Definitive orbit determination for the HEAO-2 spacecraft

Details Definitive orbit determination for the HEAO-2 spacecraft Definitive orbit determination for the HEAO-2 spacecraft

Aug 1984

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1984adans..54..127s&link_type=abstract

IN: Astrodynamics 1983; Proceedings of the Conference, Lake Placid, NY, August 22-25, 1983. Part 1 (A84-30526 13-13). San Diego,

Astronomy and Astrophysics

Astronomy

Ephemerides, Heao 2, Orbit Calculation, Spacecraft Orbits, Atmospheric Models, Onboard Data Processing, Satellite Tracking, Thrust, Tracking Stations

Scientific paper

Precise ephemerides for the High Energy Astronomy Observatory-2 (HEAO-2) were computed to assist in the Charles Stark Draper Laboratory development of an onboard orbit determination technique. Weighted least-squares, batch orbit solutions were calculated using a high-precision earth gravity model and an approximate model for intermittent spacecraft thrusting. With these improvements, orbit solution consistencies at the 50- to 100-meter level were attained using the Goddard Trajectory Determination System and NASA S-band tracking data.

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