Key statistics
Satellite IRAS at a glance.
Uptime
15503
Days in orbit
Revolutions
≈ 14.0
Per day
Orbit
SSO
Sun Synchronous Orbit
Inclination
99.1
Latest
Satellite identification and parameters
Extended collection of information and parameters for IRAS.
Object identification
Identified? True
Debris? False
Object name: IRAS
International designator: 1983-004A
Object number (NORAD): 13777
Object ID (CCSDS): 13777
Country: UNITED STATES OF AMERICA (US)
Current information (Y/N): Y
RCS size: LARGE
Orbital parameters
Period: 102.787 minutes
Inclination: 99.0612 deg
SMA: 7268.645 km
Apoapsis: 903.619 km
Periapsis: 877.401 km
RAAN: 7.1933 deg
Eccentricy: 0.0018035
Argument of periapsis: 200.0651 deg
Mean anomaly: 159.9806 deg
Mean motion: 14.00949826 rev/day
Mean motion (dot): -0.00000126 rev/day2
B* drag term: -0.000054442 1/REarth
Two-line elements (TLE)
Creation date: July 6, 2025, 6:05 p.m.
Reference frame: TEME
Reference center: EARTH
Epoch: July 6, 2025, 11:26 a.m. UTC
TLE line 0: 0 IRAS
TLE line 1: 1 13777U 83004A 25187.47651763 -.00000126 00000-0 -54442-4 0 9996
TLE line 2: 2 13777 99.0612 7.1933 0018035 200.0651 159.9806 14.00949826837973
Live tracking on map
Real-time ground track for satellite IRAS.
In-orbit conjunctions
There are no conjunctions computed for IRAS, at the moment. Check back to stay up to date, as we update our databases every day.
Go to all conjunctionsAssociated space launch
Astronomy satellite dedicated to infrared full-sky surveying
IRAS was lifted into orbit during the mission ‘Delta 3910 | IRAS’, on board a Delta 3910 space rocket.
The launch took place on Jan. 26, 1983, 2:17 a.m. from Space Launch Complex 2W.
For more information about the launch, click the button.
Delta 3910 | IRAS
Agency: N/A
Status: Launch Successful
Launch date: Jan. 26, 1983, 2:17 a.m. UTC
Rocket: Delta 3910
Launch pad: Space Launch Complex 2W
Location: Vandenberg SFB, CA, USA
...
Latest news about this satellite
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