EXPLORER 11, 107
Orbit data source: Space-Track
EXPLORER 11, 107 is a payload satellite owned by GSFC (US) in LEO that was launched on Thu, 27 Apr 1961 UTC via a JUNO II launch vehicle from the Air Force Eastern Test Range (AFETR). Payloads include a variety of satellites, spacecraft, and rockets 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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EXPLORER 11 details
Identifier | |
Orbit | LEO |
Last TLE update | 11 hours ago |
Origin | |
Manufacturer | NASA MSFC |
Mission status | Unknown |
Mission | Civil Astronomy |
Bus & Motor | S-15, Unknown motor |
Mass | 45 kg wet, 40 kg dry |
Launch date (UTC) | |
Launch vehicle | |
Launch site | |
Object type | Payload Rocket body Debris |
Radar Cross Section | 0.47 m², Medium (>0.1 m² and < 1m²) |
Expand to show TLE details & history
TLE from 11 hours ago
0 EXPLORER 11
1 00107U 61013A 24251.60791034 .00007571 00000-0 94725-3 0 9993
2 00107 28.7884 76.7008 0516227 222.4088 133.5466 14.16558113184381
Epoch: 2024-09-07T14:35Z
Definitive object data (Epoch: 2024-09-07T14:35:23.453Z)
Latitude | -0.00001° |
Longitude | -129.31059° |
Altitude | 1,101.485 km |
Speed | 7.168 km/s |
True Right ascension | 05h 06m 48s |
True Declination | 0° 00' 00" |
Sunlit | Object was in daylight at TLE epoch |
Predictive object data (real-time)
Latitude | -24.15364° |
Longitude | 102.25146° |
Altitude | 475.233 km |
Speed | 7.821 km/s |
Apparent Right ascension | 23h 59m 09s |
Apparent Declination | -60° 49' 19" |
Sunlit | Object is in full shadow |
Predictive observer data (real-time)
Local Sidereal Time | 18:02:05 |
Azimuth | 144.109° SSE |
Elevation | -33.743° |
Doppler factor | 1 |
Orbital elements
Apogee | 1,213.692 km |
Perigee | 468.347 km |
Semi-major axis | 7,219.156 km |
Eccentricity | 0.0516227 |
Inclination | 28.7884° |
RAAN | 76.7008° |
Arg. of periapsis | 222.4088° |
True anomaly | 137.64798° |
Mean anomaly | 133.5466° |
Eccentric anomaly | 135.61547° |
Mean motion | 3.53845 °/min |
BSTAR | 0.00094725 |
Period | 101.74 mins |
No data available
Other satellites on launch #13 in the year 1961 (1961-04-27 UTC)
EXPLORER 11, 107 |
EXPLORER 11 DEB, 3739 (Decayed) |
EXPLORER 11 Visibility forecast
Observer location: 39.9160978°, -105.1181434
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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