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INMARSAT 3-F1

NORAD 23839· COSPAR 1996-020A· Active satellite· Communications· IGSO
Launch
Launched on Apr 3, 1996 from Launch Complex 36A, United States of America aboard a Atlas IIA.
Atlas IIA | INMARSAT III F-1
Live · TLE epoch 2026-09-08 15:42 UTC
Orbit class
IGSO — Inclined Geosynchronous (BeiDou / QZSS, figure-8 ground track)
Operator
Inmarsat
Country
Inmarsat
Manufacturer
Launched
Apr 3, 1996
Mass
Apogee
35,899 km
Perigee
35,843 km
Inclination
10.77°
Period
1.00 d

Altitude history

Apogee and perigee for INMARSAT 3-F1 across 103 days of archived orbital elements (105 element sets, one per day).

Trend
Decaying
Change
-5.2 km
Rate
-0.05 km/day
Now
35843 × 35899 km
358713589935843May 28Sep 9
Apogee Perigee

Derived from our own archive of CelesTrak orbital elements, sampled every 3 hours. Short windows show drag and station-keeping; they are not a reentry prediction.

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