STARLINK-33642, 63978
Orbit data source: Space-Track
STARLINK-33642, 63978 is a payload satellite owned by SpaceX/Seattle (US) in LEO that was launched on Tue, 13 May 2025 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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63978 intel report (Beta)
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Identifier
Orbit
Country
USRelated business
Manufacturer
SpaceX/Seattle
Mission
Operational Commercial Communications
Bus & Motor
STARLINK V2MO, Unknown motor
Mass
575 kg wet, ~530 kg dry
Launch date (UTC)
Launch vehicle
Launch site
Object type
Shape & HBR
Box + 2 Pan, 17.7 m
Radar Cross Section
36.964 m², Large (>1 m²)
Expand to show TLE details & historyLast TLE update: 23 hours ago
TLE from 23 hours ago
0 STARLINK-33642
1 63978U 25099AC 26093.51444002 .00040576 00000-0 14750-2 0 9999
2 63978 42.9992 32.4870 0001537 28.9385 331.1552 15.27601512 51089Epoch: 2026-04-03T12:20Z
TLE epoch observation values (Epoch: 2026-04-03T12:20:47.617Z)
Latitude
-0°
Longitude
15.44112°
Altitude
481.836 km
Speed
7.627 km/s
True Right ascension
02h 09m 56s
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
17:32:54
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
485.985 km
Perigee altitude
483.875 km
Semi-major axis
6,863.067 km
Eccentricity
0.00015
Inclination
42.9992°
RAAN
32.487°
Arg. of periapsis
28.9385°
True anomaly
331.1467°
Mean anomaly
331.1552°
Eccentric anomaly
331.15095°
Mean motion
3.81738 °/min
Orbital period
94.31 mins
BSTAR
0.001475
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Other satellites on launch #99 in the year 2025 (2025-05-13 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-33642 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 | 2026-04-04 23:05:09.010Z | 224.355° SW | 2026-04-04 23:08:09.010Z | 148.233° SSE | 36.336° | 2026-04-04 23:11:09.010Z | 81.027° E |
| 5 mins | 2026-04-05 00:45:09.010Z | 278.401° WNW | 2026-04-05 00:47:09.010Z | 4.875° NNE | 40.721° | 2026-04-05 00:50:09.010Z | 69.594° E |
| 5 mins | 2026-04-05 02:24:09.010Z | 296.701° NW | 2026-04-05 02:26:09.010Z | 4.505° NNE | 39.982° | 2026-04-05 02:29:09.010Z | 85.344° E |
| 5 mins | 2026-04-05 04:03:09.010Z | 274.553° WNW | 2026-04-05 04:05:09.010Z | 206.326° SW | 39.4° | 2026-04-05 04:08:09.010Z | 129.62° SE |
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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