STARLINK-2742, 48688
Orbit data source: Space-Track
STARLINK-2742, 48688 is a payload satellite owned by SpaceX/Seattle (US) in LEO that was launched on Wed, 26 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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48688 intel report (Beta)
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Edit Public Description
Identifier
Orbit
Country
USRelated business
Manufacturer
SpaceX/Seattle
Mission
Operational Commercial Communications
Bus & Motor
STARLINK, Unknown motor
Mass
260 kg wet, ~248 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 day ago
TLE from 1 day ago
0 STARLINK-2742
1 48688U 21044BC 25348.69615259 .00006924 00000-0 48329-3 0 9990
2 48688 53.0534 88.1689 0001516 71.2135 288.9018 15.06397329251669Epoch: 2025-12-14T16:42Z
TLE epoch observation values (Epoch: 2025-12-14T16:42:27.583Z)
Latitude
-0.00007°
Longitude
113.94856°
Altitude
547.759 km
Speed
7.59 km/s
True Right ascension
05h 52m 40s
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
17:04:32
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
548.541 km
Perigee altitude
546.441 km
Semi-major axis
6,925.628 km
Eccentricity
0.00015
Inclination
53.0534°
RAAN
88.1689°
Arg. of periapsis
71.2135°
True anomaly
288.88536°
Mean anomaly
288.9018°
Eccentric anomaly
288.89358°
Mean motion
3.76578 °/min
Orbital period
95.6 mins
BSTAR
0.00048329
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Other satellites on launch #44 in the year 2021 (2021-05-26 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-2742 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. |
|---|---|---|---|---|---|---|---|
| 7 mins | 2025-12-16 08:40:21.468Z | 205.018° SW | 2025-12-16 08:43:21.468Z | 154.385° SSE | 34.554° | 2025-12-16 08:47:21.468Z | 62.723° ENE |
| 5 mins | 2025-12-16 10:21:21.468Z | 284.259° WNW | 2025-12-16 10:23:21.468Z | 329.754° NNW | 26.837° | 2025-12-16 10:26:21.468Z | 29.065° NE |
| 4 mins | 2025-12-16 13:43:21.468Z | 348.45° N | 2025-12-16 13:45:21.468Z | 22.452° NNE | 15.253° | 2025-12-16 13:47:21.468Z | 52.279° ENE |
| 6 mins | 2025-12-16 15:22:21.468Z | 324.42° NNW | 2025-12-16 15:25:21.468Z | 41.375° NE | 36.524° | 2025-12-16 15:28:21.468Z | 105.83° ESE |
| 5 mins | 2025-12-16 17:02:21.468Z | 272.972° WNW | 2025-12-16 17:04:21.468Z | 234.575° WSW | 22.222° | 2025-12-16 17:07:21.468Z | 180.5° SSW |
Co-orbital & Co-planar RSOs
Thresholds — Semi-major Axis: ±100 km, RAAN: ±3°, Inclination: ±5°
TCA is derived from TLE conjunctions
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CAUTION: Conjunctions in this section are generated from low-fidelity TLE screenings
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