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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11 intel report (Beta)
VANGUARD 2 details
| Identifier | |
| Orbit | LEO |
| Last TLE update | 3 hours ago |
| Origin | |
| Manufacturer | NRL |
| 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 |
| Shape & HBR | Sphere, 0.51 m |
| Radar Cross Section | 0.204 m², Medium (>0.1 m² and < 1m²) |
Expand to show TLE details & history
TLE from 3 hours ago
0 VANGUARD 2
1 11U 59001A 25002.88818331 .00002606 00000-0 13537-2 0 9991
2 11 32.8788 290.5070 1453023 281.4586 62.6782 11.89033933814021Epoch: 2025-01-02T21:18Z
Definitive object data (Epoch: 2025-01-02T21:18:59.037Z)
| Latitude | -0.00004° |
| Longitude | -131.9997° |
| Altitude | 1,336.525 km |
| Speed | 7.363 km/s |
| True Right ascension | 19h 22m 01s |
| True Declination | 0° 00' 00" |
| Sunlit | Object was in daylight at TLE epoch |
Visualization TLE readout
| Latitude | 10.62352° |
| Longitude | 30.72389° |
| Altitude | 2,219.291 km |
| Speed | 6.603 km/s |
| Apparent Right ascension | 08h 13m 53s |
| Apparent Declination | -14° 22' 47" |
| Sunlit | Object is in full shadow |
Visualization observer readout
| Local Sidereal Time | 00:15:10 |
| Azimuth | 82.067° E |
| Elevation | -31.817° |
| Doppler factor | 1 |
Orbital elements
| Apogee altitude | 2,912.105 km |
| Perigee altitude | 554.835 km |
| Semi-major axis | 8,111.607 km |
| Eccentricity | 0.1453023 |
| Inclination | 32.8788° |
| RAAN | 290.507° |
| Arg. of periapsis | 281.4586° |
| True anomaly | 78.60162° |
| Mean anomaly | 62.6782° |
| Eccentric anomaly | 70.52721° |
| Mean motion | 2.97086 °/min |
| BSTAR | 0.0013537 |
| Orbital period | 121.18 mins |
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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 DEB, 61446 |
VANGUARD 2 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. |
|---|---|---|---|---|---|---|---|
| 32 mins | 2025-01-03 01:42:05.739Z | 261.346° W | 2025-01-03 01:58:05.739Z | 176.674° S | 42.727° | 2025-01-03 02:14:05.739Z | 107.134° ESE |
| 29 mins | 2025-01-03 03:54:05.739Z | 271.587° WNW | 2025-01-03 04:09:05.739Z | 207.334° SW | 38.102° | 2025-01-03 04:23:05.739Z | 136.053° SSE |
| 20 mins | 2025-01-03 06:08:05.739Z | 265.942° W | 2025-01-03 06:19:05.739Z | 223.324° SW | 22.6° | 2025-01-03 06:28:05.739Z | 179.961° S |
| 4 mins | 2025-01-03 19:40:05.739Z | 134.723° SE | 2025-01-03 19:41:05.739Z | 129.484° SE | 11.251° | 2025-01-03 19:44:05.739Z | 115.105° SE |
| 23 mins | 2025-01-03 21:40:05.739Z | 205.49° SW | 2025-01-03 21:49:05.739Z | 145.675° SSE | 32.37° | 2025-01-03 22:03:05.739Z | 86.784° E |
| 29 mins | 2025-01-03 23:47:05.739Z | 242.775° WSW | 2025-01-03 23:59:05.739Z | 169.281° S | 41.867° | 2025-01-04 00:16:05.739Z | 93.177° ESE |
Authenticating...
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