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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Identifier
Orbit
Country
US / 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, 6.3 m
Radar Cross Section
5.587 m², Large (>1 m²)
Expand to show TLE details & historyLast TLE update: 8 hours ago
TLE from 8 hours ago
0 GLOBALSTAR M023
1 25621U 99004A 26271.18657247 -.00000071 00000-0 18080-3 0 9995
2 25621 52.0101 68.3291 0010609 82.6541 88.7692 12.62535533274848Epoch: 2026-09-28T04:28Z
TLE epoch observation values (Epoch: 2026-09-28T04:28:39.861Z)
Latitude
6.62251°
Longitude
169.01674°
Altitude
1,412.398 km
Speed
7.156 km/s
True Right ascension
16h 12m 36s
True Declination
6° 35' 12"
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
05:27:23
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
1,421.153 km
Perigee altitude
1,404.622 km
Semi-major axis
7,791.024 km
Eccentricity
0.00106
Inclination
52.0101°
RAAN
68.3291°
Arg. of periapsis
82.6541°
True anomaly
88.89075°
Mean anomaly
88.7692°
Eccentric anomaly
88.82997°
Mean motion
3.1561 °/min
Orbital period
114.06 mins
BSTAR
0.0001808
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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. |
|---|---|---|---|---|---|---|---|
| 16 mins | 2026-09-28 13:12:45.078Z | 220.545° SW | 2026-09-28 13:20:45.078Z | 128.129° SE | 75.784° | 2026-09-28 13:28:45.078Z | 54.507° ENE |
| 15 mins | 2026-09-28 15:13:45.078Z | 270.192° WNW | 2026-09-28 15:20:45.078Z | 336.799° NNW | 46.902° | 2026-09-28 15:28:45.078Z | 51.076° ENE |
| 14 mins | 2026-09-28 17:15:45.078Z | 303.879° NW | 2026-09-28 17:22:45.078Z | 9.528° NNE | 37.355° | 2026-09-28 17:29:45.078Z | 69.189° E |
| 15 mins | 2026-09-28 19:16:45.078Z | 312.306° NW | 2026-09-28 19:23:45.078Z | 33.328° NE | 62.948° | 2026-09-28 19:31:45.078Z | 110.156° ESE |
| 14 mins | 2026-09-28 21:16:45.078Z | 295.085° NW | 2026-09-28 21:22:45.078Z | 238.956° WSW | 46.274° | 2026-09-28 21:30:45.078Z | 161.698° 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 descending order |
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CAUTION: Conjunctions in this section are generated from low-fidelity TLE screenings
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