STARLINK-2231, 48577

Orbit data source: Space-Track

STARLINK-2231, 48577 is a payload satellite owned by SpaceX/Seattle (US) in LEO that was launched on Sat, 15 May 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
48577, 2021-041AA
Orbit
LEO
Last TLE update
9 hours ago
Origin
Manufacturer
SpaceX/Seattle
Mission
Operational Commercial Communications
Bus & Motor
STARLINK, Unknown motor
Mass
260 kg wet, ~248 kg dry
Launch date (UTC)
2021-05-15 (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, 8.86 m
Radar Cross Section
13.562 m², Large (>1 m²)

Expand to show TLE details & history

TLE from 9 hours ago
0 STARLINK-2231
1 48577U 21041AA  25130.01630138  .00001747  00000-0  13616-3 0  9991
2 48577  53.0548  55.1286 0001338  70.8590 289.2544 15.06398533219873
Epoch: 2025-05-10T00:23Z
Definitive object data (Epoch: 2025-05-10T00:23:28.439Z)
Latitude
0.00001°
Longitude
-178.80403°
Altitude
547.79 km
Speed
7.589 km/s
True Right ascension
03h 40m 30s
True Declination
0° 00' 00"
Sunlit
Object was in daylight at TLE epoch
Visualization TLE readout
Latitude
-51.80433°
Longitude
71.41089°
Altitude
566.093 km
Speed
7.577 km/s
Apparent Right ascension
01h 43m 07s
Apparent Declination
-71° 35' 18"
Sunlit
Object is in daylight
Visualization observer readout
Local Sidereal Time
17:43:07
Azimuth
156.411° SSE
Elevation
-46.882°
Doppler factor
1
Orbital elements
Apogee altitude
548.413 km
Perigee altitude
546.56 km
Semi-major axis
6,925.624 km
Eccentricity
0.0001338
Inclination
53.0548°
RAAN
55.1286°
Arg. of periapsis
70.859°
True anomaly
289.23992°
Mean anomaly
289.2544°
Eccentric anomaly
289.24716°
Mean motion
3.76578 °/min
BSTAR
0.00013616
Orbital period
95.6 mins
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STARLINK-2231 Visibility forecast

Observer location: undefined°, undefined°

Span
Click to sort rows by Start time (UTC) header in descending order
Start Az.
Max El. time (UTC)
Max El. Az.
Max El.
End time (UTC)
End Az.
7 mins2025-05-10 21:14:50.514Z211.436° SW2025-05-10 21:18:50.514Z121.443° SE38.356°2025-05-10 21:21:50.514Z61.412° ENE
6 mins2025-05-10 22:55:50.514Z282.775° WNW2025-05-10 22:57:50.514Z320.155° NNW24.488°2025-05-10 23:01:50.514Z33.139° NE
6 mins2025-05-11 03:57:50.514Z326.267° NNW2025-05-11 03:59:50.514Z19.191° NNE38.726°2025-05-11 04:03:50.514Z113.279° SE
4 mins2025-05-11 05:37:50.514Z260.8° W2025-05-11 05:38:50.514Z241.969° WSW19.307°2025-05-11 05:41:50.514Z188.259° SSW
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