A Broadband Imaging X-ray All-sky Survey, or ABRIXAS was a space-based German X-ray telescope. It was launched on 28 April 1999 in a Kosmos-3M launch vehicle from Kapustin Yar, Russia, into Earth orbit. The orbit had a periapsis of 549.0 kilometres (341.1 mi), an apoapsis of 598.0 kilometres (371.6 mi), an inclination of 48.0° and an eccentricity of 0.00352, giving it a period of 96 minutes.[2][3]
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![]() ABRIXAS in orbit. | |
Mission type | X-ray astronomy |
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Operator | DLR |
COSPAR ID | 1999-022A ![]() |
SATCAT no. | 25721 |
Mission duration | 0 years (mission failure) |
Spacecraft properties | |
Launch mass | 550.0 kilograms (1,212.5 lb) |
Start of mission | |
Launch date | 28 April 1999, 20:30 (1999-04-28UTC20:30Z) UTC |
Rocket | Kosmos-3M |
Launch site | Kapustin Yar 107 |
End of mission | |
Last contact | 1 May 1999 (1999-06) |
Decay date | 31 October 2017[1] |
Orbital parameters | |
Reference system | Geocentric |
Regime | Low Earth Orbit |
Semi-major axis | 6,869.9 kilometers (4,268.8 mi) |
Eccentricity | 0.00352 |
Perigee altitude | 549 km (341 mi) |
Apogee altitude | 598 km (372 mi) |
Inclination | 48.0 degrees |
Period | 96.00 minutes |
Epoch | 28 April 1999, 04:30:00 UTC[2] |
The telescope's battery was accidentally overcharged and destroyed three days after the mission started. When attempts to communicate with the satellite — while its solar panels were illuminated by sunlight — failed, the $20 million project was abandoned.[4] ABRIXAS decayed from orbit on 31 October 2017.
The eROSITA telescope is based on the design of the ABRIXAS observatory.[5] eROSITA was launched on board the Spektr-RG space observatory on 13 July 2019 from Baikonur to be deployed at the second Lagrange point (L2).[6]
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← 1998 · Orbital launches in 1999 · 2000 → | |
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Launches are separated by dots ( • ), payloads by commas ( , ), multiple names for the same satellite by slashes ( / ). Cubesats are smaller. Crewed flights are underlined. Launch failures are marked with the † sign. Payloads deployed from other spacecraft are (enclosed in parentheses). |
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