STARLINK-3613, 51810
Orbit data source: Space-Track
STARLINK-3613, 51810 is a payload satellite owned by SpaceX/Seattle (US) in LEO that was launched on Fri, 25 Feb 2022 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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51810 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-3613
1 51810U 22017AU 26171.40798609 .00000376 00000-0 41698-4 0 9995
2 51810 53.1591 228.1054 0001087 87.1443 272.9673 15.08832854239583Epoch: 2026-06-20T09:47Z
TLE epoch observation values (Epoch: 2026-06-20T09:47:29.998Z)
Latitude
0.00001°
Longitude
172.60737°
Altitude
540.618 km
Speed
7.593 km/s
True Right ascension
15h 12m 25s
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
21:33:39
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
540.771 km
Perigee altitude
539.267 km
Semi-major axis
6,918.156 km
Eccentricity
0.00011
Inclination
53.1591°
RAAN
228.1054°
Arg. of periapsis
87.1443°
True anomaly
272.95486°
Mean anomaly
272.9673°
Eccentric anomaly
272.96108°
Mean motion
3.77188 °/min
Orbital period
95.44 mins
BSTAR
0.000041698
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Other satellites on launch #17 in the year 2022 (2022-02-25 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-3613 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 | 2026-06-22 11:31:38.080Z | 334.284° NNW | 2026-06-22 11:34:38.080Z | 30.458° NE | 22.62° | 2026-06-22 11:37:38.080Z | 80.455° E |
| 6 mins | 2026-06-22 13:11:38.080Z | 299.341° NW | 2026-06-22 13:13:38.080Z | 258.527° W | 40.622° | 2026-06-22 13:17:38.080Z | 143.196° SSE |
| 4 mins | 2026-06-23 04:43:38.080Z | 165.319° S | 2026-06-23 04:45:38.080Z | 123.814° SE | 21.445° | 2026-06-23 04:47:38.080Z | 86.511° E |
| 6 mins | 2026-06-23 06:21:38.080Z | 254.686° W | 2026-06-23 06:24:38.080Z | 331.256° NNW | 36.81° | 2026-06-23 06:27:38.080Z | 37.333° 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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