Key statistics
Satellite IRAS at a glance.
Uptime
15449
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: 99.061 deg
SMA: 7268.648 km
Apoapsis: 904.709 km
Periapsis: 876.318 km
RAAN: 314.0678 deg
Eccentricy: 0.001953
Argument of periapsis: 351.3184 deg
Mean anomaly: 8.7641 deg
Mean motion: 14.00948884 rev/day
Mean motion (dot): 0.00000061 rev/day2
B* drag term: 0.000070582 1/REarth
Two-line elements (TLE)
Creation date: May 14, 2025, 3:37 a.m.
Reference frame: TEME
Reference center: EARTH
Epoch: May 13, 2025, 9:53 p.m. UTC
TLE line 0: 0 IRAS
TLE line 1: 1 13777U 83004A 25133.91214309 .00000061 00000-0 70582-4 0 9996
TLE line 2: 2 13777 99.0610 314.0678 0019530 351.3184 8.7641 14.00948884830478
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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