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 | 13 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 13 hours ago
0 EXPLORER 11
1 00107U 61013A 24258.72442025 .00007469 00000-0 93338-3 0 9991
2 00107 28.7917 36.0305 0515969 288.3060 66.2060 14.16657393185394Epoch: 2024-09-14T17:23Z
Definitive object data (Epoch: 2024-09-14T17:23:09.909Z)
| Latitude | -0.00003° |
| Longitude | 141.06114° |
| Altitude | 701.465 km |
| Speed | 7.577 km/s |
| True Right ascension | 02h 24m 07s |
| True Declination | 0° 00' 00" |
| Sunlit | Object was in full shadow at TLE epoch |
Predictive object data (real-time)
| Latitude | 8.99732° |
| Longitude | -58.60587° |
| Altitude | 1,072.749 km |
| Speed | 7.197 km/s |
| Apparent Right ascension | 12h 07m 47s |
| Apparent Declination | -14° 00' 37" |
| Sunlit | Object is in daylight |
Predictive observer data (real-time)
| Local Sidereal Time | 22:39:56 |
| Azimuth | 317.188° NNW |
| Elevation | -57.726° |
| Doppler factor | 1 |
Orbital elements
| Apogee | 1,213.15 km |
| Perigee | 468.213 km |
| Semi-major axis | 7,218.819 km |
| Eccentricity | 0.0515969 |
| Inclination | 28.7917° |
| RAAN | 36.0305° |
| Arg. of periapsis | 288.306° |
| True anomaly | 71.75169° |
| Mean anomaly | 66.206° |
| Eccentric anomaly | 68.96529° |
| Mean motion | 3.5387 °/min |
| BSTAR | 0.00093338 |
| Period | 101.73 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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