STARLINK-3051, 49157
Orbit data source: Space-Track
STARLINK-3051, 49157 is a payload satellite owned by SpaceX/Seattle (US) in LEO that was launched on Tue, 14 Sep 2021 UTC via an FALCON 9 launch vehicle from the Air Force Western Test Range (AFWTR). 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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49157 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
297 kg wet, ~275 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: 2 days ago
TLE from 2 days ago
0 STARLINK-3051
1 49157U 21082AD 26171.28792706 .00006315 00000-0 44177-3 0 9998
2 49157 69.9988 10.3139 0001949 151.4631 208.6639 15.05749237263073Epoch: 2026-06-20T06:54Z
TLE epoch observation values (Epoch: 2026-06-20T06:54:36.897Z)
Latitude
-0.00004°
Longitude
-1.84456°
Altitude
552.823 km
Speed
7.585 km/s
True Right ascension
00h 41m 15s
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
21:38:15
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
548.498 km
Perigee altitude
545.799 km
Semi-major axis
6,925.285 km
Eccentricity
0.00019
Inclination
69.9988°
RAAN
10.3139°
Arg. of periapsis
151.4631°
True anomaly
208.65319°
Mean anomaly
208.6639°
Eccentric anomaly
208.65854°
Mean motion
3.76606 °/min
Orbital period
95.59 mins
BSTAR
0.00044177
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Other satellites on launch #82 in the year 2021 (2021-09-14 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-3051 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. |
|---|---|---|---|---|---|---|---|
| 4 mins | 2026-06-22 13:15:13.559Z | 135.649° SSE | 2026-06-22 13:17:13.559Z | 105.205° ESE | 14.243° | 2026-06-22 13:19:13.559Z | 73.584° E |
| 6 mins | 2026-06-22 14:52:13.559Z | 235.735° WSW | 2026-06-22 14:55:13.559Z | 316.89° NNW | 32.617° | 2026-06-22 14:58:13.559Z | 8.301° NNE |
| 5 mins | 2026-06-22 23:14:13.559Z | 10.607° NNE | 2026-06-22 23:16:13.559Z | 55.043° ENE | 26.568° | 2026-06-22 23:19:13.559Z | 115.785° SE |
| 4 mins | 2026-06-23 00:52:13.559Z | 288.019° WNW | 2026-06-23 00:54:13.559Z | 249.469° W | 19.11° | 2026-06-23 00:56:13.559Z | 214.839° SW |
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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