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, 1.0 m
Radar Cross Section
0.135 m², Medium (>0.1 m² and < 1m²)
Expand to show TLE details & historyLast TLE update: 2 weeks ago
TLE from 2 weeks ago
0 TUBSAT
1 25757U 99029B 25351.55706930 .00000105 00000-0 37650-4 0 9997
2 25757 98.6566 336.2196 0014200 177.8976 182.2281 14.52359578406889Epoch: 2025-12-17T13:22Z
TLE epoch observation values (Epoch: 2025-12-17T13:22:10.787Z)
Latitude
0.00001°
Longitude
49.24943°
Altitude
730.984 km
Speed
7.484 km/s
True Right ascension
22h 24m 52s
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
10:02:55
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
725.138 km
Perigee altitude
704.993 km
Semi-major axis
7,093.202 km
Eccentricity
0.00142
Inclination
98.6566°
RAAN
336.2196°
Arg. of periapsis
177.8976°
True anomaly
182.22178°
Mean anomaly
182.2281°
Eccentric anomaly
182.22494°
Mean motion
3.63312 °/min
Orbital period
99.09 mins
BSTAR
0.00003765
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Other satellites on launch #29 in the year 1999 (1999-05-26 UTC)
Did you know?
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. |
|---|---|---|---|---|---|---|---|
| 6 mins | 2026-01-01 11:07:03.905Z | 54.024° ENE | 2026-01-01 11:10:03.905Z | 100.429° ESE | 19.713° | 2026-01-01 11:13:03.905Z | 141.574° SSE |
| 7 mins | 2026-01-01 12:45:03.905Z | 346.688° N | 2026-01-01 12:48:03.905Z | 283.241° WNW | 31.705° | 2026-01-01 12:52:03.905Z | 223.538° SW |
| 6 mins | 2026-01-01 22:15:03.905Z | 105.966° ESE | 2026-01-01 22:17:03.905Z | 72.445° E | 23.127° | 2026-01-01 22:21:03.905Z | 13.451° NNE |
| 7 mins | 2026-01-01 23:52:03.905Z | 206.435° SW | 2026-01-01 23:55:03.905Z | 259.23° W | 28.844° | 2026-01-01 23:59:03.905Z | 324.205° NNW |
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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