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Gmail - MPEC Q25: 2009 QN5 [a=3.25,e=0.88,i=15.9,H=19.0] [22298-...

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Mark T rueblood

MPEC m ailing list To: winer.obs@gmail.com M.P.E.C. 2009-Q25

Wed, Aug 19, 2009 at 5: 04 AM

Issued 2009 Aug. 19, 10:26 UT

The Minor Planet Electronic Circulars contain information on unusual minor planets and routine data on comets. They are published on behalf of Commission 20 of the International Astronomical Union by the Minor Planet Center, Smithsonian Astrophysical Observatory, Cambridge, MA 02138, U.S.A. Prepared using the Tamkin Foundation Computer Network MPC@CFA.HARVARD.EDU URL http://www.cfa.harvard.edu/iau/mpc.html ISSN 1523-6714

2009 QN5 Obs K K K K K K K K K K K K K K K K K K K K ervations: 09Q05N* C2009 09Q05N C2009 09Q05N C2009 09Q05N C2009 09Q05N C2009 09Q05N C2009 09Q05N C2009 09Q05N C2009 09Q05N C2009 09Q05N C2009 09Q05N C2009 09Q05N C2009 09Q05N C2009 09Q05N C2009 09Q05N C2009 09Q05N C2009 09Q05N C2009 09Q05N C2009 09Q05N C2009 09Q05N C2009

08 08 08 08 08 08 08 08 08 08 08 08 08 08 08 08 08 08 08 08

18.36442 18.37108 18.37770 18.38417 18.41715 18.42462 18.43223 18.43992 18.47365 18.47554 18.47743 18.47934 18.92043 18.92885 18.93354 18.93871 18.93934 18.94655 18.95751 18.97695

00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00

58 58 58 58 58 58 58 58 58 58 58 58 59 59 59 59 59 59 59 59

04.00 04.83 05.84 06.56 11.10 12.03 13.00 14.01 18.66 18.76 19.02 19.27 22.85 23.99 24.82 25.61 25.64 26.73 28.27 30.92

+16 + 16 + 16 + 16 + 16 + 16 + 16 + 16 + 16 + 16 + 16 + 16 + 17 + 17 + 17 + 17 + 17 + 17 + 17 + 17

40 40 41 41 43 43 44 44 46 46 46 46 10 10 11 11 11 11 12 13

31.4 53.8 13.2 34.0 18.7 43.6 08.5 32.2 20.8 26.6 32.3 38.8 29.7 58.3 13.6 30.7 33.1 56.8 33.3 38.1

19.8 19.3 20.3 20.2 19.8 19.8 19.9 19.9 19.2 20.2 19.5 19.6 19.1 19.1 19.7 19.5 19.8 19.5 19.7 18.9

V V V V V V V V V V V V R R V R V R R V

EQ025703 EQ025703 EQ025703 EQ025703 EQ025703 EQ025703 EQ025703 EQ025703 EQ025703 EQ025703 EQ025703 EQ025703 EQ025A79 EQ025A79 EQ025151 EQ025B04 EQ025151 EQ025B04 EQ025B04 EQ025198

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K K K K K K K K K K K K K K K K K K K K

09 09 09 09 09 09 09 09 09 09 09 09 09 09 09 09 09 09 09 09

Q0 Q0 Q0 Q0 Q0 Q0 Q0 Q0 Q0 Q0 Q0 Q0 Q0 Q0 Q0 Q0 Q0 Q0 Q0 Q0

5N 5N 5N 5N 5N 5N 5N 5N 5N 5N 5N 5N 5N 5N 5N 5N 5N 5N 5N 5N

C2009 C2009 C2009 C2009 C2009 C2009 C2009 C2009 C2009 ]C2009 3C2009 3C2009 3C2009 3C2009 3C2009 3C2009 3C2009 3C2009 ]C2009 ]C2009

08 08 08 08 08 08 08 08 08 08 08 08 08 08 08 08 08 08 08 08

18.97811 00 18.98134 00 18.98241 00 19.08653 00 19.09054 00 19.09475 00 19.17123 00 19.17359 00 19.17596 01 19.31023601 19.31201 01 19.31412 01 19.31659 01 19.31842 01 19.32030 01 19.32213 01 19.32397 01 19.32667 01 19.36890501 19.38464401

59 59 59 59 59 59 59 59 00 00 00 00 00 00 00 00 00 00 00 00

31.11 31.55 31.69 46.41 47.00 47.62 59.54 59.79 00.13 19.67 20.03 20.36 20.70 20.97 21.31 21.56 21.76 22.11 28.05 30.31

+ 17 + 17 + 17 + 17 + 17 + 17 + 17 + 17 + 17 +17 +17 +17 +17 +17 +17 +17 +17 +17 +17 +17

13 13 13 19 19 20 24 24 24 32 32 32 32 32 32 33 33 33 35 36

42.0 52.4 55.7 42.6 56.0 10.4 26.3 34.0 41.7 20.9 25.3 32.4 40.4 47.0 55.4 01.0 05.3 14.6 40.7 33.9

19.3 V EQ025198 18.9 V EQ025198 19.2 V EQ025198 EQ025J95 EQ025J95 19.3 R EQ025J95 19.4 R EQ025H26 19.1 R EQ025H26 19.3 R EQ025H26 19.9 C EQ025695 18.3 R EQ025673 18.6 R EQ025673 18.4 R EQ025673 17.4 R EQ025673 18.5 R EQ025673 17.3 R EQ025673 18.4 R EQ025673 18.7 R EQ025673 19.9 C EQ025695 19.7 C EQ025695

Observer details: 151 Eschenberg Observatory, W interthur. Observer M. Griesser. 0.40-m f/5.9 Hypergraph + CCD. 198 W ildberg. Observer R. Apitzsch. 0.35-m f/4.2 reflector + CCD. 673 Table Mountain Observatory, W rightwood. Observers A. Springmann, P. W eissman. 0.60-m f/16 reflector. 695 Kitt Peak. Observers M. Trueblood, L. Lebofsky. Measurer R. Crawford. 2.1-m f/7.7 Ritchey-Chretien + CCD. 703 Catalina Sky Survey. Observer R. E. Hill. Measurers E. C. Beshore, A. Boattini, G. J. Garradd, A. R. Gibbs, A. D. Grauer, R. E. Hill, R. A. Kowalski, S. M. Larson, R. H. McNaught. 0.68-m Schmidt + CCD. A79 Zvezdno Obshtestvo Observatory, Plana. Observer F. Fratev. 0.35-m f/3.4 reflector + CCD. B04 OAVdA, Saint-Barthelemy. Observer A. Carbognani. 0.81-m f/7.9 reflector + CCD. H26 Doc Greiner Research Observatory, Janesvillle. Observer M. Mills. 0.4-m f/8 Schmidt-Cassegrain + CCD. J95 Great Shefford. Observer P. Birtwhistle. 0.40-m f/6.0 Schmidt-Cassegrain + CCD. Orbital elements: 2009 QN5 Epoch 2009 June 18.0 M 338.86236 ( n 0.16859170 Peri. a 3.2452284 Node

Earth MOID = 0.1216 AU TT = JDT 2455000.5 MPC 2000.0) P Q 135.02928 -0.27329136 -0.95215761 330.02894 +0.78754371 -0.13982743

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e 0.881466 P 5.85 Residuals in 090818 703 090818 703 090818 703 090818 703 090818 703 090818 703 090818 703 090818 703 090818 703 090818 703 090818 703 090818 703 090818 A79 090818 A79

9

Incl. H 19.0 seconds of 0.0 0.5+ 0.8- 1.6+ 1.0+ 0.21.0- 0.11.2+ 1.00.2+ 0.0 0.4- 0.5+ 0.6- 0.41.6+ 0.1+ 0.6- 0.10.4- 0.50.5- 0.10.8- 1.91.4- 1.3-

15.89003 +0.55234657 -0.27174286 G 0.15 U9 arc 090818 151 0.1+ 0.4+ 090819 H26 0.0 0.4090818 B04 0.5+ 0.0 090819 695 1.1- 0.6+ 090818 151 0.1+ 0.6+ 090819 673 0.3- 0.0 090818 B04 0.6+ 0.0 090819 673 0.1+ 0.1090818 B04 0.5+ 0.0 090819 673 0.2- 0.5090818 198 0.1- 0.6+ 090819 673 0.0 0.2090818 198 0.3+ 0.6+ 090819 673 1.0+ 1.8+ 090818 198 0.1+ 0.3+ 090819 673 0.8+ 1.1+ 090818 198 0.1- 0.0 090819 673 0.1- 0.8090819 J95 0.3- 0.0 090819 673 0.6- 0.8090819 J95 0.0 0.1- 090819 695 0.7- 0.1090819 J95 0.4+ 0.2+ 090819 695 0.3- 0.7090819 H26 1.4+ 0.2+ 090819 H26 0.1+ 0.1-

Ephemeris: 2009 QN5 a,e,i = 3.25, 0.88, 16 Date TT R. A. (2000) Decl. Delta 2009 08 17 00 55.02 +15 31.2 0.524 2009 08 22 01 07.58 +20 19.6 0.430 2009 08 27 01 26.29 +27 16.9 0.344 2009 09 01 01 59.58 +37 48.1 0.268 2009 09 06 03 16.40 +52 46.8 0.214 2009 09 11 06 35.91 +62 45.6 0.196 2009 09 16 09 39.90 +52 08.9 0.225 Timothy B. Spahr

r 1 1 1 1 1 0 0 . . . . . . .

Elon 381 305 227 147 065 981 895

q = 0.3847 g. Phase V 124.9 37.0 124.6 39.6 121.9 44.4 114.6 53.1 99.8 68.8 76.9 91.8 54.9 113.2

19.8 19.3 18.8 18.4 18.2 18.7 19.9

(C) Copyright 2009 MPC

M.P.E.C. 2009-Q25

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