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Orbit and Ephemeris Information for Comet Hale-Bopp (1995 O1)

Don Yeomans - JPL

March 4, 1997


Additional observations through March 3, 1997 have been used to
update the orbit, ephemeris, and error analysis.


ORBIT UPDATE
Object: Comet Hale-Bopp (1995 O1)
JPL Ref. Solution: 55
Planetary Ephemeris: DE403
No. Observations: 1892
Observation Arc: 1993 Apr 27 - 1997 Mar 3

---- Residual Summary ---- RA Dec Total
Mean -.017 .025 .030
RMS, unweighted .718 .949 .841

---- Corrected Elements (J2000): Solution 55
Epoch 2450571.50000 = 1997 May 3.0
Post-Fit Std.Dev.
e 0.995103273 0.000000929
q 0.914117707 0.000001540
Tp 2450539.6384314 0.0001091 1997 Apr 1.13843
Node 282.4708087 0.0000059
w 130.5909555 0.0000856
i 89.42965142 0.0000255


ORBITAL ELEMENTS FOR COMET HALE-BOPP (1995 O1)
The following (J2000) osculating orbital elements can be used to
generate ephemeris data using two body programs. However, care must
be taken to select an orbital element set with an epoch close to
the desired ephemeris output times.


Epoch (TDB) e q Node w i Tp

1997 Feb 21.0 .9950842 .9141189 282.47067 130.59078 89.42978 1997 Apr 1.13838
1997 Mar 13.0 .9950903 .9141179 282.47069 130.59086 89.42978 1997 Apr 1.13836
1997 Apr 2.0 .9950967 .9141178 282.47076 130.59092 89.42975 1997 Apr 1.13838
1997 May 2.0 .9951032 .9141177 282.47081 130.59096 89.42965 1997 Apr 1.13843
1997 Sep 29.0 .9950761 .9140385 282.46927 130.58588 89.42837 1997 Apr 1.13737

e: Eccentricity
q: Perihelion passage distance (AU)
Node: Longitude of the ascending node (deg.)
w: Argument of perihelion (deg.)
i: Inclination (deg.)
Tp: Perihelion passage time (TDB)


ORIGINAL AND FUTURE ORBITAL PERIODS
By integrating the above orbit forward and backward in time until the comet
leaves the planetary system and then referring the osculating orbital elements
to the solar system barycenter, the following orbital periods result:

Original orbital period before entering planetary system = 4200 years
Future orbital period after exiting planetary system = 2400 years

The difference between the inbound and outbound orbital periods is due
primarily to an approach to Jupiter (0.77 AU) in April 1996


EPHEMERIS UNCERTAINTIES
Absolute (inertial) plane-of-sky ephemeris uncertainties (1-sigma)
over this interval are as follows:

1997 Feb. < 1"
1997 Mar. < 2"
1997 Apr. < 2"
1997 Aug. < 3"


EPHEMERIS (WITH PERTURBATIONS) FOR COMET HALE-BOPP (1995 O1)
JPL Ref. Orbit 55 by D.K. Yeomans, Mar. 4, 1997
Ephemeris data at 1 day steps (O hours UTC)

Date (UT) R.A. J2000 Dec. Delta Deldot r Theta Beta Moon PsAng PsAMV TMag
1997 Mar 1 21 21 58.51 +33 17 10.4 1.489 -25.61 1.067 45.7 41.7 96 329.5 231.3 .7
1997 Mar 2 21 27 35.30 +34 02 47.6 1.474 -24.79 1.059 45.9 42.2 88 330.3 232.7 .6
1997 Mar 3 21 33 24.71 +34 48 23.2 1.460 -23.93 1.050 46.0 42.7 80 331.1 234.1 .6
1997 Mar 4 21 39 27.23 +35 33 50.0 1.447 -23.03 1.042 46.0 43.3 72 331.9 235.6 .5
1997 Mar 5 21 45 43.35 +36 19 00.2 1.434 -22.08 1.033 46.1 43.8 64 332.9 237.1 .5
1997 Mar 6 21 52 13.52 +37 03 45.5 1.421 -21.09 1.025 46.2 44.3 57 333.9 238.7 .4
1997 Mar 7 21 58 58.18 +37 47 56.4 1.409 -20.06 1.018 46.2 44.7 51 335.0 240.3 .4
1997 Mar 8 22 05 57.67 +38 31 23.2 1.398 -18.99 1.010 46.2 45.2 47 336.2 241.9 .4
1997 Mar 9 22 13 12.31 +39 13 55.2 1.387 -17.88 1.003 46.2 45.7 45 337.5 243.6 .3
1997 Mar 10 22 20 42.32 +39 55 21.1 1.378 -16.73 .996 46.2 46.1 46 338.8 245.4 .3
1997 Mar 11 22 28 27.81 +40 35 29.3 1.368 -15.54 .989 46.2 46.5 50 340.2 247.2 .2
1997 Mar 12 22 36 28.80 +41 14 07.4 1.360 -14.31 .982 46.2 46.9 55 341.8 249.1 .2
1997 Mar 13 22 44 45.16 +41 51 03.0 1.352 -13.06 .976 46.1 47.2 62 343.4 251.0 .2
1997 Mar 14 22 53 16.60 +42 26 03.1 1.344 -11.77 .970 46.0 47.6 69 345.1 253.0 .1
1997 Mar 15 23 02 02.69 +42 58 55.2 1.338 -10.45 .964 46.0 47.9 76 346.8 255.1 .1
1997 Mar 16 23 11 02.78 +43 29 26.6 1.332 -9.10 .959 45.9 48.1 83 348.7 257.1 .1
1997 Mar 17 23 20 16.06 +43 57 25.1 1.328 -7.74 .953 45.7 48.4 90 350.6 259.3 .1
1997 Mar 18 23 29 41.50 +44 22 39.2 1.323 -6.36 .949 45.6 48.6 97 352.6 261.5 .0
1997 Mar 19 23 39 17.88 +44 44 58.2 1.320 -4.96 .944 45.5 48.8 104 354.7 263.7 .0
1997 Mar 20 23 49 03.77 +45 04 12.5 1.318 -3.55 .940 45.3 48.9 110 356.8 266.0 .0
1997 Mar 21 23 58 57.57 +45 20 13.8 1.316 -2.14 .936 45.2 49.0 117 359.0 268.3 .0
1997 Mar 22 00 08 57.53 +45 32 55.4 1.315 -.72 .932 45.0 49.1 123 1.3 270.6 .0
1997 Mar 23 00 19 01.77 +45 42 12.1 1.315 .70 .929 44.8 49.1 129 3.6 273.0 .0
1997 Mar 24 00 29 08.31 +45 48 00.7 1.316 2.11 .926 44.6 49.1 134 5.9 275.4 -.1
1997 Mar 25 00 39 15.11 +45 50 19.9 1.318 3.50 .923 44.4 49.1 138 8.2 277.7 -.1
1997 Mar 26 00 49 20.15 +45 49 10.1 1.320 4.89 .921 44.1 49.0 140 10.6 280.1 -.1
1997 Mar 27 00 59 21.42 +45 44 34.0 1.323 6.25 .919 43.9 48.9 141 13.0 282.5 -.1
1997 Mar 28 01 09 16.98 +45 36 35.6 1.327 7.60 .917 43.7 48.7 138 15.3 284.8 -.1
1997 Mar 29 01 19 05.04 +45 25 21.1 1.332 8.92 .916 43.4 48.5 134 17.7 287.1 -.1
1997 Mar 30 01 28 43.92 +45 10 57.8 1.338 10.20 .915 43.1 48.3 128 20.0 289.4 -.1
1997 Mar 31 01 38 12.12 +44 53 34.6 1.344 11.46 .914 42.9 48.0 120 22.3 291.7 .0
1997 Apr 1 01 47 28.35 +44 33 21.4 1.351 12.68 .914 42.6 47.7 111 24.6 293.9 .0
1997 Apr 2 01 56 31.49 +44 10 28.9 1.359 13.86 .914 42.3 47.4 101 26.9 296.1 .0
1997 Apr 3 02 05 20.64 +43 45 08.5 1.367 15.01 .915 42.0 47.0 91 29.1 298.2 .0
1997 Apr 4 02 13 55.10 +43 17 31.9 1.376 16.11 .916 41.7 46.6 80 31.3 300.3 .0
1997 Apr 5 02 22 14.34 +42 47 51.2 1.385 17.16 .917 41.4 46.2 69 33.4 302.3 .0
1997 Apr 6 02 30 18.03 +42 16 18.2 1.396 18.17 .918 41.1 45.7 57 35.5 304.2 .0
1997 Apr 7 02 38 06.00 +41 43 04.8 1.406 19.14 .920 40.7 45.2 46 37.6 306.1 .1
1997 Apr 8 02 45 38.20 +41 08 22.5 1.418 20.05 .922 40.4 44.7 37 39.5 308.0 .1
1997 Apr 9 02 52 54.73 +40 32 22.2 1.430 20.92 .925 40.1 44.2 29 41.5 309.8 .1
1997 Apr 10 02 59 55.78 +39 55 14.6 1.442 21.75 .928 39.7 43.6 26 43.4 311.5 .2
1997 Apr 11 03 06 41.64 +39 17 09.5 1.455 22.53 .931 39.4 43.1 29 45.3 313.2 .2
1997 Apr 12 03 13 12.67 +38 38 16.4 1.468 23.26 .935 39.0 42.5 35 47.1 314.8 .2
1997 Apr 13 03 19 29.29 +37 58 43.8 1.482 23.94 .938 38.7 41.9 43 48.9 316.4 .2
1997 Apr 14 03 25 31.96 +37 18 39.9 1.496 24.58 .943 38.3 41.3 52 50.6 317.9 .3
1997 Apr 15 03 31 21.17 +36 38 12.0 1.510 25.18 .947 37.9 40.6 62 52.3 319.3 .3
1997 Apr 16 03 36 57.43 +35 57 26.8 1.525 25.73 .952 37.6 40.0 72 53.9 320.8 .4
1997 Apr 17 03 42 21.28 +35 16 30.4 1.540 26.24 .957 37.2 39.4 82 55.6 322.1 .4
1997 Apr 18 03 47 33.25 +34 35 28.4 1.555 26.71 .962 36.8 38.7 92 57.2 323.5 .4
1997 Apr 19 03 52 33.87 +33 54 25.7 1.571 27.14 .968 36.4 38.0 102 58.7 324.8 .5
1997 Apr 20 03 57 23.66 +33 13 26.6 1.586 27.54 .974 36.1 37.4 113 60.3 326.0 .5
1997 Apr 21 04 02 03.15 +32 32 35.1 1.602 27.89 .980 35.7 36.7 124 61.8 327.2 .6
1997 Apr 22 04 06 32.83 +31 51 54.7 1.619 28.21 .987 35.3 36.0 135 63.3 328.4 .6
1997 Apr 23 04 10 53.19 +31 11 28.3 1.635 28.50 .994 34.9 35.4 146 64.8 329.5 .6
1997 Apr 24 04 15 04.70 +30 31 18.6 1.651 28.75 1.001 34.5 34.7 156 66.2 330.6 .7
1997 Apr 25 04 19 07.82 +29 51 27.7 1.668 28.98 1.008 34.1 34.0 165 67.7 331.6 .7
1997 Apr 26 04 23 02.98 +29 11 57.7 1.685 29.17 1.015 33.7 33.4 167 69.1 332.6 .8
1997 Apr 27 04 26 50.59 +28 32 50.1 1.702 29.33 1.023 33.3 32.7 159 70.5 333.6 .8
1997 Apr 28 04 30 31.06 +27 54 06.3 1.719 29.47 1.031 32.9 32.1 148 71.9 334.6 .9
1997 Apr 29 04 34 04.75 +27 15 47.4 1.736 29.58 1.039 32.5 31.4 136 73.3 335.5 .9
1997 Apr 30 04 37 32.03 +26 37 54.3 1.753 29.66 1.047 32.1 30.8 123 74.7 336.4 1.0
1997 May 1 04 40 53.23 +26 00 27.6 1.770 29.72 1.056 31.8 30.1 110 76.1 337.3 1.0
1997 May 2 04 44 08.68 +25 23 27.9 1.787 29.76 1.065 31.4 29.5 96 77.5 338.2 1.1
1997 May 3 04 47 18.67 +24 46 55.6 1.804 29.77 1.074 31.0 28.9 82 78.9 339.0 1.1
1997 May 4 04 50 23.48 +24 10 50.7 1.822 29.77 1.083 30.6 28.3 69 80.3 339.8 1.2
1997 May 5 04 53 23.39 +23 35 13.5 1.839 29.74 1.092 30.2 27.7 55 81.7 340.6 1.2
1997 May 6 04 56 18.66 +23 00 03.9 1.856 29.70 1.102 29.8 27.1 41 83.1 341.3 1.3
1997 May 7 04 59 09.50 +22 25 21.7 1.873 29.64 1.111 29.4 26.5 28 84.5 342.0 1.3
1997 May 8 05 01 56.16 +21 51 06.8 1.890 29.56 1.121 29.1 25.9 15 85.9 342.8 1.4
1997 May 9 05 04 38.83 +21 17 18.9 1.907 29.47 1.131 28.7 25.4 4 87.3 343.5 1.4
1997 May 10 05 07 17.73 +20 43 57.6 1.924 29.37 1.141 28.3 24.8 12 88.8 344.1 1.5
1997 May 11 05 09 53.03 +20 11 02.5 1.941 29.25 1.151 28.0 24.3 23 90.2 344.8 1.5
1997 May 12 05 12 24.90 +19 38 33.2 1.958 29.12 1.161 27.6 23.8 35 91.7 345.4 1.5
1997 May 13 05 14 53.53 +19 06 29.2 1.975 28.97 1.172 27.3 23.3 47 93.2 346.0 1.6
1997 May 14 05 17 19.06 +18 34 50.1 1.992 28.82 1.182 26.9 22.8 58 94.6 346.6 1.6
1997 May 15 05 19 41.65 +18 03 35.2 2.008 28.66 1.193 26.6 22.3 70 96.2 347.2 1.7
1997 May 16 05 22 01.43 +17 32 44.1 2.025 28.49 1.204 26.3 21.8 81 97.7 347.8 1.7
1997 May 17 05 24 18.54 +17 02 16.1 2.041 28.31 1.215 25.9 21.3 92 99.2 348.4 1.8
1997 May 18 05 26 33.10 +16 32 10.7 2.057 28.12 1.226 25.6 20.9 104 100.8 348.9 1.8
1997 May 19 05 28 45.24 +16 02 27.3 2.073 27.92 1.237 25.3 20.5 116 102.4 349.4 1.9
1997 May 20 05 30 55.05 +15 33 05.3 2.090 27.72 1.248 25.0 20.0 128 104.0 350.0 1.9
1997 May 21 05 33 02.66 +15 04 04.2 2.106 27.51 1.259 24.7 19.6 140 105.6 350.5 2.0
1997 May 22 05 35 08.15 +14 35 23.2 2.121 27.30 1.271 24.4 19.2 152 107.2 350.9 2.0
1997 May 23 05 37 11.63 +14 07 01.9 2.137 27.08 1.282 24.2 18.9 165 108.9 351.4 2.1
1997 May 24 05 39 13.18 +13 38 59.5 2.153 26.85 1.294 23.9 18.5 175 110.6 351.9 2.1
1997 May 25 05 41 12.90 +13 11 15.6 2.168 26.62 1.305 23.7 18.1 167 112.3 352.3 2.1
1997 May 26 05 43 10.86 +12 43 49.6 2.183 26.39 1.317 23.4 17.8 154 114.0 352.8 2.2
1997 May 27 05 45 07.13 +12 16 40.8 2.199 26.15 1.329 23.2 17.5 141 115.8 353.2 2.2
1997 May 28 05 47 01.80 +11 49 48.6 2.214 25.90 1.340 23.0 17.2 127 117.5 353.6 2.3
1997 May 29 05 48 54.92 +11 23 12.6 2.228 25.65 1.352 22.8 16.9 114 119.3 354.1 2.3
1997 May 30 05 50 46.57 +10 56 52.1 2.243 25.40 1.364 22.6 16.6 100 121.1 354.5 2.4
1997 May 31 05 52 36.80 +10 30 46.6 2.258 25.15 1.376 22.4 16.3 86 123.0 354.9 2.4
1997 Jun 1 05 54 25.66 +10 04 55.4 2.272 24.89 1.388 22.3 16.1 73 124.8 355.2 2.5
1997 Jun 2 05 56 13.22 +09 39 18.2 2.287 24.62 1.400 22.1 15.8 60 126.7 355.6 2.5
1997 Jun 3 05 57 59.51 +09 13 54.3 2.301 24.36 1.412 22.0 15.6 46 128.6 356.0 2.5
1997 Jun 4 05 59 44.59 +08 48 43.2 2.315 24.09 1.424 21.9 15.4 34 130.5 356.4 2.6
1997 Jun 5 06 01 28.49 +08 23 44.5 2.329 23.82 1.437 21.8 15.2 22 132.4 356.7 2.6
1997 Jun 6 06 03 11.26 +07 58 57.5 2.342 23.55 1.449 21.7 15.0 12 134.3 357.1 2.7
1997 Jun 7 06 04 52.93 +07 34 21.9 2.356 23.28 1.461 21.6 14.8 12 136.2 357.4 2.7
1997 Jun 8 06 06 33.54 +07 09 57.1 2.369 23.01 1.473 21.6 14.7 21 138.2 357.7 2.7
1997 Jun 9 06 08 13.12 +06 45 42.6 2.382 22.73 1.486 21.6 14.5 32 140.1 358.0 2.8
1997 Jun 10 06 09 51.72 +06 21 38.1 2.395 22.46 1.498 21.5 14.4 43 142.0 358.4 2.8
1997 Jun 11 06 11 29.34 +05 57 43.1 2.408 22.18 1.510 21.5 14.3 54 144.0 358.7 2.9
1997 Jun 12 06 13 06.04 +05 33 57.1 2.421 21.91 1.523 21.6 14.2 65 145.9 359.0 2.9
1997 Jun 13 06 14 41.83 +05 10 19.8 2.434 21.63 1.535 21.6 14.1 77 147.8 359.3 2.9
1997 Jun 14 06 16 16.74 +04 46 50.7 2.446 21.36 1.548 21.6 14.0 88 149.8 359.6 3.0
1997 Jun 15 06 17 50.80 +04 23 29.5 2.458 21.08 1.560 21.7 13.9 99 151.7 359.8 3.0
1997 Jun 16 06 19 24.02 +04 00 15.7 2.470 20.81 1.573 21.8 13.9 111 153.6 .1 3.0
1997 Jun 17 06 20 56.45 +03 37 09.0 2.482 20.54 1.585 21.9 13.8 122 155.4 .4 3.1
1997 Jun 18 06 22 28.08 +03 14 08.9 2.494 20.27 1.598 22.0 13.8 134 157.3 .7 3.1
1997 Jun 19 06 23 58.96 +02 51 15.3 2.506 20.00 1.610 22.1 13.7 145 159.2 .9 3.1
1997 Jun 20 06 25 29.10 +02 28 27.6 2.517 19.73 1.623 22.3 13.7 156 161.0 1.2 3.2
1997 Jun 21 06 26 58.51 +02 05 45.6 2.528 19.46 1.635 22.4 13.7 163 162.8 1.4 3.2
1997 Jun 22 06 28 27.22 +01 43 09.0 2.540 19.19 1.648 22.6 13.7 161 164.6 1.7 3.3
1997 Jun 23 06 29 55.25 +01 20 37.3 2.551 18.92 1.661 22.8 13.7 151 166.3 1.9 3.3
1997 Jun 24 06 31 22.62 +00 58 10.4 2.561 18.66 1.673 23.0 13.7 139 168.1 2.2 3.3
1997 Jun 25 06 32 49.33 +00 35 47.8 2.572 18.39 1.686 23.2 13.7 126 169.8 2.4 3.4
1997 Jun 26 06 34 15.41 +00 13 29.3 2.583 18.13 1.699 23.4 13.8 113 171.5 2.6 3.4
1997 Jun 27 06 35 40.87 -00 08 45.5 2.593 17.86 1.711 23.7 13.8 100 173.1 2.9 3.4
1997 Jun 28 06 37 05.73 -00 30 56.8 2.603 17.60 1.724 23.9 13.8 87 174.7 3.1 3.5
1997 Jun 29 06 38 29.98 -00 53 05.0 2.613 17.34 1.737 24.2 13.9 74 176.3 3.3 3.5
1997 Jun 30 06 39 53.65 -01 15 10.3 2.623 17.07 1.749 24.5 13.9 62 177.9 3.5 3.5
1997 Jul 1 06 41 16.74 -01 37 12.9 2.633 16.81 1.762 24.7 14.0 50 179.4 3.7 3.5
1997 Jul 2 06 42 39.27 -01 59 13.2 2.643 16.55 1.775 25.0 14.0 39 180.9 3.9 3.6
1997 Jul 3 06 44 01.23 -02 21 11.5 2.652 16.30 1.787 25.3 14.1 29 182.4 4.1 3.6
1997 Jul 4 06 45 22.63 -02 43 07.9 2.662 16.04 1.800 25.7 14.2 23 183.9 4.3 3.6
1997 Jul 5 06 46 43.49 -03 05 02.7 2.671 15.79 1.813 26.0 14.2 22 185.3 4.5 3.7
1997 Jul 6 06 48 03.80 -03 26 56.1 2.680 15.53 1.825 26.3 14.3 26 186.7 4.7 3.7
1997 Jul 7 06 49 23.57 -03 48 48.4 2.689 15.28 1.838 26.7 14.4 34 188.0 4.9 3.7
1997 Jul 8 06 50 42.81 -04 10 39.8 2.697 15.04 1.851 27.0 14.5 44 189.4 5.1 3.8
1997 Jul 9 06 52 01.51 -04 32 30.5 2.706 14.79 1.863 27.4 14.5 54 190.7 5.3 3.8
1997 Jul 10 06 53 19.69 -04 54 20.6 2.715 14.55 1.876 27.8 14.6 64 192.0 5.5 3.8
1997 Jul 11 06 54 37.35 -05 16 10.5 2.723 14.31 1.889 28.2 14.7 75 193.2 5.6 3.8
1997 Jul 12 06 55 54.49 -05 38 00.2 2.731 14.07 1.901 28.6 14.8 85 194.4 5.8 3.9
1997 Jul 13 06 57 11.11 -05 59 49.9 2.739 13.84 1.914 28.9 14.9 96 195.6 6.0 3.9
1997 Jul 14 06 58 27.22 -06 21 39.9 2.747 13.61 1.927 29.4 15.0 107 196.8 6.2 3.9
1997 Jul 15 06 59 42.83 -06 43 30.3 2.755 13.38 1.939 29.8 15.1 118 198.0 6.3 4.0
1997 Jul 16 07 00 57.93 -07 05 21.2 2.763 13.15 1.952 30.2 15.2 128 199.1 6.5 4.0
1997 Jul 17 07 02 12.52 -07 27 12.9 2.770 12.93 1.965 30.6 15.3 139 200.2 6.6 4.0
1997 Jul 18 07 03 26.62 -07 49 05.4 2.777 12.71 1.977 31.0 15.4 148 201.3 6.8 4.0
1997 Jul 19 07 04 40.22 -08 10 59.0 2.785 12.50 1.990 31.5 15.5 153 202.4 7.0 4.1
1997 Jul 20 07 05 53.33 -08 32 53.7 2.792 12.28 2.002 31.9 15.6 153 203.4 7.1 4.1
1997 Jul 21 07 07 05.95 -08 54 49.8 2.799 12.07 2.015 32.3 15.6 146 204.4 7.3 4.1
1997 Jul 22 07 08 18.09 -09 16 47.4 2.806 11.86 2.028 32.8 15.7 136 205.4 7.4 4.1
1997 Jul 23 07 09 29.74 -09 38 46.6 2.813 11.66 2.040 33.2 15.8 124 206.4 7.6 4.2
1997 Jul 24 07 10 40.90 -10 00 47.6 2.819 11.45 2.053 33.7 15.9 112 207.4 7.7 4.2
1997 Jul 25 07 11 51.59 -10 22 50.5 2.826 11.25 2.065 34.1 16.0 99 208.3 7.8 4.2
1997 Jul 26 07 13 01.79 -10 44 55.4 2.832 11.05 2.078 34.6 16.1 87 209.3 8.0 4.2
1997 Jul 27 07 14 11.51 -11 07 02.6 2.839 10.86 2.091 35.1 16.2 75 210.2 8.1 4.3
1997 Jul 28 07 15 20.74 -11 29 12.1 2.845 10.66 2.103 35.5 16.3 64 211.1 8.3 4.3
1997 Jul 29 07 16 29.49 -11 51 24.1 2.851 10.47 2.116 36.0 16.4 54 212.0 8.4 4.3
1997 Jul 30 07 17 37.74 -12 13 38.6 2.857 10.28 2.128 36.5 16.5 44 212.9 8.5 4.3
1997 Jul 31 07 18 45.50 -12 35 55.8 2.863 10.10 2.141 37.0 16.6 37 213.7 8.7 4.4
1997 Aug 1 07 19 52.76 -12 58 15.8 2.869 9.91 2.153 37.5 16.7 32 214.6 8.8 4.4
1997 Aug 2 07 20 59.52 -13 20 38.7 2.874 9.74 2.166 38.0 16.7 31 215.4 8.9 4.4
1997 Aug 3 07 22 05.77 -13 43 04.6 2.880 9.56 2.178 38.4 16.8 34 216.2 9.1 4.4
1997 Aug 4 07 23 11.51 -14 05 33.6 2.885 9.39 2.191 38.9 16.9 40 217.1 9.2 4.5
1997 Aug 5 07 24 16.73 -14 28 05.7 2.891 9.22 2.203 39.4 17.0 47 217.9 9.3 4.5
1997 Aug 6 07 25 21.44 -14 50 41.0 2.896 9.05 2.216 39.9 17.1 56 218.7 9.4 4.5
1997 Aug 7 07 26 25.61 -15 13 19.6 2.901 8.89 2.228 40.4 17.2 65 219.4 9.5 4.5
1997 Aug 8 07 27 29.26 -15 36 01.6 2.906 8.73 2.241 40.9 17.2 75 220.2 9.7 4.5
1997 Aug 9 07 28 32.37 -15 58 47.0 2.911 8.58 2.253 41.4 17.3 84 221.0 9.8 4.6
1997 Aug 10 07 29 34.94 -16 21 35.8 2.916 8.43 2.266 41.9 17.4 94 221.7 9.9 4.6
1997 Aug 11 07 30 36.97 -16 44 28.1 2.921 8.29 2.278 42.4 17.5 104 222.5 10.0 4.6
1997 Aug 12 07 31 38.44 -17 07 24.0 2.926 8.14 2.290 42.9 17.5 114 223.2 10.1 4.6
1997 Aug 13 07 32 39.36 -17 30 23.5 2.930 8.01 2.303 43.5 17.6 123 223.9 10.2 4.7
1997 Aug 14 07 33 39.72 -17 53 26.6 2.935 7.87 2.315 44.0 17.7 132 224.7 10.4 4.7
1997 Aug 15 07 34 39.51 -18 16 33.4 2.939 7.74 2.328 44.5 17.8 139 225.4 10.5 4.7
1997 Aug 16 07 35 38.74 -18 39 43.9 2.944 7.62 2.340 45.0 17.8 144 226.1 10.6 4.7
1997 Aug 17 07 36 37.39 -19 02 58.1 2.948 7.50 2.352 45.5 17.9 144 226.8 10.7 4.7
1997 Aug 18 07 37 35.46 -19 26 16.0 2.953 7.38 2.365 46.0 17.9 139 227.5 10.8 4.8
1997 Aug 19 07 38 32.95 -19 49 37.8 2.957 7.26 2.377 46.5 18.0 131 228.2 10.9 4.8
1997 Aug 20 07 39 29.85 -20 13 03.3 2.961 7.15 2.389 47.1 18.1 121 228.9 11.0 4.8
1997 Aug 21 07 40 26.15 -20 36 32.7 2.965 7.05 2.402 47.6 18.1 110 229.6 11.1 4.8
1997 Aug 22 07 41 21.86 -21 00 06.1 2.969 6.94 2.414 48.1 18.2 98 230.2 11.2 4.8
1997 Aug 23 07 42 16.95 -21 23 43.3 2.973 6.84 2.426 48.6 18.2 87 230.9 11.3 4.9
1997 Aug 24 07 43 11.43 -21 47 24.5 2.977 6.74 2.439 49.1 18.3 77 231.6 11.4 4.9
1997 Aug 25 07 44 05.27 -22 11 09.7 2.981 6.65 2.451 49.7 18.3 67 232.3 11.5 4.9
1997 Aug 26 07 44 58.48 -22 34 58.8 2.985 6.56 2.463 50.2 18.4 58 232.9 11.6 4.9
1997 Aug 27 07 45 51.05 -22 58 51.9 2.988 6.47 2.475 50.7 18.4 50 233.6 11.7 4.9
1997 Aug 28 07 46 42.95 -23 22 49.0 2.992 6.39 2.487 51.2 18.5 45 234.2 11.8 4.9
1997 Aug 29 07 47 34.18 -23 46 50.0 2.996 6.31 2.500 51.7 18.5 41 234.9 11.9 5.0
1997 Aug 30 07 48 24.73 -24 10 55.0 2.999 6.23 2.512 52.3 18.5 41 235.6 12.0 5.0
1997 Aug 31 07 49 14.58 -24 35 03.9 3.003 6.16 2.524 52.8 18.6 43 236.2 12.1 5.0
1997 Sep 1 07 50 03.73 -24 59 16.7 3.007 6.09 2.536 53.3 18.6 47 236.9 12.2 5.0
1997 Sep 2 07 50 52.15 -25 23 33.3 3.010 6.03 2.548 53.8 18.6 53 237.5 12.3 5.0
1997 Sep 3 07 51 39.85 -25 47 53.7 3.014 5.97 2.560 54.4 18.7 60 238.2 12.4 5.1
1997 Sep 4 07 52 26.80 -26 12 17.8 3.017 5.92 2.573 54.9 18.7 68 238.8 12.5 5.1
1997 Sep 5 07 53 12.99 -26 36 45.6 3.020 5.87 2.585 55.4 18.7 76 239.5 12.6 5.1
1997 Sep 6 07 53 58.41 -27 01 17.0 3.024 5.82 2.597 55.9 18.8 85 240.1 12.7 5.1
1997 Sep 7 07 54 43.04 -27 25 52.0 3.027 5.78 2.609 56.4 18.8 93 240.8 12.8 5.1
1997 Sep 8 07 55 26.87 -27 50 30.4 3.030 5.75 2.621 57.0 18.8 102 241.4 12.9 5.1
1997 Sep 9 07 56 09.90 -28 15 12.2 3.034 5.71 2.633 57.5 18.8 110 242.1 13.0 5.2
1997 Sep 10 07 56 52.09 -28 39 57.3 3.037 5.69 2.645 58.0 18.8 118 242.7 13.1 5.2
1997 Sep 11 07 57 33.45 -29 04 45.6 3.040 5.66 2.657 58.5 18.9 125 243.4 13.2 5.2
1997 Sep 12 07 58 13.96 -29 29 36.9 3.044 5.64 2.669 59.0 18.9 130 244.0 13.3 5.2
1997 Sep 13 07 58 53.60 -29 54 31.3 3.047 5.63 2.681 59.6 18.9 134 244.7 13.4 5.2
1997 Sep 14 07 59 32.36 -30 19 28.6 3.050 5.62 2.693 60.1 18.9 134 245.3 13.5 5.2
1997 Sep 15 08 00 10.22 -30 44 28.7 3.053 5.61 2.705 60.6 18.9 130 246.0 13.6 5.3
1997 Sep 16 08 00 47.18 -31 09 31.5 3.057 5.61 2.717 61.1 18.9 124 246.6 13.7 5.3
1997 Sep 17 08 01 23.22 -31 34 37.0 3.060 5.61 2.729 61.6 18.9 116 247.3 13.7 5.3
1997 Sep 18 08 01 58.31 -31 59 44.9 3.063 5.62 2.741 62.1 18.9 107 248.0 13.8 5.3
1997 Sep 19 08 02 32.45 -32 24 55.3 3.066 5.63 2.753 62.6 18.9 97 248.6 13.9 5.3
1997 Sep 20 08 03 05.62 -32 50 08.0 3.070 5.64 2.765 63.1 18.9 88 249.3 14.0 5.3
1997 Sep 21 08 03 37.79 -33 15 22.9 3.073 5.66 2.777 63.6 18.9 79 250.0 14.1 5.4
1997 Sep 22 08 04 08.95 -33 40 39.9 3.076 5.68 2.789 64.1 18.9 71 250.6 14.2 5.4
1997 Sep 23 08 04 39.07 -34 05 58.9 3.079 5.70 2.801 64.6 18.9 64 251.3 14.3 5.4
1997 Sep 24 08 05 08.14 -34 31 19.6 3.083 5.73 2.812 65.1 18.9 58 252.0 14.4 5.4
1997 Sep 25 08 05 36.13 -34 56 42.1 3.086 5.76 2.824 65.6 18.9 54 252.7 14.5 5.4
1997 Sep 26 08 06 03.01 -35 22 06.0 3.089 5.80 2.836 66.1 18.9 51 253.4 14.6 5.4
1997 Sep 27 08 06 28.77 -35 47 31.3 3.093 5.83 2.848 66.6 18.9 51 254.1 14.7 5.5
1997 Sep 28 08 06 53.38 -36 12 57.7 3.096 5.88 2.860 67.1 18.8 53 254.8 14.8 5.5
1997 Sep 29 08 07 16.81 -36 38 25.1 3.099 5.92 2.872 67.6 18.8 56 255.5 14.9 5.5
1997 Sep 30 08 07 39.04 -37 03 53.3 3.103 5.98 2.883 68.1 18.8 61 256.2 15.0 5.5
1997 Oct 1 08 08 00.04 -37 29 22.0 3.106 6.03 2.895 68.6 18.8 66 256.9 15.1 5.5




R.A. J2000 Dec. = Geocentric astrometric right ascension and declination
referred to the mean equator and equinox of J2000. Light time corrections have been applied

Delta = Geocentric distance of object in AU

Deldot = Geocentric radial velocity of object in km/s

r = Heliocentric distance of object in AU

Theta = Sun-Earth-Object angle in degrees

Beta = Sun-Object-Earth angle in degrees

Moon = Object-Earth-Moon angle in degrees

PsAng = Position angle of extended radius vector in degrees

PsAMV = Position angle of minus velocity vector in degrees

TMag = Total magnitude = -.4 + 5.00*log(Delta) + 7.50*log(r)