| A | B |
|---|---|
| Names | ASTRO-D, Asuka |
| Mission type | X-ray observatory |
| Operator | ISAS / NASA |
| COSPAR ID | 1993-011A |
| SATCAT no. | 22521 |
| Website | http://heasarc.gsfc.nasa.gov/docs/asca/ |
| Mission duration | Final: 8 years, 10 days |
| Spacecraft properties | … |
| Manufacturer | NEC |
| Launch mass | 420 kg (930 lb) |
| Dimensions | 4.7 m (15 ft) long |
| Start of mission | … |
| Launch date | 20 February 1993, 02:20 UTC |
| Rocket | Mu-3SII, mission M-3SII-7 |
| Launch site | Kagoshima Space Center, Japan |
| Contractor | ISAS |
| End of mission | … |
| Disposal | deorbited |
| Decay date | 2 March 2001, 14:20 UTC |
| Orbital parameters | … |
| Reference system | Geocentric |
| Regime | Low Earth |
| Eccentricity | 0.01 |
| Perigee altitude | 523.6 km (325.3 mi) |
| Apogee altitude | 615.3 km (382.3 mi) |
| Inclination | 31.1° |
| Period | 96.09 minutes |
| Epoch | 20 February 1993 |
| Main telescope | … |
| Type | Wolter |
| Diameter | 1.2 m (3.9 ft) |
| Focal length | 3.5 m (11 ft) |
| Collecting area | 1,300 cm (200 sq in) @ 1 kev 600 cm (93 sq in) @ 7 keV |
| Wavelengths | X-ray, SIS: 3–0.12 nm (0.4–10 keV)1 GIS: 1.8–0.12 nm (0.7–10 keV)2 |
| ASTRO program | … |
Advanced Satellite for Cosmology and Astrophysics
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