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: 12 hours ago
TLE from 12 hours ago
0 ALSAT 1B
1 41785U 16059C 25310.23563346 .00000587 00000-0 10096-3 0 9998
2 41785 97.7839 323.5969 0008411 215.9590 144.1053 14.72006322487770Epoch: 2025-11-06T05:39Z
TLE epoch observation values (Epoch: 2025-11-06T05:39:18.730Z)
Latitude
-0.00003°
Longitude
-166.92799°
Altitude
662.479 km
Speed
7.523 km/s
True Right ascension
21h 34m 23s
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
14:09:34
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
657.63 km
Perigee altitude
645.804 km
Semi-major axis
7,029.854 km
Eccentricity
0.00084
Inclination
97.7839°
RAAN
323.5969°
Arg. of periapsis
215.959°
True anomaly
144.16176°
Mean anomaly
144.1053°
Eccentric anomaly
144.13354°
Mean motion
3.68234 °/min
Orbital period
97.76 mins
BSTAR
0.00010096
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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 | 2025-11-06 23:46:12.996Z | 93.551° ESE | 2025-11-06 23:48:12.996Z | 66.155° ENE | 14.006° | 2025-11-06 23:50:12.996Z | 37.873° NE |
| 6 mins | 2025-11-07 01:22:12.996Z | 190.739° SSW | 2025-11-07 01:24:12.996Z | 233.628° WSW | 38.494° | 2025-11-07 01:28:12.996Z | 335.369° NNW |
| 6 mins | 2025-11-07 13:15:12.996Z | 48.987° ENE | 2025-11-07 13:17:12.996Z | 89.805° E | 27.696° | 2025-11-07 13:21:12.996Z | 158.61° S |
| 5 mins | 2025-11-07 14:52:12.996Z | 326.44° NNW | 2025-11-07 14:54:12.996Z | 289.891° WNW | 21.352° | 2025-11-07 14:57:12.996Z | 243.835° WSW |
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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