AB
NamesASTRO-D, Asuka
Mission typeX-ray observatory
OperatorISAS / NASA
COSPAR ID1993-011A
SATCAT no.22521
Websitehttp://heasarc.gsfc.nasa.gov/docs/asca/
Mission durationFinal: 8 years, 10 days
Spacecraft properties
ManufacturerNEC
Launch mass420 kg (930 lb)
Dimensions4.7 m (15 ft) long
Start of mission
Launch date20 February 1993, 02:20 UTC
RocketMu-3SII, mission M-3SII-7
Launch siteKagoshima Space Center, Japan
ContractorISAS
End of mission
Disposaldeorbited
Decay date2 March 2001, 14:20 UTC
Orbital parameters
Reference systemGeocentric
RegimeLow Earth
Eccentricity0.01
Perigee altitude523.6 km (325.3 mi)
Apogee altitude615.3 km (382.3 mi)
Inclination31.1°
Period96.09 minutes
Epoch20 February 1993
Main telescope
TypeWolter
Diameter1.2 m (3.9 ft)
Focal length3.5 m (11 ft)
Collecting area1,300 cm (200 sq in) @ 1 kev
600 cm (93 sq in) @ 7 keV
WavelengthsX-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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Footnotes

  1. “Solid-state Imaging Spectrometers”. 25 June 2001. Retrieved 26 November 2016. Energy Range: 0.4 keV to 10 keV keV

  2. “Gas Imaging Spectrometers”. 1 April 2005. Retrieved 26 November 2016. Energy Range: 0.7 keV to 10 keV