GLOBALSTAR M023, 25621
Orbit data source: Space-Track
GLOBALSTAR M023, 25621 is a payload satellite owned by Globalstar (US) in LEO that was launched on Tue, 09 Feb 1999 UTC via a SOYUZ-U-PVB launch vehicle from the Tyuratam Missile And Space Complex (TTMTR). 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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25621 intel report (Beta)
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Edit Public Description
Identifier
Orbit
Country
Unknown / GLOBRelated business
Manufacturer
SS/Loral
Mission
Non-operational Commercial Communications
Bus & Motor
LS-400, LS-400 AOCS
Mass
450 kg wet, 380 kg dry
Launch date (UTC)
Launch vehicle
Launch site
Object type
Shape & HBR
Box + 2 Pan, 6.0 m
Radar Cross Section
5.587 m², Large (>1 m²)
Expand to show TLE details & historyLast TLE update: 14 hours ago
TLE from 14 hours ago
0 GLOBALSTAR M023
1 25621U 99004A 25260.83018491 -.00000047 00000-0 31817-3 0 9992
2 25621 52.0093 131.3413 0010009 335.7538 103.9997 12.62506479227435Epoch: 2025-09-17T19:55Z
TLE epoch observation values (Epoch: 2025-09-17T19:55:27.976Z)
Latitude
51.01507°
Longitude
-90.73668°
Altitude
1,420.578 km
Speed
7.155 km/s
True Right ascension
13h 40m 31s
True Declination
50° 51' 40"
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
02:41:31
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
1,420.805 km
Perigee altitude
1,405.209 km
Semi-major axis
7,791.144 km
Eccentricity
0.001
Inclination
52.0093°
RAAN
131.3413°
Arg. of periapsis
335.7538°
True anomaly
104.11095°
Mean anomaly
103.9997°
Eccentric anomaly
104.05533°
Mean motion
3.15603 °/min
Orbital period
114.07 mins
BSTAR
0.00031817
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Other satellites on launch #4 in the year 1999 (1999-02-09 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.GLOBALSTAR M023 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. |
|---|---|---|---|---|---|---|---|
| 13 mins | 2025-09-18 16:30:42.820Z | 177.076° S | 2025-09-18 16:36:42.820Z | 127.209° SE | 26.504° | 2025-09-18 16:43:42.820Z | 69.741° E |
| 15 mins | 2025-09-18 18:28:42.820Z | 234.78° WSW | 2025-09-18 18:35:42.820Z | 290.645° WNW | 44.738° | 2025-09-18 18:43:42.820Z | 51.562° ENE |
| 15 mins | 2025-09-18 20:29:42.820Z | 281.134° WNW | 2025-09-18 20:36:42.820Z | 346.463° N | 33.414° | 2025-09-18 20:44:42.820Z | 54.947° ENE |
| 14 mins | 2025-09-18 22:31:42.820Z | 309.089° NW | 2025-09-18 22:38:42.820Z | 17.743° NNE | 32.959° | 2025-09-18 22:45:42.820Z | 78.331° E |
| 16 mins | 2025-09-19 00:31:42.820Z | 309.129° NW | 2025-09-19 00:38:42.820Z | 357.464° N | 44.283° | 2025-09-19 00:47:42.820Z | 123.509° SE |
| 13 mins | 2025-09-19 02:32:42.820Z | 285.66° WNW | 2025-09-19 02:38:42.820Z | 229.766° WSW | 28.058° | 2025-09-19 02:45:42.820Z | 175.841° S |
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 ascending order |
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CAUTION: Conjunctions in this section are generated from low-fidelity TLE screenings
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