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, Unknown HBR
Radar Cross Section
2.910 m², Large (>1 m²)
Expand to show TLE details & historyLast TLE update: 12 hours ago
TLE from 12 hours ago
0 RISAT-2BR1
1 44857U 19089F 26083.16240994 .00004320 00000-0 33075-3 0 9999
2 44857 36.9605 255.9765 0014636 209.1552 150.8374 15.01747376344417Epoch: 2026-03-24T03:53Z
TLE epoch observation values (Epoch: 2026-03-24T03:53:52.218Z)
Latitude
-0.00003°
Longitude
15.86487°
Altitude
569.502 km
Speed
7.574 km/s
True Right ascension
17h 03m 54s
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
20:50:43
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
574.579 km
Perigee altitude
554.257 km
Semi-major axis
6,942.555 km
Eccentricity
0.00146
Inclination
36.9605°
RAAN
255.9765°
Arg. of periapsis
209.1552°
True anomaly
150.919°
Mean anomaly
150.8374°
Eccentric anomaly
150.87821°
Mean motion
3.75201 °/min
Orbital period
95.95 mins
BSTAR
0.00033075
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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. |
|---|---|---|---|---|---|---|---|
| 8 mins | 2026-03-24 16:57:40.424Z | 250.224° W | 2026-03-24 17:01:40.424Z | 175.884° S | 39.011° | 2026-03-24 17:05:40.424Z | 97.061° ESE |
| 7 mins | 2026-03-24 18:39:40.424Z | 259.827° W | 2026-03-24 18:42:40.424Z | 190.541° SSW | 37.283° | 2026-03-24 18:46:40.424Z | 115.199° SE |
| 5 mins | 2026-03-24 20:21:40.424Z | 238.453° WSW | 2026-03-24 20:23:40.424Z | 199.569° SSW | 20.579° | 2026-03-24 20:26:40.424Z | 153.947° SSE |
| 6 mins | 2026-03-25 15:15:40.424Z | 216.753° SW | 2026-03-25 15:18:40.424Z | 148.101° SSE | 28.836° | 2026-03-25 15:21:40.424Z | 99.217° ESE |
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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