Showing default

CAT 3, 12546

Orbit data source: Space-Track

CAT 3, 12546 is a payload satellite owned by ESA (ESA) in HEO that was launched on Fri, 19 Jun 1981 UTC via an ARIANE 1 launch vehicle from the French Guiana (FRGUI). 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.

Loading next visibility...
Last TLE update19 hours ago
ManufacturerAERIT/CNEST
MissionNon-operational Civil Technology
Bus & MotorCAT, Unknown motor
Mass266 kg wet, 266 kg dry
Shape & HBRCyl, 1.2 m
Radar Cross Section1.319 m², Large (>1 m²)

Expand to show TLE details & history

TLE from 19 hours ago
0 CAT 3
1 12546U 81057C   25091.26275828  .00001183  00000-0  46740-3 0  9993
2 12546  10.1341 247.7259 5675967  11.3440 357.3488  4.48370780395189
Epoch: 2025-04-01T06:18Z
Definitive object data (Epoch: 2025-04-01T06:18:22.315Z)
Latitude0.00008°
Longitude-36.75495°
Altitude390.933 km
Speed9.597 km/s
True Right ascension16h 30m 49s
True Declination0° 00' 00"
Sunlit
Object was in full shadow at TLE epoch
Visualization TLE readout
Latitude-4.4352°
Longitude168.1405°
Altitude17,152.962 km
Speed2.868 km/s
Apparent Right ascension05h 52m 16s
Apparent Declination-17° 20' 31"
Sunlit
Object is in daylight
Visualization observer readout
Local Sidereal Time07:21:13
Azimuth204.423° SW
Elevation29.104°
Doppler factor1
Orbital elements
Apogee altitude17,982.035 km
Perigee altitude341.333 km
Semi-major axis15,539.821 km
Eccentricity0.5675967
Inclination10.1341°
RAAN247.7259°
Arg. of periapsis11.344°
True anomaly348.38372°
Mean anomaly357.3488°
Eccentric anomaly353.88392°
Mean motion1.1204 °/min
BSTAR0.0004674
Orbital period321.31 mins
Loading maneuver chart data...
Loading historical data...
Loading historical data...
Loading historical data...
Loading historical data...
Loading historical data...
Loading historical data...
Loading historical data...

CAT 3 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.
86 mins2025-04-02 01:39:03.300Z204.409° SW2025-04-02 01:39:03.300Z204.409° SW25.921°2025-04-02 03:05:03.300Z161.188° S
227 mins2025-04-02 20:17:03.300Z235.12° WSW2025-04-02 21:03:03.300Z179.223° S32.24°2025-04-03 00:04:03.300Z136.742° SSE
|