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, 2.5 m
Radar Cross Section
2.910 m², Large (>1 m²)
Expand to show TLE details & historyLast TLE update: 13 hours ago
TLE from 13 hours ago
0 RISAT-2BR1
1 44857U 19089F 26206.52514309 .00002336 00000-0 18461-3 0 9997
2 44857 36.9597 244.1887 0009353 139.7583 220.3853 15.01198663362968Epoch: 2026-07-25T12:36Z
TLE epoch observation values (Epoch: 2026-07-25T12:36:12.362Z)
Latitude
-0.00002°
Longitude
111.90099°
Altitude
567.269 km
Speed
7.577 km/s
True Right ascension
16h 16m 45s
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
15:20:39
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
572.603 km
Perigee altitude
559.613 km
Semi-major axis
6,944.245 km
Eccentricity
0.00094
Inclination
36.9597°
RAAN
244.1887°
Arg. of periapsis
139.7583°
True anomaly
220.31592°
Mean anomaly
220.3853°
Eccentric anomaly
220.3506°
Mean motion
3.75064 °/min
Orbital period
95.98 mins
BSTAR
0.00018461
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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. |
|---|---|---|---|---|---|---|---|
| 6 mins | 2026-07-26 06:23:57.920Z | 213.402° SW | 2026-07-26 06:26:57.920Z | 156.912° SSE | 25.843° | 2026-07-26 06:29:57.920Z | 103.231° ESE |
| 6 mins | 2026-07-26 08:04:57.920Z | 246.666° WSW | 2026-07-26 08:07:57.920Z | 161.396° S | 39.021° | 2026-07-26 08:10:57.920Z | 100.405° ESE |
| 6 mins | 2026-07-26 09:45:57.920Z | 258.387° W | 2026-07-26 09:48:57.920Z | 180.318° SSW | 36.184° | 2026-07-26 09:51:57.920Z | 120.602° SE |
| 4 mins | 2026-07-26 11:27:57.920Z | 234.545° WSW | 2026-07-26 11:29:57.920Z | 196.237° SSW | 18.926° | 2026-07-26 11:31:57.920Z | 164.242° S |
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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