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.
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12546 intel report (Beta)
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Edit Public Description
Identifier | |
Orbit | HEO |
Last TLE update | 19 hours ago |
Origin | |
Manufacturer | AERIT/CNEST |
Mission | Non-operational Civil Technology |
Bus & Motor | CAT, Unknown motor |
Mass | 266 kg wet, 266 kg dry |
Launch date (UTC) | |
Launch vehicle | |
Launch site | |
Object type | Payload Rocket body Debris |
Shape & HBR | Cyl, 1.2 m |
Radar Cross Section | 1.319 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)
Latitude | 0.00008° |
Longitude | -36.75495° |
Altitude | 390.933 km |
Speed | 9.597 km/s |
True Right ascension | 16h 30m 49s |
True Declination | 0° 00' 00" |
Sunlit | Object was in full shadow at TLE epoch |
Visualization TLE readout
Latitude | -4.4352° |
Longitude | 168.1405° |
Altitude | 17,152.962 km |
Speed | 2.868 km/s |
Apparent Right ascension | 05h 52m 16s |
Apparent Declination | -17° 20' 31" |
Sunlit | Object is in daylight |
Visualization observer readout
Local Sidereal Time | 07:21:13 |
Azimuth | 204.423° SW |
Elevation | 29.104° |
Doppler factor | 1 |
Orbital elements
Apogee altitude | 17,982.035 km |
Perigee altitude | 341.333 km |
Semi-major axis | 15,539.821 km |
Eccentricity | 0.5675967 |
Inclination | 10.1341° |
RAAN | 247.7259° |
Arg. of periapsis | 11.344° |
True anomaly | 348.38372° |
Mean anomaly | 357.3488° |
Eccentric anomaly | 353.88392° |
Mean motion | 1.1204 °/min |
BSTAR | 0.0004674 |
Orbital period | 321.31 mins |
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Other satellites on launch #57 in the year 1981 (1981-06-19 UTC)
METEOSAT 2, 12544 |
APPLE, 12545 |
ARIANE 1 R/B, 12562 (Decayed) |
ARIANE 1 DEB, 14125 (Decayed) |
METEOSAT 2 AKM (MAGE 1), 20837 |
ARIANE 1 DEB, 48343 |
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. |
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86 mins | 2025-04-02 01:39:03.300Z | 204.409° SW | 2025-04-02 01:39:03.300Z | 204.409° SW | 25.921° | 2025-04-02 03:05:03.300Z | 161.188° S |
227 mins | 2025-04-02 20:17:03.300Z | 235.12° WSW | 2025-04-02 21:03:03.300Z | 179.223° S | 32.24° | 2025-04-03 00:04:03.300Z | 136.742° SSE |
Event ID | Pc | Md | Secondary | Secondary name | Country | Click to unsort rows by TCA header |
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