EROS A
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EROS-A1
| Names | Earth Remote Observation System-A EROS-A1 |
|---|---|
| Mission type | Earth observation |
| Operator | ImageSat International |
| COSPAR ID | 2000-079A |
| SATCAT no. | 26631 |
| Website | https://www.imagesatintl.com/ |
| Mission duration | 10 years (planned) 16.5 years (achieved) |
| Spacecraft properties | |
| Spacecraft | EROS-A1 |
| Spacecraft type | Ofeq-3 |
| Bus | OPSAT-2000[1] |
| Manufacturer | Israel Aerospace Industries |
| Launch mass | 260 kg (570 lb) |
| Dimensions | 2.3 m in height 1.2 m in diameter |
| Power | 450 watts |
| Start of mission | |
| Launch date | 5 December 2000, 12:32 UTC[2] |
| Rocket | Start-1 |
| Launch site | Svobodny Cosmodrome, Launch Complex-5 |
| Contractor | Moscow Institute of Thermal Technology |
| End of mission | |
| Last contact | May 2016 [3] |
| Decay date | 7 July 2016 [4] |
| Orbital parameters | |
| Reference system | Geocentric orbit[5] |
| Regime | Low Earth orbit |
| Perigee altitude | 490 km (300 mi) |
| Apogee altitude | 565 km (351 mi) |
| Inclination | 97.30° |
| Period | 94.60 minutes |
The Earth Remote Observation System-A (EROS-A or EROS-A1) was part of the EROS family of Israeli commercial Earth observation satellites, designed and manufactured by Israel Aircraft Industries (IAI).[6] This was the first satellite in the series. The satellite was owned and operated by ImageSat International, ImageSat International N.V. (ISI) headquartered at Limassol, Cyprus, and incorporated in the Netherlands Antilles, Cayman Islands.[7]
The EROS A was launched on 5 December 2000, at 12:32 UTC,[2] from Svobodny Cosmodrome, Launch Complex-5 in eastern Siberia.[7]
Satellite description
The satellite was 1.2 m in diameter, 2.3 m in height. It weighed 260 kg at launch.[7] The design was based on the military reconnaissance satellite Ofeq-3, which was previously built, also by Israel Aerospace Industries (IAI) for Israeli government use.
Control systems
The satellite was equipped with a three-axis stabilized and a four reaction wheels actuator. The satellite is also equipped with horizon sensors, Sun sensors, gyroscopes and magnetometer for altitude determination.[3]
Ground communication systems
The satellite is equipped with a 70 Mbit/s imagery link, a 15 kbit/s maintenance downlink, and a 15 kbit/s command uplink.[8]
