Sun Incidence Angle Analysis of KOMPSAT-2 Payload during Normal Mission Operations

Details Sun Incidence Angle Analysis of KOMPSAT-2 Payload during Normal Mission Operations Sun Incidence Angle Analysis of KOMPSAT-2 Payload during Normal Mission Operations

Dec 2000

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2000jass...17..316k&link_type=abstract

Journal of Astronomy and Space Sciences, vol. 17, no. 2, p. 309-316

Astronomy and Astrophysics

Astronomy

1

Sun Incidence Angle Analysis, Kompsat-2 Payload During Normal Mission Operations

Scientific paper

KOMPSAT-2 will carry MSC (Multi-Spectral Camera) which provides 1m resolution panchromatic and 4m resolution multi-spectral images at the altitude of 685km sun-synchronous mission orbit. The mission operation of KOMSPAT-2 is to provide the earth observation using MSC with nadir pointing. KOMPSAT-2 will also have the capability of roll/pitch tilt maneuver using reaction wheel of satellite as required. In order to protect MSC from thermal distortion as well as direct sunlight, MSC shall be operated within the constraint of sun incidence angle. It is expected that the sunlight will not violate the constraint of sun incidence angle for normal mission operations without roll/pitch maneuver. However, during roll/pitch tilt operations, optical module of MSC may be damaged by the sunlight. This study analyzed sun incidence angle of payload using KOMPSAT-2 AOCS (Attitude and Orbit Control Subsystem) Design and Performance Analysis Software for KOMPSAT-2 normal mission operations.

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