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.
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41785 intel report (Beta)
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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: 5 hours ago
TLE from 5 hours ago
0 ALSAT 1B
1 41785U 16059C 25288.95901657 .00000764 00000-0 12929-3 0 9996
2 41785 97.7857 303.2303 0008011 295.6191 64.4189 14.71975499484641Epoch: 2025-10-15T23:00Z
TLE epoch observation values (Epoch: 2025-10-15T23:00:59.031Z)
Latitude
-0.00001°
Longitude
-66.74128°
Altitude
655.353 km
Speed
7.531 km/s
True Right ascension
20h 12m 55s
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
22:27:43
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
657.447 km
Perigee altitude
646.183 km
Semi-major axis
7,029.952 km
Eccentricity
0.0008
Inclination
97.7857°
RAAN
303.2303°
Arg. of periapsis
295.6191°
True anomaly
64.50174°
Mean anomaly
64.4189°
Eccentric anomaly
64.46031°
Mean motion
3.68226 °/min
Orbital period
97.77 mins
BSTAR
0.00012929
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Other satellites on launch #59 in the year 2016 (2016-09-26 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.ALSAT 1B 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. |
|---|---|---|---|---|---|---|---|
| 4 mins | 2025-10-16 12:40:30.956Z | 63.547° ENE | 2025-10-16 12:42:30.956Z | 90.35° ESE | 12.797° | 2025-10-16 12:44:30.956Z | 117.324° SE |
| 7 mins | 2025-10-16 14:16:30.956Z | 358.914° N | 2025-10-16 14:19:30.956Z | 296.096° NW | 39.45° | 2025-10-16 14:23:30.956Z | 210.508° SW |
| 6 mins | 2025-10-17 01:15:30.956Z | 179.418° S | 2025-10-17 01:17:30.956Z | 214.051° SW | 41.893° | 2025-10-17 01:21:30.956Z | 341.061° N |
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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