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). Payload-class satellites include a variety of spacecraft 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)
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Edit Public Description
Identifier
Orbit
Last TLE update
19 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
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 19 hours ago
0 VANGUARD 2
1 00011U 59001A 25128.42170439 .00001831 00000-0 94611-3 0 9992
2 00011 32.8746 176.2916 1449153 274.6009 69.1036 11.89743647487230Epoch: 2025-05-08T10:07Z
Definitive object data (Epoch: 2025-05-08T10:07:15.259Z)
Latitude
0.00001°
Longitude
157.9856°
Altitude
1,465.798 km
Speed
7.245 km/s
True Right ascension
11h 45m 09s
True Declination
0° 00' 00"
Sunlit
Visualization TLE readout
Latitude
32.06034°
Longitude
-99.80542°
Altitude
2,898.072 km
Speed
6.068 km/s
Apparent Right ascension
20h 49m 38s
Apparent Declination
5° 28' 11"
Sunlit
Visualization observer readout
Local Sidereal Time
13:04:06
Azimuth
68.186° E
Elevation
-16.146°
Doppler factor
1
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Other satellites on launch #1 in the year 1959 (1959-02-17 UTC)
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. |
|---|---|---|---|---|---|---|---|
| 27 mins | 2025-05-09 06:26:31.415Z | 220.329° SW | 2025-05-09 06:37:31.415Z | 154.468° SSE | 36.98° | 2025-05-09 06:53:31.415Z | 86.811° E |
| 30 mins | 2025-05-09 08:35:31.415Z | 250.318° W | 2025-05-09 08:48:31.415Z | 177.914° S | 42.666° | 2025-05-09 09:05:31.415Z | 97.786° ESE |
| 30 mins | 2025-05-09 10:45:31.415Z | 268.001° W | 2025-05-09 11:00:31.415Z | 198.246° SSW | 41.317° | 2025-05-09 11:15:31.415Z | 121.339° SE |
| 26 mins | 2025-05-09 12:57:31.415Z | 271.444° WNW | 2025-05-09 13:11:31.415Z | 214.373° SW | 31.136° | 2025-05-09 13:23:31.415Z | 155.08° SSE |
| 4 mins | 2025-05-09 15:17:31.415Z | 240.722° WSW | 2025-05-09 15:19:31.415Z | 232.736° WSW | 10.814° | 2025-05-09 15:21:31.415Z | 224.306° SW |
| 17 mins | 2025-05-10 04:34:31.415Z | 178.145° S | 2025-05-10 04:41:31.415Z | 134.125° SE | 23.464° | 2025-05-10 04:51:31.415Z | 91.96° ESE |
Event ID | Pc | Md | Secondary | Secondary name | Country | Click to unsort rows by TCA header |
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