STARLINK-34121, 63961

Orbit data source: Space-Track

STARLINK-34121, 63961 is a payload satellite owned by SpaceX/Seattle (US) in LEO that was launched on Tue, 13 May 2025 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
63961, 2025-099K
Orbit
LEO
Country
Flag of USUS
Related business
Manufacturer
SpaceX/Seattle
Mission
Operational Commercial Communications
Bus & Motor
STARLINK V2MO, Unknown motor
Mass
575 kg wet, ~530 kg dry
Launch date (UTC)
2025-05-13 (11 months ago)
Launch vehicle
FALCON 9
Launch site
Air Force Eastern Test Range (AFETR)
Object type
Payload
Rocket body
Debris
Shape & HBR
Box + 2 Pan, 17.7 m
Radar Cross Section
36.964 m², Large (>1 m²)

Expand to show TLE details & history
Last TLE update: 16 hours ago

TLE from 16 hours ago
0 STARLINK-34121
1 63961U 25099K   26093.84731638  .00018627  00000-0  68469-3 0  9990
2 63961  43.0014  34.1611 0002117 262.8758  97.1853 15.27579767 51188
Epoch: 2026-04-03T20:20Z
TLE epoch observation values (Epoch: 2026-04-03T20:20:08.135Z)
Latitude
-0.00001°
Longitude
-103.04837°
Altitude
483.007 km
Speed
7.626 km/s
True Right ascension
02h 16m 38s
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
18:29:00
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
486.448 km
Perigee altitude
483.542 km
Semi-major axis
6,863.132 km
Eccentricity
0.00021
Inclination
43.0014°
RAAN
34.1611°
Arg. of periapsis
262.8758°
True anomaly
97.20937°
Mean anomaly
97.1853°
Eccentric anomaly
97.19733°
Mean motion
3.81733 °/min
Orbital period
94.31 mins
BSTAR
0.00068469
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