GLOBALSTAR M026, 25873
Orbit data source: Space-Track
GLOBALSTAR M026, 25873 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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25873 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: 4 hours ago
TLE from 4 hours ago
0 GLOBALSTAR M026
1 25873U 99041B 26260.32104964 -.00000035 00000-0 10595-2 0 9994
2 25873 51.9984 228.6434 0002588 299.5491 210.2204 11.06839410199108Epoch: 2026-09-17T07:42Z
TLE epoch observation values (Epoch: 2026-09-17T07:42:18.688Z)
Latitude
23.43718°
Longitude
-82.89885°
Altitude
2,129.474 km
Speed
6.848 km/s
True Right ascension
01h 55m 45s
True Declination
23° 19' 56"
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
04:17:51
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
2,129.512 km
Perigee altitude
2,125.109 km
Semi-major axis
8,505.448 km
Eccentricity
0.00026
Inclination
51.9984°
RAAN
228.6434°
Arg. of periapsis
299.5491°
True anomaly
210.20548°
Mean anomaly
210.2204°
Eccentric anomaly
210.21294°
Mean motion
2.76693 °/min
Orbital period
130.11 mins
BSTAR
0.0010595
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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 M026 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. |
|---|---|---|---|---|---|---|---|
| 14 mins | 2026-09-17 22:03:39.975Z | 153.666° SSE | 2026-09-17 22:10:39.975Z | 116.067° SE | 20.091° | 2026-09-17 22:17:39.975Z | 78.305° E |
| 22 mins | 2026-09-18 00:15:39.975Z | 214.814° SW | 2026-09-18 00:26:39.975Z | 122.923° SE | 71.868° | 2026-09-18 00:37:39.975Z | 54.534° ENE |
| 22 mins | 2026-09-18 02:33:39.975Z | 264.647° W | 2026-09-18 02:44:39.975Z | 343.495° N | 56.056° | 2026-09-18 02:55:39.975Z | 55.994° ENE |
| 22 mins | 2026-09-18 04:53:39.975Z | 298.351° NW | 2026-09-18 05:04:39.975Z | 12.349° NNE | 49.177° | 2026-09-18 05:15:39.975Z | 82.202° E |
| 23 mins | 2026-09-18 07:12:39.975Z | 307.692° NW | 2026-09-18 07:23:39.975Z | 56.082° ENE | 84.611° | 2026-09-18 07:35:39.975Z | 127.016° SE |
| 19 mins | 2026-09-18 09:30:39.975Z | 293.646° NW | 2026-09-18 09:39:39.975Z | 240.402° WSW | 34.333° | 2026-09-18 09:49:39.975Z | 180.95° SSW |
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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