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, 5.6 m
Radar Cross Section
5.587 m², Large (>1 m²)
Expand to show TLE details & historyLast TLE update: 10 hours ago
TLE from 10 hours ago
0 GLOBALSTAR M028
1 25875U 99041D 26260.07529576 -.00000078 00000-0 14298-3 0 9990
2 25875 51.9612 270.6777 0063343 343.9497 15.9357 12.50604413247343Epoch: 2026-09-17T01:48Z
TLE epoch observation values (Epoch: 2026-09-17T01:48:25.553Z)
Latitude
-0.00005°
Longitude
-112.44655°
Altitude
1,414.914 km
Speed
7.176 km/s
True Right ascension
18h 02m 42s
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
04:15:31
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
1,512.027 km
Perigee altitude
1,412.699 km
Semi-major axis
7,840.5 km
Eccentricity
0.00633
Inclination
51.9612°
RAAN
270.6777°
Arg. of periapsis
343.9497°
True anomaly
16.13652°
Mean anomaly
15.9357°
Eccentric anomaly
16.03596°
Mean motion
3.12628 °/min
Orbital period
115.15 mins
BSTAR
0.00014298
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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. |
|---|---|---|---|---|---|---|---|
| 15 mins | 2026-09-17 12:00:20.133Z | 294.833° NW | 2026-09-17 12:08:20.133Z | 231.098° WSW | 35.981° | 2026-09-17 12:15:20.133Z | 174.879° S |
| 5 mins | 2026-09-18 00:58:20.133Z | 131.721° SE | 2026-09-18 01:00:20.133Z | 117.104° SE | 13.652° | 2026-09-18 01:03:20.133Z | 95.722° ESE |
| 16 mins | 2026-09-18 02:52:20.133Z | 209.478° SW | 2026-09-18 02:59:20.133Z | 146.297° SSE | 60.786° | 2026-09-18 03:08:20.133Z | 56.721° ENE |
| 16 mins | 2026-09-18 04:53:20.133Z | 261.177° W | 2026-09-18 05:01:20.133Z | 345.138° N | 53.476° | 2026-09-18 05:09:20.133Z | 51.112° ENE |
| 14 mins | 2026-09-18 06:57:20.133Z | 302.055° NW | 2026-09-18 07:03:20.133Z | 357.315° N | 38.143° | 2026-09-18 07:11:20.133Z | 65.532° ENE |
| 15 mins | 2026-09-18 08:59:20.133Z | 312.937° NW | 2026-09-18 09:06:20.133Z | 28.37° NE | 56.904° | 2026-09-18 09:14:20.133Z | 102.57° ESE |
| 15 mins | 2026-09-18 11:00:20.133Z | 299.374° NW | 2026-09-18 11:07:20.133Z | 228.219° WSW | 57.931° | 2026-09-18 11:15:20.133Z | 153.237° SSE |
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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