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.
Embed this page
107 intel report (Beta)
Create New Watchlist
Edit Public Description
Expand to show TLE details & history
TLE from 14 hours ago
0 EXPLORER 11
1 00107U 61013A 25199.88645024 .00001164 00000-0 12268-3 0 9996
2 00107 28.7900 75.1250 0503638 260.3779 93.9564 14.19872543229042
TLE epoch observation values (Epoch: 2025-07-18T21:16:29.3Z)
Visualization orbit readout
Visualization observer readout
Orbital elements
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. |
---|---|---|---|---|---|---|---|
10 mins | 2025-07-19 19:26:31.523Z | 208.041° SW | 2025-07-19 19:31:31.523Z | 160.251° S | 22.885° | 2025-07-19 19:36:31.523Z | 115.317° SE |
12 mins | 2025-07-19 21:13:31.523Z | 232.782° WSW | 2025-07-19 21:19:31.523Z | 168.73° S | 29.817° | 2025-07-19 21:25:31.523Z | 115.792° SE |
11 mins | 2025-07-19 23:01:31.523Z | 243.144° WSW | 2025-07-19 23:06:31.523Z | 194.768° SSW | 27.484° | 2025-07-19 23:12:31.523Z | 135.779° SSE |
7 mins | 2025-07-20 00:50:31.523Z | 236.71° WSW | 2025-07-20 00:54:31.523Z | 201.865° SSW | 16.487° | 2025-07-20 00:57:31.523Z | 174.874° S |
Co-orbital & Co-planar RSOs
Thresholds — Semi-major Axis: ±100 km, RAAN: ±3°, Inclination: ±5°
TCA is derived from TLE conjunctions
Click to sort rows by RSO header in ascending order | Click to sort rows by Country header in ascending order | Click to sort rows by Type header in ascending order | Click to sort rows by Inclination Δ header in ascending order | Click to sort rows by RAAN Δ header in ascending order | Click to sort rows by Coplanar Angle header in ascending order | Click to sort rows by SMA Δ header in ascending order | Click to sort rows by Orbital period header in ascending order | Click to sort rows by <5km Md TCA header in ascending order |
---|
Event ID | Pc | Md | Secondary | Secondary name | Country | Click to unsort rows by TCA header |
---|
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 |
---|