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
7 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 7 hours ago
0 VANGUARD 2
1 00011U 59001A 25186.58791523 .00000833 00000-0 41577-3 0 9990
2 00011 32.8785 316.3675 1449314 245.2909 99.0183 11.89912245494161Epoch: 2025-07-05T14:06Z
TLE epoch observation values (Epoch: 2025-07-05T14:06:35.875Z)
Latitude
-0.00001°
Longitude
-179.1058°
Altitude
2,067.731 km
Speed
6.726 km/s
True Right ascension
21h 05m 28s
True Declination
0° 00' 00"
Sunlit
Visualization orbit readout
Latitude
-10.20618°
Longitude
15.82599°
Altitude
857.354 km
Speed
7.813 km/s
Apparent Right ascension
11h 33m 23s
Apparent Declination
-64° 58' 15"
Sunlit
Visualization observer readout
Local Sidereal Time
09:21:05
Azimuth
165.947° S
Elevation
-18.029°
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. |
|---|---|---|---|---|---|---|---|
| 25 mins | 2025-07-06 10:21:03.994Z | 195.011° SSW | 2025-07-06 10:32:03.994Z | 143.356° SSE | 27.957° | 2025-07-06 10:46:03.994Z | 88.973° E |
| 31 mins | 2025-07-06 12:28:03.994Z | 232.25° WSW | 2025-07-06 12:43:03.994Z | 157.348° SSE | 40.156° | 2025-07-06 12:59:03.994Z | 88.806° E |
| 30 mins | 2025-07-06 14:39:03.994Z | 257.421° W | 2025-07-06 14:55:03.994Z | 173.923° S | 42.761° | 2025-07-06 15:09:03.994Z | 103.646° ESE |
| 26 mins | 2025-07-06 16:51:03.994Z | 270.606° WNW | 2025-07-06 17:06:03.994Z | 199.75° SSW | 38.751° | 2025-07-06 17:17:03.994Z | 131.816° SE |
| 17 mins | 2025-07-06 19:05:03.994Z | 265.949° W | 2025-07-06 19:14:03.994Z | 226.315° WSW | 22.558° | 2025-07-06 19:22:03.994Z | 176.78° S |
Event ID | Pc | Md | Secondary | Secondary name | Country | Click to unsort rows by TCA header |
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