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.
Focus sentinelFocus sentinel
Embed this page
Focus sentinelFocus sentinel
11 intel report (Beta)
Focus sentinelFocus sentinel
Create New Watchlist
Focus sentinelFocus sentinel
Edit Public Description
Identifier
Orbit
Last TLE update
11 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 11 hours ago
0 VANGUARD 2
1 00011U 59001A 25132.78719286 .00001592 00000-0 82402-3 0 9994
2 00011 32.8722 159.7924 1449057 299.3985 46.9589 11.89757763487756Epoch: 2025-05-12T18:53Z
Definitive object data (Epoch: 2025-05-12T18:53:33.463Z)
Latitude
-0.00003°
Longitude
5.60765°
Altitude
1,029.868 km
Speed
7.647 km/s
True Right ascension
10h 39m 10s
True Declination
0° 00' 00"
Sunlit
Visualization TLE readout
Latitude
-18.12096°
Longitude
-145.93478°
Altitude
1,507.612 km
Speed
7.209 km/s
Apparent Right ascension
01h 24m 40s
Apparent Declination
-28° 39' 52"
Sunlit
Visualization observer readout
Local Sidereal Time
14:44:42
Azimuth
61.776° ENE
Elevation
-70.079°
Doppler factor
1
Loading maneuver chart data...
Loading SW <> Apogee altitude chart data...
Loading historical data...
Loading historical data...
Loading historical data...
Loading historical data...
Loading historical data...
Loading historical data...
Loading historical data...
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. |
|---|---|---|---|---|---|---|---|
| 29 mins | 2025-05-13 07:15:07.216Z | 249.539° W | 2025-05-13 07:27:07.216Z | 175.064° S | 42.24° | 2025-05-13 07:44:07.216Z | 96.641° ESE |
| 30 mins | 2025-05-13 09:25:07.216Z | 266.634° W | 2025-05-13 09:39:07.216Z | 190.337° SSW | 41.482° | 2025-05-13 09:55:07.216Z | 119.106° SE |
| 28 mins | 2025-05-13 11:36:07.216Z | 270.66° WNW | 2025-05-13 11:50:07.216Z | 211.82° SW | 32.813° | 2025-05-13 12:04:07.216Z | 150.851° SSE |
| 13 mins | 2025-05-13 13:53:07.216Z | 251.063° W | 2025-05-13 13:59:07.216Z | 229.396° WSW | 14.325° | 2025-05-13 14:06:07.216Z | 201.868° SSW |
| 12 mins | 2025-05-14 03:17:07.216Z | 167.245° S | 2025-05-14 03:22:07.216Z | 131.179° SE | 18.248° | 2025-05-14 03:29:07.216Z | 96.628° ESE |
| 23 mins | 2025-05-14 05:21:07.216Z | 222.337° SW | 2025-05-14 05:29:07.216Z | 159.699° S | 37.104° | 2025-05-14 05:44:07.216Z | 88.02° E |
Event ID | Pc | Md | Secondary | Secondary name | Country | Click to unsort rows by TCA header |
|---|
Authenticating...
Click to sort rows by Secondary header in ascending order | Click to sort rows by Secondary name header in ascending order | Click to sort rows by Country header in ascending order | Click to sort rows by Owner header in ascending order | Click to sort rows by Obj. Type header in ascending order | Click to sort rows by Miss dist. header in ascending order | Click to sort rows by Rel. speed header in ascending order | Click to sort rows by Apr. angle header in ascending order | Click to sort rows by TCA header in ascending order |
|---|