RISAT-2BR1, 44857
Orbit data source: Space-Track
RISAT-2BR1, 44857 is a payload satellite owned by ISRO (IN) in LEO that was launched on Wed, 11 Dec 2019 UTC via a PSLV-QL 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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44857 intel report (Beta)
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Edit Public Description
Identifier
Orbit
Country
IN / INDRelated business
Manufacturer
ISRO
Mission
Operational Civil Radar Imaging
Bus & Motor
TECHSAR, Unknown motor
Mass
628 kg wet, 628 kg dry
Launch date (UTC)
Launch vehicle
Launch site
Object type
Shape & HBR
Hex Cyl + 2 Pan + 1 Dish, Unknown HBR
Radar Cross Section
2.910 m², Large (>1 m²)
Expand to show TLE details & historyLast TLE update: 8 hours ago
TLE from 8 hours ago
0 RISAT-2BR1
1 44857U 19089F 25295.86012563 .00005304 00000-0 41570-3 0 9991
2 44857 36.9596 79.2821 0012295 48.0606 312.1182 15.00749352321516Epoch: 2025-10-22T20:38Z
TLE epoch observation values (Epoch: 2025-10-22T20:38:34.854Z)
Latitude
-0.00003°
Longitude
98.10916°
Altitude
557.99 km
Speed
7.588 km/s
True Right ascension
05h 17m 07s
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
23:59:52
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
576.033 km
Perigee altitude
558.954 km
Semi-major axis
6,945.63 km
Eccentricity
0.00123
Inclination
36.9596°
RAAN
79.2821°
Arg. of periapsis
48.0606°
True anomaly
312.01359°
Mean anomaly
312.1182°
Eccentric anomaly
312.0659°
Mean motion
3.74952 °/min
Orbital period
96.01 mins
BSTAR
0.0004157
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Other satellites on launch #89 in the year 2019 (2019-12-11 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.RISAT-2BR1 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. |
|---|---|---|---|---|---|---|---|
| 5 mins | 2025-10-23 12:48:52.519Z | 195.758° SSW | 2025-10-23 12:51:52.519Z | 148.708° SSE | 17.43° | 2025-10-23 12:53:52.519Z | 116.365° SE |
| 6 mins | 2025-10-23 14:29:52.519Z | 231.285° WSW | 2025-10-23 14:32:52.519Z | 146.114° SSE | 34.127° | 2025-10-23 14:35:52.519Z | 97.43° ESE |
| 6 mins | 2025-10-23 16:10:52.519Z | 255.027° W | 2025-10-23 16:13:52.519Z | 154.731° SSE | 38.32° | 2025-10-23 16:16:52.519Z | 107.949° ESE |
| 6 mins | 2025-10-23 17:51:52.519Z | 251.405° W | 2025-10-23 17:53:52.519Z | 212.659° SW | 26.995° | 2025-10-23 17:57:52.519Z | 138.072° SSE |
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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