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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ALSAT 1B radio frequencies
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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: 11 hours ago
TLE from 11 hours ago
0 ALSAT 1B
1 41785U 16059C 25258.30080325 .00000505 00000-0 88102-4 0 9992
2 41785 97.7876 273.8750 0010203 37.5794 322.6125 14.71924195480134Epoch: 2025-09-15T07:13Z
TLE epoch observation values (Epoch: 2025-09-15T07:13:09.4Z)
Latitude
-0.00005°
Longitude
171.07841°
Altitude
652.246 km
Speed
7.535 km/s
True Right ascension
18h 15m 30s
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
11:10:53
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
659.152 km
Perigee altitude
644.806 km
Semi-major axis
7,030.116 km
Eccentricity
0.00102
Inclination
97.7876°
RAAN
273.875°
Arg. of periapsis
37.5794°
True anomaly
322.54144°
Mean anomaly
322.6125°
Eccentric anomaly
322.57697°
Mean motion
3.68213 °/min
Orbital period
97.77 mins
BSTAR
0.000088102
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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. |
|---|---|---|---|---|---|---|---|
| 7 mins | 2025-09-16 01:17:29.012Z | 175.816° S | 2025-09-16 01:20:29.012Z | 226.657° WSW | 43.006° | 2025-09-16 01:24:29.012Z | 342.014° N |
| 5 mins | 2025-09-16 13:11:29.012Z | 57.001° ENE | 2025-09-16 13:13:29.012Z | 94.969° ESE | 23.194° | 2025-09-16 13:16:29.012Z | 144.958° SSE |
| 6 mins | 2025-09-16 14:47:29.012Z | 340.888° N | 2025-09-16 14:50:29.012Z | 285.157° WNW | 25.599° | 2025-09-16 14:53:29.012Z | 236.18° 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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