TMSAT, 25396
Orbit data source: Space-Track
TMSAT, 25396 is a payload satellite owned by TMSAT (TH) in SSO that was launched on Fri, 10 Jul 1998 UTC via a ZENIT-2 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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25396 intel report (Beta)
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Edit Public Description
Identifier
Orbit
Country
Unknown / THAIRelated business
Manufacturer
SSTL
Mission
Non-operational Defense Com/Imaging
Bus & Motor
UOSAT, Unknown motor
Mass
50 kg wet, 50 kg dry
Launch date (UTC)
Launch vehicle
Launch site
Object type
Shape & HBR
Box + 1 Ant, 3.5 m
Radar Cross Section
0.620 m², Medium (>0.1 m² and < 1m²)
Expand to show TLE details & historyLast TLE update: 8 hours ago
TLE from 8 hours ago
0 TMSAT
1 25396U 98043C 25289.93440062 .00000339 00000-0 16265-3 0 9991
2 25396 98.9644 270.2382 0003347 129.3002 230.8474 14.25637546417334Epoch: 2025-10-16T22:25Z
TLE epoch observation values (Epoch: 2025-10-16T22:25:32.213Z)
Latitude
-0.00002°
Longitude
-91.83302°
Altitude
810.783 km
Speed
7.447 km/s
True Right ascension
18h 00m 57s
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
01:37:34
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
805.917 km
Perigee altitude
801.11 km
Semi-major axis
7,181.65 km
Eccentricity
0.00033
Inclination
98.9644°
RAAN
270.2382°
Arg. of periapsis
129.3002°
True anomaly
230.81767°
Mean anomaly
230.8474°
Eccentric anomaly
230.83253°
Mean motion
3.56621 °/min
Orbital period
100.95 mins
BSTAR
0.00016265
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Other satellites on launch #43 in the year 1998 (1998-07-10 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.TMSAT 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. |
|---|---|---|---|---|---|---|---|
| 8 mins | 2025-10-17 10:48:54.741Z | 43.339° NE | 2025-10-17 10:52:54.741Z | 101° ESE | 24.277° | 2025-10-17 10:56:54.741Z | 152.227° SSE |
| 8 mins | 2025-10-17 12:28:54.741Z | 349.5° N | 2025-10-17 12:32:54.741Z | 279.658° WNW | 30.113° | 2025-10-17 12:36:54.741Z | 228.045° WSW |
| 8 mins | 2025-10-17 22:08:54.741Z | 131.15° SE | 2025-10-17 22:11:54.741Z | 83.208° E | 33.312° | 2025-10-17 22:16:54.741Z | 1.874° NNE |
| 6 mins | 2025-10-17 23:49:54.741Z | 229.842° WSW | 2025-10-17 23:51:54.741Z | 259.331° W | 21.358° | 2025-10-17 23:55:54.741Z | 313.664° NW |
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 ascending order |
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CAUTION: Conjunctions in this section are generated from low-fidelity TLE screenings
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