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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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Identifier
41785, 2016-059C
Orbit
SSO
Last TLE update
7 hours ago
Origin
Manufacturer
SSTL (Astrium)
Mission
Operational Civil Imaging
Bus & Motor
SSTL-100, Unknown motor
Mass
103 kg wet, 103 kg dry
Launch date (UTC)
2016-09-26 (9 years ago)
Launch vehicle
PSLV
Launch site
Sirharikota (SRI)
Object type
Payload
Rocket body
Debris
Shape & HBR
Box + 1 Ant, 6.6 m
Radar Cross Section
0.862 m², Medium (>0.1 m² and < 1m²)

Expand to show TLE details & history

TLE from 7 hours ago
0 ALSAT 1B
1 41785U 16059C   25128.93024766  .00000594  00000-0  10249-3 0  9998
2 41785  97.7905 149.9764 0010915  86.6212 273.6244 14.71801829461106
Epoch: 2025-05-08T22:19Z
Definitive object data (Epoch: 2025-05-08T22:19:33.397Z)
Latitude
-0.00006°
Longitude
-51.90643°
Altitude
657.858 km
Speed
7.529 km/s
True Right ascension
09h 59m 54s
True Declination
0° 00' 00"
Sunlit
Object was in daylight at TLE epoch
Visualization TLE readout
Latitude
-30.28812°
Longitude
123.83335°
Altitude
671.079 km
Speed
7.518 km/s
Apparent Right ascension
23h 34m 32s
Apparent Declination
-39° 05' 12"
Sunlit
Object is in daylight
Visualization observer readout
Local Sidereal Time
13:56:59
Azimuth
99.873° ESE
Elevation
-62.694°
Doppler factor
1
Orbital elements
Apogee altitude
660.043 km
Perigee altitude
644.695 km
Semi-major axis
7,030.506 km
Eccentricity
0.0010915
Inclination
97.7905°
RAAN
149.9764°
Arg. of periapsis
86.6212°
True anomaly
273.49956°
Mean anomaly
273.6244°
Eccentric anomaly
273.56198°
Mean motion
3.68183 °/min
BSTAR
0.00010249
Orbital period
97.78 mins
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ALSAT 1B Visibility forecast

Observer location: undefined°, undefined°

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 mins2025-05-09 13:35:15.338Z35.111° NE2025-05-09 13:39:15.338Z107.325° ESE27.968°2025-05-09 13:42:15.338Z156.641° SSE
5 mins2025-05-09 15:13:15.338Z331.162° NNW2025-05-09 15:15:15.338Z297.708° NW20.805°2025-05-09 15:18:15.338Z248.175° W
6 mins2025-05-10 00:35:15.338Z113.32° SE2025-05-10 00:37:15.338Z77.253° E24.269°2025-05-10 00:41:15.338Z12.446° NNE
5 mins2025-05-10 02:12:15.338Z223.748° SW2025-05-10 02:14:15.338Z262.163° W23.996°2025-05-10 02:17:15.338Z314.754° NW
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