STARLINK-3153, 49431
Orbit data source: Space-Track
STARLINK-3153, 49431 is a payload satellite owned by SpaceX/Seattle (US) in LEO that was launched on Sat, 13 Nov 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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49431 intel report (Beta)
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Identifier
Orbit
Country
USRelated business
Manufacturer
SpaceX/Seattle
Mission
Operational Commercial Communications
Bus & Motor
STARLINK, Unknown motor
Mass
290 kg wet, ~270 kg dry
Launch date (UTC)
Launch vehicle
Launch site
Object type
Shape & HBR
Box + 1 Pan, 10.1 m
Radar Cross Section
13.562 m², Large (>1 m²)
Expand to show TLE details & historyLast TLE update: 1 week ago
TLE from 1 week ago
0 STARLINK-3153
1 49431U 21104Z 26154.29412275 -.00000426 00000-0 -86491-5 0 9996
2 49431 53.1831 204.9929 0001271 49.7404 310.3699 15.08831948251554Epoch: 2026-06-03T07:03Z
TLE epoch observation values (Epoch: 2026-06-03T07:03:32.205Z)
Latitude
-0.00001°
Longitude
-152.6461°
Altitude
540.092 km
Speed
7.594 km/s
True Right ascension
13h 39m 58s
True Declination
0° 00' 00"
Sunlit
Visualization orbit readout
Latitude
Unknown
Longitude
Unknown
Altitude
Unknown
Speed
Unknown
Apparent Right ascension
Unknown
Apparent Declination
Unknown
Sunlit
Visualization observer readout
Local Sidereal Time
14:53:24
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
540.898 km
Perigee altitude
539.139 km
Semi-major axis
6,918.155 km
Eccentricity
0.00013
Inclination
53.1831°
RAAN
204.9929°
Arg. of periapsis
49.7404°
True anomaly
310.3588°
Mean anomaly
310.3699°
Eccentric anomaly
310.36435°
Mean motion
3.77188 °/min
Orbital period
95.44 mins
BSTAR
-0.0000086491
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Other satellites on launch #104 in the year 2021 (2021-11-13 UTC)
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You can import UDL-sourced sensor .json files into the Sandbox to generate a visibility chart that accounts for multi-vendor sensor geometry.STARLINK-3153 Visibility forecast
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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. |
|---|---|---|---|---|---|---|---|
| 6 mins | 2026-06-11 09:29:43.322Z | 332.521° NNW | 2026-06-11 09:31:43.322Z | 15.21° NNE | 31.025° | 2026-06-11 09:35:43.322Z | 100.427° ESE |
| 5 mins | 2026-06-11 11:09:43.322Z | 271.455° WNW | 2026-06-11 11:11:43.322Z | 219.807° SW | 27.112° | 2026-06-11 11:14:43.322Z | 168.14° S |
| 5 mins | 2026-06-12 02:40:43.322Z | 195.267° SSW | 2026-06-12 02:42:43.322Z | 135.439° SSE | 36.104° | 2026-06-12 02:45:43.322Z | 64.97° ENE |
| 6 mins | 2026-06-12 04:19:43.322Z | 279.575° WNW | 2026-06-12 04:21:43.322Z | 317.709° NNW | 25.432° | 2026-06-12 04:25:43.322Z | 33.26° NE |
Co-orbital & Co-planar RSOs
Thresholds — Semi-major Axis: ±100 km, RAAN: ±3°, Inclination: ±5°
TCA is derived from TLE conjunctions
Click to sort rows by RSO header in ascending order | Click to sort rows by Country header in ascending order | Click to sort rows by Type header in ascending order | Click to sort rows by Inclination Δ header in ascending order | Click to sort rows by RAAN Δ header in ascending order | Click to sort rows by Coplanar Angle header in ascending order | Click to sort rows by SMA Δ header in ascending order | Click to sort rows by Orbital period header in ascending order | Click to sort rows by <5km Md TCA header in descending order |
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CAUTION: Conjunctions in this section are generated from low-fidelity TLE screenings
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