VANGUARD 2, 11
Orbit data source: Space-Track
VANGUARD 2, 11 is a payload satellite owned by NASA BSC (US) in LEO that was launched on Tue, 17 Feb 1959 UTC via a VANGUARD 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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VANGUARD 2 details
| Identifier | |
| Orbit | LEO |
| Last TLE update | 1 day ago |
| Origin | |
| Manufacturer | NRL |
| Mission status | Unknown |
| Mission | Civil Imaging |
| Bus & Motor | NRL 20", Unknown motor |
| Mass | 10 kg wet, 10 kg dry |
| Launch date (UTC) | |
| Launch vehicle | |
| Launch site | |
| Object type | Payload Rocket body Debris |
| Radar Cross Section | 0.39 m², Medium (>0.1 m² and < 1m²) |
Expand to show TLE details & history
TLE from 1 day ago
0 VANGUARD 2
1 00011U 59001A 24250.53096704 .00001727 00000-0 90154-3 0 9993
2 00011 32.8753 17.2907 1454649 329.6988 22.6761 11.88691220458195Epoch: 2024-09-06T12:44Z
Definitive object data (Epoch: 2024-09-06T12:44:35.552Z)
| Latitude | -0.00004° |
| Longitude | -159.95967° |
| Altitude | 674.116 km |
| Speed | 7.996 km/s |
| True Right ascension | 01h 09m 09s |
| True Declination | 0° 00' 00" |
| Sunlit | Object was in full shadow at TLE epoch |
Predictive object data (real-time)
| Latitude | -2.42287° |
| Longitude | -168.1287° |
| Altitude | 601.174 km |
| Speed | 8.069 km/s |
| Apparent Right ascension | 23h 11m 07s |
| Apparent Declination | -22° 12' 59" |
| Sunlit | Object is in full shadow |
Predictive observer data (real-time)
| Local Sidereal Time | 09:06:19 |
| Azimuth | 294.455° NW |
| Elevation | -58.207° |
| Doppler factor | 1 |
Orbital elements
| Apogee | 2,915.209 km |
| Perigee | 554.847 km |
| Semi-major axis | 8,113.165 km |
| Eccentricity | 0.1454649 |
| Inclination | 32.8753° |
| RAAN | 17.2907° |
| Arg. of periapsis | 329.6988° |
| True anomaly | 30.3615° |
| Mean anomaly | 22.6761° |
| Eccentric anomaly | 26.37921° |
| Mean motion | 2.97001 °/min |
| BSTAR | 0.00090154 |
| Period | 121.21 mins |
No data available
Other satellites on launch #1 in the year 1959 (1959-02-17 UTC)
| VANGUARD 2, 11 |
| VANGUARD R/B, 12 |
| VANGUARD DEB, 5807 (Decayed) |
| VANGUARD DEB, 14934 (Decayed) |
VANGUARD 2 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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