TUBSAT, 25757
Orbit data source: Space-Track
TUBSAT, 25757 is a payload satellite owned by DLR (DE) in SSO that was launched on Wed, 26 May 1999 UTC via a PSLV launch vehicle from the Sirharikota (SRI). 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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25757 intel report (Beta)
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Edit Public Description
Identifier
Orbit
Country
DE / GERRelated business
Manufacturer
TUB
Mission
Operational Civil Imaging
Bus & Motor
TUBSAT, Unknown motor
Mass
45 kg wet, 45 kg dry
Launch date (UTC)
Launch vehicle
Launch site
Object type
Shape & HBR
Box, 0.1 m
Radar Cross Section
0.135 m², Medium (>0.1 m² and < 1m²)
Expand to show TLE details & historyLast TLE update: 9 hours ago
TLE from 9 hours ago
0 TUBSAT
1 25757U 99029B 25259.51365229 .00000133 00000-0 44528-4 0 9995
2 25757 98.6469 241.3712 0015390 101.4884 258.8040 14.52303817393527Epoch: 2025-09-16T12:19Z
TLE epoch observation values (Epoch: 2025-09-16T12:19:39.557Z)
Latitude
-0.00001°
Longitude
60.75351°
Altitude
723.232 km
Speed
7.493 km/s
True Right ascension
16h 05m 29s
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
14:00:45
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
726.163 km
Perigee altitude
704.33 km
Semi-major axis
7,093.383 km
Eccentricity
0.00154
Inclination
98.6469°
RAAN
241.3712°
Arg. of periapsis
101.4884°
True anomaly
258.63106°
Mean anomaly
258.804°
Eccentric anomaly
258.71753°
Mean motion
3.63298 °/min
Orbital period
99.09 mins
BSTAR
0.000044528
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Other satellites on launch #29 in the year 1999 (1999-05-26 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.TUBSAT 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. |
|---|---|---|---|---|---|---|---|
| 9 mins | 2025-09-16 22:21:56.459Z | 143.946° SSE | 2025-09-16 22:26:56.459Z | 51.941° ENE | 35.379° | 2025-09-16 22:30:56.459Z | 358.929° N |
| 4 mins | 2025-09-17 00:02:56.459Z | 241.114° WSW | 2025-09-17 00:04:56.459Z | 270.972° WNW | 16.607° | 2025-09-17 00:06:56.459Z | 299.051° NW |
| 7 mins | 2025-09-17 12:03:56.459Z | 1.686° NNE | 2025-09-17 12:06:56.459Z | 271.58° WNW | 41.956° | 2025-09-17 12:10:56.459Z | 206.682° SW |
Co-orbital & Co-planar RSOs
Thresholds — Semi-major Axis: ±100 km, RAAN: ±3°, Inclination: ±5°
TCA is derived from TLE conjunctions
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CAUTION: Conjunctions in this section are generated from low-fidelity TLE screenings
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