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: 8 hours ago
TLE from 8 hours ago
0 GLOBALSTAR M028
1 25875U 99041D 26307.78938635 -.00000081 00000-0 12965-3 0 9993
2 25875 51.9595 128.3923 0064513 87.4848 273.3397 12.50606362253318Epoch: 2026-11-03T18:56Z
TLE epoch observation values (Epoch: 2026-11-03T18:56:42.980Z)
Latitude
0.00003°
Longitude
161.16623°
Altitude
1,460.012 km
Speed
7.135 km/s
True Right ascension
08h 33m 34s
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
22:51:49
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
1,512.937 km
Perigee altitude
1,411.774 km
Semi-major axis
7,840.492 km
Eccentricity
0.00645
Inclination
51.9595°
RAAN
128.3923°
Arg. of periapsis
87.4848°
True anomaly
272.60136°
Mean anomaly
273.3397°
Eccentric anomaly
272.97056°
Mean motion
3.12628 °/min
Orbital period
115.15 mins
BSTAR
0.00012965
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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. |
|---|---|---|---|---|---|---|---|
| 6 mins | 2026-11-04 12:19:47.202Z | 140.952° SSE | 2026-11-04 12:22:47.202Z | 120.503° SE | 12.791° | 2026-11-04 12:25:47.202Z | 99.193° ESE |
| 15 mins | 2026-11-04 14:15:47.202Z | 206.737° SW | 2026-11-04 14:22:47.202Z | 130.218° SE | 59.019° | 2026-11-04 14:30:47.202Z | 57.726° ENE |
| 15 mins | 2026-11-04 16:16:47.202Z | 261.368° W | 2026-11-04 16:23:47.202Z | 335.808° NNW | 54.447° | 2026-11-04 16:31:47.202Z | 50.378° ENE |
| 14 mins | 2026-11-04 18:19:47.202Z | 299.71° NW | 2026-11-04 18:25:47.202Z | 352.902° N | 36.844° | 2026-11-04 18:33:47.202Z | 64.3° ENE |
| 15 mins | 2026-11-04 20:21:47.202Z | 312.159° NW | 2026-11-04 20:28:47.202Z | 24.238° NE | 54.433° | 2026-11-04 20:36:47.202Z | 101.162° ESE |
| 15 mins | 2026-11-04 22:22:47.202Z | 300.481° NW | 2026-11-04 22:29:47.202Z | 229.75° WSW | 59.062° | 2026-11-04 22:37:47.202Z | 151.26° SSE |
| 5 mins | 2026-11-05 00:27:47.202Z | 253.917° W | 2026-11-05 00:29:47.202Z | 239.491° WSW | 12.813° | 2026-11-05 00:32:47.202Z | 219.039° SW |
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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