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.
Loading next visibility...
Loading greatness...
VANGUARD 2 details
| NORAD ID | 11 |
| COSPAR ID | |
| Orbit | LEO |
| Last TLE update | 5 hours ago |
| Origin | |
| Manufacturer | NRL |
| Bus | NRL 20" |
| Motor | Unknown |
| 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) |
Predictive object data (real-time)
| Latitude | -32.90739° |
| Longitude | 69.26406° |
| Altitude | 2,918.502 km |
| Speed | 6.056 km/s |
| Apparent Right ascension | 07h 51m 17s |
| Apparent Declination | -44° 08' 52" |
| Sunlit | Object is in daylight |
Predictive observer data (real-time)
| Local Sidereal Time | 23:36:39 |
| Azimuth | 115.041° SE |
| Elevation | -48.761° |
| Doppler factor | 1 |
Orbital elements
| Apogee | 2,916.294 km |
| Perigee | 554.926 km |
| Semi-major axis | 8,113.747 km |
| Eccentricity | 0.1455165 |
| Inclination | 32.8636° |
| RAAN | 173.2416° |
| Arg. of periapsis | 95.2194° |
| True anomaly | 264.84026° |
| Mean anomaly | 281.5529° |
| Eccentric anomaly | 273.22865° |
| Mean motion | 2.96969 °/min |
| BSTAR | 0.00068136 |
| Period | 121.22 mins |
Definitive object data (Epoch: 2024-07-27T04:46:54.374Z)
| Latitude | 0.00003° |
| Longitude | 156.15143° |
| Altitude | 1,664.872 km |
| Speed | 7.071 km/s |
| True Right ascension | 11h 32m 57s |
| True Declination | 0° 00' 00" |
| Sunlit | Object was in daylight at TLE epoch |
TLE from 5 hours ago
0 VANGUARD 2
1 11U 59001A 24209.19924044 .00001285 00000-0 68136-3 0 9990
2 11 32.8636 173.2416 1455165 95.2194 281.5529 11.88563646795026Epoch: 2024-07-27T04:46Z
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. |
|---|