Payload
IRAS
NonoperationalPayloadLEO
The Infrared Astronomical Satellite (IRAS) was the first space telescope to perform a survey of the entire night sky at infrared wavelengths. Launched on 25 January 1983, its mission lasted ten months. The telescope was a joint project of the United States (NASA), the Netherlands (NIVR), and the United Kingdom (SERC). Over 250,000 infrared sources were observed at 12, 25, 60, and 100 micrometer wavelengths.
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Launch
- Launch date
- January 26, 1983 at 02:17 AM UTC
- Launch site
- Vandenberg SFB, USA
- Launched by
- Delta 3910 →
- Operator
- United States Air Force
- Mission
- IRAS
- Launch record
- View full launch →
Orbit
- Orbit regime
- LEO
- Apoapsis
- 904 km
- Periapsis
- 877 km
- Inclination
- 99.05°
- Orbital period
- 102.79 min
Identity
- COSPAR (Int'l)
- 1983-004A
- NORAD catalog №
- 13777
- Object type
- Payload
- Owner / operator
United States- Radar cross-section
- 3.9914 m²
- Status
- Nonoperational
End of mission
- Fate
- No longer operational — remains in orbit as inactive.
- Final status
- Nonoperational