Key statistics
Satellite IRAS at a glance.
Uptime
15568
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: 102.789 minutes
Inclination: 99.0598 deg
SMA: 7268.704 km
Apoapsis: 904.677 km
Periapsis: 876.461 km
RAAN: 71.297 deg
Eccentricy: 0.00194092
Argument of periapsis: 25.3074 deg
Mean anomaly: 334.9037 deg
Mean motion: 14.00932727 rev/day
Mean motion (dot): -0.00000202 rev/day2
B* drag term: -0.00010518679 1/REarth
Two-line elements (TLE)
Creation date: Sept. 9, 2025, 10:35 a.m.
Reference frame: TEME
Reference center: EARTH
Epoch: Sept. 9, 2025, 2:40 a.m. UTC
TLE line 0: 0 IRAS
TLE line 1: 1 13777U 83004A 25252.11135157 -.00000202 00000-0 -10519-3 0 9995
TLE line 2: 2 13777 99.0598 71.2970 0019409 25.3074 334.9037 14.00932727847022
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
There are no fresh news available about this satellite. Check back as we update our databases every day.
Newsletter sign-up
Weekly statistics, charts and insights to help you stay on top of the space industry.
