LowEarth

STARLINK-3055

NORAD 49137· COSPAR 2021-082H· Starlink· LEO
Launch
Launched on Sep 14, 2021 from Space Launch Complex 4E, United States of America aboard a Falcon 9 Block 5.
Falcon 9 Block 5 | Starlink Group 2-1
Starlink satellite (representative)
Representative Starlink image · Official SpaceX Photos · CC0 · via Wikimedia Commons
Live · TLE epoch 2026-09-08 21:38 UTC
Orbit class
LEO — Low Earth Orbit (circular, < 2,000 km)
Operator
SpaceX
Country
United States
Manufacturer
SpaceX
Launched
Sep 14, 2021
Mass
Apogee
582 km
Perigee
577 km
Inclination
70.00°
Period
1.60 h
Part of the Starlink constellation · this satellite is one of 10,866 (planned: 42,000)

SpaceX broadband mega-constellation in LEO. Currently the largest constellation ever flown.

Altitude history

Apogee and perigee for STARLINK-3055 across 103 days of archived orbital elements (105 element sets, one per day).

Trend
Stable
Change
+0.1 km
Rate
+0.00 km/day
Now
578 × 582 km
580583577May 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.

Launched with

37 other catalogued objects still in orbit from launch 2021-082 (Falcon 9 Block 5 | Starlink Group 2-1).

…and 13 more from this launch.

Sources & further reading

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