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
22 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 22 hours ago
0 VANGUARD 2
1 00011U 59001A 25181.80504763 .00000879 00000-0 44197-3 0 9999
2 00011 32.8759 334.4497 1449055 218.1077 130.7804 11.89903437493594Epoch: 2025-06-30T19:19Z
TLE epoch observation values (Epoch: 2025-06-30T19:19:16.115Z)
Latitude
-0.00002°
Longitude
125.52293°
Altitude
2,576.82 km
Speed
6.314 km/s
True Right ascension
22h 17m 47s
True Declination
0° 00' 00"
Sunlit
Visualization orbit readout
Latitude
9.07153°
Longitude
136.2561°
Altitude
2,736.105 km
Speed
6.19 km/s
Apparent Right ascension
21h 09m 51s
Apparent Declination
-14° 06' 05"
Sunlit
Visualization observer readout
Local Sidereal Time
05:14:58
Azimuth
279.334° WNW
Elevation
-32.858°
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. |
|---|---|---|---|---|---|---|---|
| 23 mins | 2025-07-01 18:00:20.613Z | 270.133° WNW | 2025-07-01 18:14:20.613Z | 207.252° SW | 38.581° | 2025-07-01 18:23:20.613Z | 129.368° SE |
| 13 mins | 2025-07-01 20:15:20.613Z | 263.64° W | 2025-07-01 20:22:20.613Z | 225.706° WSW | 21.316° | 2025-07-01 20:28:20.613Z | 177.427° S |
| 26 mins | 2025-07-02 11:42:20.613Z | 197.886° SSW | 2025-07-02 11:54:20.613Z | 145.732° SSE | 29.748° | 2025-07-02 12:08:20.613Z | 89.49° E |
| 29 mins | 2025-07-02 13:50:20.613Z | 233.871° WSW | 2025-07-02 14:05:20.613Z | 163.38° S | 40.368° | 2025-07-02 14:19:20.613Z | 91.033° ESE |
| 27 mins | 2025-07-02 16:01:20.613Z | 258.849° W | 2025-07-02 16:16:20.613Z | 192.079° SSW | 42.346° | 2025-07-02 16:28:20.613Z | 106.233° ESE |
Event ID | Pc | Md | Secondary | Secondary name | Country | Click to unsort rows by TCA header |
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