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: 11 hours ago
TLE from 11 hours ago
0 RISAT-2BR1
1 44857U 19089F 25342.55728107 .00005285 00000-0 40811-3 0 9993
2 44857 36.9582 162.4452 0011671 66.2960 293.9006 15.01321952328531Epoch: 2025-12-08T13:22Z
TLE epoch observation values (Epoch: 2025-12-08T13:22:29.084Z)
Latitude
0.00001°
Longitude
-115.73057°
Altitude
558.668 km
Speed
7.586 km/s
True Right ascension
10h 49m 46s
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
22:12:38
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
573.833 km
Perigee altitude
557.625 km
Semi-major axis
6,943.866 km
Eccentricity
0.00117
Inclination
36.9582°
RAAN
162.4452°
Arg. of periapsis
66.296°
True anomaly
293.77826°
Mean anomaly
293.9006°
Eccentric anomaly
293.83944°
Mean motion
3.75095 °/min
Orbital period
95.98 mins
BSTAR
0.00040811
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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 | 2025-12-09 15:07:08.437Z | 195.289° SSW | 2025-12-09 15:10:08.437Z | 147.482° SSE | 17.477° | 2025-12-09 15:12:08.437Z | 115.47° SE |
| 6 mins | 2025-12-09 16:48:08.437Z | 230.539° WSW | 2025-12-09 16:50:08.437Z | 185.94° SSW | 34.497° | 2025-12-09 16:54:08.437Z | 96.903° ESE |
| 6 mins | 2025-12-09 18:29:08.437Z | 254.034° W | 2025-12-09 18:31:08.437Z | 207.845° SW | 38.726° | 2025-12-09 18:35:08.437Z | 107.549° ESE |
| 5 mins | 2025-12-09 20:10:08.437Z | 249.074° W | 2025-12-09 20:12:08.437Z | 207.194° SW | 27.131° | 2025-12-09 20:15:08.437Z | 144.869° 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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