Advanced Land Observation Satellite
Advanced Land Observing Satellite (ALOS), also called Daichi (a Japanese word meaning "land"), was a 3810 kg Japanese satellite launched in 2006. After five years of service, the satellite lost power and ceased communication with Earth, but remains in orbit.
ALOS model | |
| Names | Daichi ALOS |
|---|---|
| Mission type | Earth observation |
| Operator | Japan Aerospace Exploration Agency (JAXA) |
| COSPAR ID | 2006-002A |
| SATCAT no. | 28931 |
| Website | https://global.jaxa.jp/projects/sat/alos/index.html |
| Mission duration | 5 years (planned); 5 years, 3 months, 18 days (achieved) |
| Spacecraft properties | |
| Spacecraft | ALOS |
| Manufacturer | NEC Toshiba Mitsubishi Electric |
| Launch mass | 3,810 kg (8,400 lb) |
| Dimensions | 8.9 m × 27.4 m × 6.2 m (29 ft × 90 ft × 20 ft) |
| Power | 7 kW |
| Start of mission | |
| Launch date | 24 January 2006, 01:33 UTC |
| Rocket | H-IIA-2022 (No. 8) |
| Launch site | Tanegashima Space Center |
| Contractor | Mitsubishi |
| End of mission | |
| Disposal | Decommissioned |
| Deactivated | 12 May 2011, 10:50 UTC |
| Orbital parameters | |
| Reference system | Geocentric orbit |
| Regime | Sun-synchronous orbit |
| Perigee altitude | 694 km (431 mi) |
| Apogee altitude | 696 km (432 mi) |
| Inclination | 98.0° |
| Period | 98.5 minutes |
| Instruments | |
| PRISM: Panchromatic Remote-sensing Instruments for Stereo Mapping, to measure precise land elevation AVNIR-2: Advanced Visible and Near Infrared Radiometer type 2, which observes what covers land surfaces. 10-meter resolution at nadir PALSAR: Phased Array type L-band Synthetic Aperture Radar, which enables day-and-night and all-weather land observation | |
ALOS Series | |
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