GLOBALSTAR M028, 25875
Orbit data source: Space-Track
GLOBALSTAR M028, 25875 is a payload satellite owned by Globalstar (US) in LEO that was launched on Sun, 25 Jul 1999 UTC via a DELTA 7420-10C 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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25875 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: 17 hours ago
TLE from 17 hours ago
0 GLOBALSTAR M028
1 25875U 99041D 26301.87510183 -.00000085 00000-0 10124-3 0 9990
2 25875 51.9593 146.0297 0064475 74.6926 286.1050 12.50606242252571Epoch: 2026-10-28T21:00Z
TLE epoch observation values (Epoch: 2026-10-28T21:00:08.798Z)
Latitude
0.00004°
Longitude
153.77546°
Altitude
1,448.913 km
Speed
7.145 km/s
True Right ascension
09h 44m 07s
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
09:34:33
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
1,512.908 km
Perigee altitude
1,411.804 km
Semi-major axis
7,840.493 km
Eccentricity
0.00645
Inclination
51.9593°
RAAN
146.0297°
Arg. of periapsis
74.6926°
True anomaly
285.39359°
Mean anomaly
286.105°
Eccentric anomaly
285.74945°
Mean motion
3.12628 °/min
Orbital period
115.15 mins
BSTAR
0.00010124
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Other satellites on launch #41 in the year 1999 (1999-07-25 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.GLOBALSTAR M028 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. |
|---|---|---|---|---|---|---|---|
| 11 mins | 2026-10-29 14:22:21.042Z | 161.055° S | 2026-10-29 14:27:21.042Z | 123.371° SE | 20.657° | 2026-10-29 14:33:21.042Z | 78.091° E |
| 15 mins | 2026-10-29 16:20:21.042Z | 221.674° SW | 2026-10-29 16:27:21.042Z | 143.299° SSE | 78.338° | 2026-10-29 16:35:21.042Z | 54.317° ENE |
| 14 mins | 2026-10-29 18:22:21.042Z | 273.867° WNW | 2026-10-29 18:29:21.042Z | 348.816° N | 45.785° | 2026-10-29 18:36:21.042Z | 50.369° ENE |
| 14 mins | 2026-10-29 20:25:21.042Z | 306.65° NW | 2026-10-29 20:31:21.042Z | 2.381° NNE | 38.015° | 2026-10-29 20:39:21.042Z | 72.336° E |
| 16 mins | 2026-10-29 22:26:21.042Z | 310.57° NW | 2026-10-29 22:34:21.042Z | 47.611° ENE | 65.83° | 2026-10-29 22:42:21.042Z | 113.465° SE |
| 14 mins | 2026-10-30 00:28:21.042Z | 292.364° WNW | 2026-10-30 00:34:21.042Z | 234.332° WSW | 42.915° | 2026-10-30 00:42:21.042Z | 164.658° 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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