STARLINK-2255
NORAD 48597· COSPAR 2021-041AW· Starlink· LEO
Launch
Launched on May 15, 2021 from Launch Complex 39A, United States of America aboard a Falcon 9 Block 5.
Falcon 9 Block 5 | Starlink 26 →
Live · TLE epoch 2026-09-09 00:50 UTC
Orbit class
LEO — Low Earth Orbit (circular, < 2,000 km)
Operator
SpaceX
Country
United States
Manufacturer
SpaceX
Launched
May 15, 2021
Mass
—
Apogee
479 km
Perigee
477 km
Inclination
53.16°
Period
1.57 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-2255 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
477 × 479 km
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
34 other catalogued objects still in orbit from launch 2021-041 (Falcon 9 Block 5 | Starlink 26).
- STARLINK-2063 · 48553
- STARLINK-2231 · 48577
- STARLINK-2232 · 48578
- STARLINK-2234 · 48580
- STARLINK-2235 · 48581
- STARLINK-2236 · 48582
- STARLINK-2237 · 48583
- STARLINK-2241 · 48586
- STARLINK-2245 · 48589
- STARLINK-2250 · 48593
- STARLINK-2251 · 48594
- STARLINK-2252 · 48595
- STARLINK-2253 · 48596
- STARLINK-2139 · 48554
- STARLINK-2713 · 48602
- STARLINK-2714 · 48603
- STARLINK-2757 · 48604
- TYVAK-0130 · 48606
- STARLINK-2145 · 48555
- STARLINK-2151 · 48556
- STARLINK-2155 · 48557
- STARLINK-2166 · 48558
- STARLINK-2187 · 48562
- STARLINK-2188 · 48563
…and 10 more from this launch.
Sources & further reading
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