... Format of the orbital elements | Estimation of the extrapolation errors | Version 1" of the orbital elements collection, determined by KIAM during flight and used for operations planning . Version 2" of the of the orbital elements collection, modified by IKI during flight and recommended for the orbital calculations during scientific data processing . ... Three kinds of the INTERBALL Auroral probe (IB_AUR) orbital elements' collections are presented here. ... IKI RAN | SSC IKI RAN | ...

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• INTERBALL Auroral probe (INTERBALL 2) post-flight orbital elements collection
• Kepler's Second Law
• Elements of Algebra

... Contents . ... Sidereal time . ... Mean longitude of the Moon, mean elements of the Moon's orbit and equator . ... Ephemeris for physical observations of the Sun . ... Ephemeris for physical observations of the Moon . ... Matrix elements for conversion to CIRS . ... Conversion of mean time to sidereal time (with accuracy 0.01 s ) . ... Conversion of sidereal time to mean time (with accuracy 0.01 s ) . ... Conversion of mean time to sidereal time (with accuracy 0.001 s and 0.0001 s ) . ...

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• AY2014 (contents)
• AY2012 (contents)
• AY2015 (contents)

... The motion of a planet around the Sun or of a scientific satellite around Earth follows different equations (though a connection exists), but in many respect it resembles that of the stone. ... Kepler's law states: . ... Illustrating Kepler's 2nd law: . ... As an example, let the drawing on the right represent the orbit of an Earth satellite, and let AB and CD be the portions of the orbit covered in 3 hours near apogee and near perigee, respectively. ... Gravity can also provide energy. ...

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• Lagrangian Points
• From Stargazers to Starships

... Abstract Determine the set of osculating conic orbital elements that corresponds to the state (position, velocity) of a body at some epoch. ... In general, the elements found by this routine can have two kinds of problems: - The elements are not accurate but still represent the input state accurately. ... One recommended "sanity check" on the outputs is to supply them to the CSPICE routine conics_c and compare the resulting state vector with the one supplied to this routine. ...

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• Index
• CSPICE Routines: CONICS_C
• CSPICE Routines: ORDD_C

... Space flight . ... On-line Data . ... a - defines the size of the orbit . ... i - defines the orientation of the orbit with respect to the Earth's equator . defines where the low point, perigee, of the orbit is with respect to the Earth's surface . ... defines where the satellite is within the orbit with respect to perigee . Info / On-line data: General description Position J-Track J-Track 3D Explanation . Info: Industry news On-line Data Company ATLAS news Events We in press Contact . ...

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This diagram illustrates the effects of absolutely positioning a box ("inner") with respect to a containing block established by a relatively positioned ancestor ("outer"). ... The "inner" box has been positioned relative to the top and left edges of the "outer" element's first inline box. ... The reference edges for positioning the "inner" box are indicated in the diagram by thick dashed lines. ... 1 Beginning of body contents.| ... 4 [(+200, -100)] 5 Inner 6 contents. ... Inner contents" is blue. ...

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• Dynamic HTML in Communicator
• Long description for example illustrating absolute positioning
• Long description illustrating absolute positioning with respect to the initial

... Any elements created after this call will be placed in the container. ... After such a shell container has been created, it is not visible yet. ... Main program: /* example9.c -XT */ # include stddef.h # include gipsyc.h # include cmain.h # include init.h # include finis.h # include userfio.h # include ggi.h /* * Button keyword handler for quitting. */ static void quit(ident id, char * key , int code, void *arg) { bool button =toflog(FALSE); ( void )userflog( , 1, 2, ...

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• Number input
• SYSTEM general subroutines

... 1915QB4_C22v12p1___ Informations. relative to: J1-Io: 201, J2-Europe: 134, J3-Ganymede: 85 reference frame: astrometric centre of frame: topocentre epoch of equinox: date time scale: GMT (UT1=GMT+12h) reduction: no information coordinates: apparent distance, position angle diff. refraction: removed receptor: heliometer telescope: Refractor, F = 2.5 m, D = 17.8 cm observers: Gill David, Finlay W.H. data included in standard data file: no Comments. no information Format. ... Year of the observation 4....

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• Jupiter Outer Satellite Orbit Ephemerides.
• IMCCE-SAI: Natural Satellites Service. Ephemerides. Satellites lointains de
• IMCCE-SAI: Natural Satellites Service. Ephemerides. Satellites de Pluton

... We present a computer program for modelling energy flux distribution and light curves of eclipsing binaries from far ultraviolet to infrared regions. The Roche model is assumed. Proximity effects of components (reflection of radiation and surface gravity darkening) are taken into account. ... Figure 1: The surface temperature distribution for Algol A-B system before (upper plot) and after (lower plot) correction for temperature due to the irradiation effect. ...

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• Calculating the Position and Velocity Components of HST
• ISDC Data Access Layer

WDC-A Digital Exchange Format for One-Minute Geomagnetic Data (Update August 1993) 1. The logical record length is 400 coded characters containing header information, blank spaces, and data for one element for one hour. ... Each logical record contains header information and data in the following format: North polar distance, longitude, year, month, day, hour, element, observatory code, blank spaces, 60 data values, and an hourly mean. ... ORG is the origin of the data. A = Alaska Chain. ...

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... The Main Problems of the Course. ... Some Knoleges from Mechanics, the Main Dynamics Equations for Bodies of Variable Mass, Meshchersky Equation. ... Rocket Motion on Powered Trajectory. ... The Law of Attracting Centre Distance Change. ... The Main Integrals of Motion. Satellite Orbit Equation, Motion Velocity, Orbital Period. ... Forces Affecting on the Artificial Satellites of the Earth. ... Influence of Planet Oblateness on Satellite Motion, Influence of Atmospheric Braking on Satellite Orbit. ...

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• Introduction to Astronomy
• Celestial Mechanics
• Contents of Computer Ephemeris for 2014 (DE200/LE200).

... The SIAM is used to point the satellite such that a nominal on-axis source position is imaged onto a specific point on the detectors. ... New angles for the SIAM are calculated from shifts of the pointing of the instrument given in parameter Instrument relative to the pointing obtained by using the SIAM that is specified by parameter siamset . ... Using this, the positions of 5 test sources in the FOV of the instrument are calculated. ... Source Number . Ra (arcmin) . Dec (arcmin) . ...

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• xmmtrack: XMM orbit TRACKing
• Procedure

Orbital elements of binary components in a hierachical system can be fit to either the visibility data directly or to the separation and position angle data. ... Then use Data|Astrometry to read a previously prepared file ("zetuma.psn") containing the positional data. ... Semi-major axis = 8.4214471 . Semi-minor axis = 4.7663976 . ... We can now use the Thiele-Innes method to estimate the orbital elements from this apparent ellipse and the data, as implemented with the Util|Orbit button. ...

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• ASTROMETRYFIT
• A visual tour
• The Hierarchical Stellar Systems Model Format

... The CAPTION element is used to label a table or figure. Use the align attribute to specify the position of the caption relative to the table/figure. ... CLASS . ... The CLASS attribute is most commonly used to attach a different style to some element, but it is recommended that where practical class names should be picked on the basis of the element's semantics, as this will permit other uses, such as restricting search through documents by matching on element class names. ... ALIGN . ...

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• The Body Element and Related Elements
• Horizontal Tabs
• Divisions

... The binary nature was remarked by Deutsch, approximate orbital elements were at first derived in Potsdam. Recently, 53 Cam was directly resolved by speckle-interferometric measurements of McAlister et al. and Balega. Combining with the spectroscopic elements the determination of the absolute values of the system parameters should be possible. In the present paper a revision of the spectroscopic orbital elements and a comparison of spectroscopic and speckle data have been carried out. ...

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• harak_e

... Fit the ring around the equator and then change its inclination from 0 degrees (equatorial orbit used by geosynchronous satellites) to 28.5 degrees (space shuttle orbit) to 51.6 degrees (space station orbit) to 90 degrees (polar orbit used by spy satellites). by Rob Landis, Space Telescope Science Institute . ... With so many satellites now in orbit, it is likely that you have seen an artificial satellite zipping across the night sky. ... http://www.amsat.org/amsat/ftpsoft.html . ...

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• ASP: An Ancient Universe - The Age of the Chemical Elements
• ASP: Cooking Up Heavy Elements in the Cosmos

... The following functions are used to create, manage, and destroy standard doubly linked lists. Each element in the list contains a piece of data, together with pointers which link to the previous and next elements in the list. ... This adds a new element (with value data ) onto the end of the list. ... This removes the element in the list with the value data ; if the element isn't there, the list is unchanged. void g_list_free( GList *list ); . ... Singly Linked Lists ...

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• HTML Tag Reference
• Specifying Elements in a Table
• The Descriptor Table

Next: RSOG Pre-Observation Products . ... Mission Elements . ... The main mission elements (ME) are: . The RSOG, based at ASC, which is responsible for the science operation of the RadioAstron Mission. ... The Main Ballistic(Navigation) Center (MBC) belonging to Lavochkin Association coordinates preparation and exchange of orbit determination and orbit reconstraction ptoducts. ... Experiment codes of five characters are used in naming GRT related files. ... RSOG . ... Corr (GTS?) ... Corr (RSOG?) ...

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• Contingency Plans
• Introduction

... Star Atlas . Product Reviews . ... stars . ... We are made up of elements forged in stars. But with the vast distances between stars, are we the product of only one star or many? ... RELATED TOPICS: STARS . Not only are you made of many stars; you re made of many generations of stars. ... Get instant access to subscriber content on Astronomy.com! Access our interactive Atlas of the Stars . ... A gamma-ray burst hints that LIGO's double black holes started as one massive star . ...

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• elements | Astronomy.com
• What is the heaviest element that astronomers can detect? | Astronomy.com
• Does the time it takes different methods to create all the elements coincide

... The Theoretcial Astrophysics subroutine library provides constants and functions commonly used in astrophysical modelling. It began in 1992 as a joint project between CCP7 and Starlink, initiated by Simon Jeffery and Paul Rees. ... SUBROUTINE TAP_ESYMB ( IZ, SYMBOL, STATUS ) . ... SUBROUTINE TAP_ENAME ( IZ, NAME, STATUS ) . ... SUBROUTINE TAP_ABINI ( TAP_ABUND, STATUS ) . ... SUBROUTINE TAP_ERROR ( TAP_ROUTN, NAME, TEXT, STATUS ) . ... SUBROUTINE TAP_ERREP ( TAP_ROUTN, STATUS ) . ...

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• Terry Mosely's Bulletins
• Irregular Satellite Research
• Planetary positions