ALSAT 1B, 41785
Orbit data source: Space-Track
ALSAT 1B, 41785 is a payload satellite owned by ASAL (DZ) in SSO that was launched on Mon, 26 Sep 2016 UTC via a PSLV 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.
Focus sentinelFocus sentinel
Request partner network tasking
Focus sentinelFocus sentinel
Embed this page
Focus sentinelFocus sentinel
41785 intel report (Beta)
Focus sentinelFocus sentinel
Create New Watchlist
Focus sentinelFocus sentinel
Edit Public Description
Identifier
Orbit
Country
DZ / ALGRelated business
Manufacturer
SSTL (Astrium)
Mission
Operational Civil Imaging
Bus & Motor
SSTL-100, Unknown motor
Mass
103 kg wet, 103 kg dry
Launch date (UTC)
Launch vehicle
Launch site
Object type
Shape & HBR
Box + 1 Ant, 3.3 m
Radar Cross Section
0.862 m², Medium (>0.1 m² and < 1m²)
Expand to show TLE details & historyLast TLE update: 8 hours ago
TLE from 8 hours ago
0 ALSAT 1B
1 41785U 16059C 25355.84600633 -.00000082 00000-0 -55839-5 0 9993
2 41785 97.7805 7.2427 0010821 78.0088 282.2332 14.72082624494485Epoch: 2025-12-21T20:18Z
TLE epoch observation values (Epoch: 2025-12-21T20:18:14.946Z)
Latitude
-0.00008°
Longitude
-27.97217°
Altitude
655.837 km
Speed
7.53 km/s
True Right ascension
00h 28m 58s
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
02:52:51
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
659.08 km
Perigee altitude
643.867 km
Semi-major axis
7,029.611 km
Eccentricity
0.00108
Inclination
97.7805°
RAAN
7.2427°
Arg. of periapsis
78.0088°
True anomaly
282.11198°
Mean anomaly
282.2332°
Eccentric anomaly
282.17259°
Mean motion
3.68253 °/min
Orbital period
97.76 mins
BSTAR
-0.0000055839
Loading maneuver chart data...
Computing Atmospheric mass density...
Loading historical data...
Loading historical data...
Loading historical data...
Loading historical data...
Loading historical data...
Loading historical data...
Loading historical data...
Other satellites on launch #59 in the year 2016 (2016-09-26 UTC)
Did you know?
You can import UDL-sourced sensor .json files into the Sandbox to generate a visibility chart that accounts for multi-vendor sensor geometry.ALSAT 1B Visibility forecast
Loading observer location...
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. |
|---|---|---|---|---|---|---|---|
| 7 mins | 2025-12-22 13:11:28.636Z | 33.087° NE | 2025-12-22 13:15:28.636Z | 103.457° ESE | 29.232° | 2025-12-22 13:18:28.636Z | 156.948° SSE |
| 4 mins | 2025-12-22 14:50:28.636Z | 318.06° NNW | 2025-12-22 14:51:28.636Z | 300.141° NW | 19.936° | 2025-12-22 14:54:28.636Z | 250.686° W |
| 6 mins | 2025-12-23 00:11:28.636Z | 114.848° SE | 2025-12-23 00:13:28.636Z | 78.198° E | 25.005° | 2025-12-23 00:17:28.636Z | 11.911° NNE |
| 5 mins | 2025-12-23 01:48:28.636Z | 224.776° SW | 2025-12-23 01:50:28.636Z | 262.071° W | 23.118° | 2025-12-23 01:53:28.636Z | 313.808° NW |
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 |
|---|
CAUTION: Conjunctions in this section are generated from low-fidelity TLE screenings
Authenticating...
Click to sort rows by Secondary header in ascending order | Click to sort rows by Secondary name header in ascending order | Click to sort rows by Country header in ascending order | Click to sort rows by Owner header in ascending order | Click to sort rows by Obj. Type header in ascending order | Click to sort rows by Miss dist. header in ascending order | Click to sort rows by Rel. speed header in ascending order | Click to sort rows by Apr. angle header in ascending order | Click to sort rows by TCA header in descending order |
|---|