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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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, 1.1 m
Radar Cross Section
2.910 m², Large (>1 m²)
Expand to show TLE details & historyLast TLE update: 14 hours ago
TLE from 14 hours ago
0 RISAT-2BR1
1 44857U 19089F 26263.19453005 .00001538 00000-0 12458-3 0 9991
2 44857 36.9603 268.1469 0013232 236.4378 123.5101 15.00881374371480Epoch: 2026-09-20T04:40Z
TLE epoch observation values (Epoch: 2026-09-20T04:40:07.396Z)
Latitude
0.00001°
Longitude
-160.97611°
Altitude
568.379 km
Speed
7.576 km/s
True Right ascension
17h 52m 35s
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
11:37:13
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
576.276 km
Perigee altitude
557.896 km
Semi-major axis
6,945.223 km
Eccentricity
0.00132
Inclination
36.9603°
RAAN
268.1469°
Arg. of periapsis
236.4378°
True anomaly
123.63641°
Mean anomaly
123.5101°
Eccentric anomaly
123.57327°
Mean motion
3.74985 °/min
Orbital period
96 mins
BSTAR
0.00012458
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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 | 2026-09-21 03:13:02.276Z | 190.128° SSW | 2026-09-21 03:16:02.276Z | 145.739° SSE | 16.37° | 2026-09-21 03:18:02.276Z | 116.197° SE |
| 6 mins | 2026-09-21 04:54:02.276Z | 225.322° WSW | 2026-09-21 04:56:02.276Z | 181.023° SSW | 41.458° | 2026-09-21 05:00:02.276Z | 96.683° ESE |
| 6 mins | 2026-09-21 06:35:02.276Z | 253.135° W | 2026-09-21 06:37:02.276Z | 208.444° SW | 55.71° | 2026-09-21 06:41:02.276Z | 104.492° ESE |
| 6 mins | 2026-09-21 08:16:02.276Z | 252.232° W | 2026-09-21 08:18:02.276Z | 210.185° SW | 35.584° | 2026-09-21 08:22:02.276Z | 132.573° SE |
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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