STARLINK-2555, 48291

Orbit data source: Space-Track

STARLINK-2555, 48291 is a payload satellite owned by SpaceX/Seattle (US) in LEO that was launched on Thu, 29 Apr 2021 UTC via an FALCON 9 launch vehicle from the Air Force Eastern Test Range (AFETR). Payload-class satellites include a variety of spacecraft equipped with specific instruments for various scientific and technological missions. These include communications satellites like Starlink; space stations such as the ISS; scientific satellites like the Hubble; Earth observation satellites from companies like Planet Labs, Umbra, and HawkEye 360; GPS; miniature CubeSats for education and research; and military/defense satellites.

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Identifier
48291, 2021-036R
Orbit
LEO
Country
Flag of USUS
Related business
Manufacturer
SpaceX/Seattle
Mission
Operational Commercial Communications
Bus & Motor
STARLINK, Unknown motor
Mass
260 kg wet, ~248 kg dry
Launch date (UTC)
2021-04-29 (5 years ago)
Launch vehicle
FALCON 9
Launch site
Air Force Eastern Test Range (AFETR)
Object type
Payload
Rocket body
Debris
Shape & HBR
Box + 1 Pan, 10.1 m
Radar Cross Section
13.562 m², Large (>1 m²)

Expand to show TLE details & history
Last TLE update: 18 hours ago

TLE from 18 hours ago
0 STARLINK-2555
1 48291U 21036R   26092.03075884  .00008152  00000-0  28712-3 0  9999
2 48291  53.1594 329.3999 0001326  96.2813 263.8339 15.30194078271943
Epoch: 2026-04-02T00:44Z
TLE epoch observation values (Epoch: 2026-04-02T00:44:17.563Z)
Latitude
-0.00002°
Longitude
127.94162°
Altitude
476.23 km
Speed
7.629 km/s
True Right ascension
21h 57m 35s
True Declination
0° 00' 00"
Sunlit
Object was in daylight at epoch
Visualization orbit readout
Latitude
Unknown
Longitude
Unknown
Altitude
Unknown
Speed
Unknown
Apparent Right ascension
Unknown
Apparent Declination
Unknown
Sunlit
N/A
Visualization observer readout
Local Sidereal Time
00:35:20
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
476.398 km
Perigee altitude
474.58 km
Semi-major axis
6,853.626 km
Eccentricity
0.00013
Inclination
53.1594°
RAAN
329.3999°
Arg. of periapsis
96.2813°
True anomaly
263.81879°
Mean anomaly
263.8339°
Eccentric anomaly
263.82635°
Mean motion
3.82527 °/min
Orbital period
94.11 mins
BSTAR
0.00028712
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