STARLINK-5221, 54091

Orbit data source: Space-Track

STARLINK-5221, 54091 is a payload satellite owned by SpaceX/Seattle (US) in LEO that was launched on Thu, 20 Oct 2022 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
54091, 2022-136AS
Orbit
LEO
Country
Flag of USUS
Related business
Manufacturer
SpaceX/Seattle
Mission
Operational Commercial Communications
Bus & Motor
STARLINK, Unknown motor
Mass
305 kg wet, ~290 kg dry
Launch date (UTC)
2022-10-20 (3 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: 8 hours ago

TLE from 8 hours ago
0 STARLINK-5221
1 54091U 22136AS  25365.15662571  .00001957  00000-0  14102-3 0  9990
2 54091  53.2179 281.3771 0001277  88.6506 271.4632 15.08835256176649
Epoch: 2025-12-31T03:45Z
TLE epoch observation values (Epoch: 2025-12-31T03:45:32.461Z)
Latitude
-0.00005°
Longitude
125.16222°
Altitude
540.633 km
Speed
7.593 km/s
True Right ascension
18h 45m 30s
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
11:09:00
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
540.886 km
Perigee altitude
539.119 km
Semi-major axis
6,918.14 km
Eccentricity
0.00013
Inclination
53.2179°
RAAN
281.3771°
Arg. of periapsis
88.6506°
True anomaly
271.44857°
Mean anomaly
271.4632°
Eccentric anomaly
271.45589°
Mean motion
3.77189 °/min
Orbital period
95.44 mins
BSTAR
0.00014102
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