STARLINK-3644, 51987

Orbit data source: Space-Track

STARLINK-3644, 51987 is a payload satellite owned by SpaceX/Seattle (US) in LEO that was launched on Wed, 09 Mar 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
51987, 2022-025AH
Orbit
LEO
Country
Flag of USUS
Related business
Manufacturer
SpaceX/Seattle
Mission
Operational Commercial Communications
Bus & Motor
STARLINK, Unknown motor
Mass
297 kg wet, ~275 kg dry
Launch date (UTC)
2022-03-09 (4 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: 2 days ago

TLE from 2 days ago
0 STARLINK-3644
1 51987U 22025AH  26171.41668980  .00034165  00000-0  15384-2 0  9992
2 51987  53.1594 297.4043 0000922  93.7747 293.7414 15.20788069  5784
Epoch: 2026-06-20T10:00Z
TLE epoch observation values (Epoch: 2026-06-20T10:00:01.998Z)
Latitude
21.74398°
Longitude
-103.94836°
Altitude
503.828 km
Speed
7.616 km/s
True Right ascension
20h 58m 45s
True Declination
21° 37' 18"
Sunlit
Object was in full shadow 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
21:42:52
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
504.352 km
Perigee altitude
503.083 km
Semi-major axis
6,881.855 km
Eccentricity
0.00009
Inclination
53.1594°
RAAN
297.4043°
Arg. of periapsis
93.7747°
True anomaly
293.73173°
Mean anomaly
293.7414°
Eccentric anomaly
293.73656°
Mean motion
3.80176 °/min
Orbital period
94.69 mins
BSTAR
0.0015384
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