EXPLORER 11, 107
Orbit data source: Space-Track
EXPLORER 11, 107 is a payload satellite owned by GSFC (US) in LEO that was launched on Thu, 27 Apr 1961 UTC via a JUNO II 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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107 intel report (Beta)
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Edit Public Description
Identifier
Orbit
Last TLE update
19 hours ago
Origin
Manufacturer
NASA MSFC
Mission
Civil Astronomy
Bus & Motor
S-15, Unknown motor
Mass
45 kg wet, 40 kg dry
Launch date (UTC)
Launch vehicle
Launch site
Object type
Shape & HBR
Cyl, 1.1 m
Radar Cross Section
0.295 m², Medium (>0.1 m² and < 1m²)
Expand to show TLE details & history
TLE from 19 hours ago
0 EXPLORER 11
1 00107U 61013A 25186.10932337 .00001163 00000-0 12528-3 0 9991
2 00107 28.7846 154.2756 0503987 132.1915 232.2583 14.19843411227089Epoch: 2025-07-05T02:37Z
TLE epoch observation values (Epoch: 2025-07-05T02:37:25.539Z)
Latitude
0°
Longitude
-168.4329°
Altitude
1,057.345 km
Speed
7.206 km/s
True Right ascension
10h 17m 06s
True Declination
0° 00' 00"
Sunlit
Visualization orbit readout
Latitude
-10.16765°
Longitude
25.85503°
Altitude
639.607 km
Speed
7.637 km/s
Apparent Right ascension
22h 43m 57s
Apparent Declination
-24° 27' 03"
Sunlit
Visualization observer readout
Local Sidereal Time
10:01:06
Azimuth
326.585° NNW
Elevation
-72.106°
Doppler factor
1
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Other satellites on launch #13 in the year 1961 (1961-04-27 UTC)
EXPLORER 11 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. |
|---|---|---|---|---|---|---|---|
| 4 mins | 2025-07-06 02:33:58.516Z | 197.139° SSW | 2025-07-06 02:35:58.516Z | 167.117° S | 17.366° | 2025-07-06 02:37:58.516Z | 137.951° SSE |
| 4 mins | 2025-07-06 04:20:58.516Z | 212.049° SW | 2025-07-06 04:21:58.516Z | 196.01° SSW | 16.765° | 2025-07-06 04:24:58.516Z | 146.496° SSE |
Event ID | Pc | Md | Secondary | Secondary name | Country | Click to unsort rows by TCA header |
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