USA 56, 20560
Orbit data source: Space-Track
USA 56, 20560 is a payload satellite owned by USAF SSD (US) in LEO that was launched on Wed, 11 Apr 1990 UTC via an ATLAS E ALTAIR launch vehicle from the Air Force Western Test Range (AFWTR). 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
20560 intel report (Beta)
Focus sentinelFocus sentinel
Create New Watchlist
Focus sentinelFocus sentinel
Edit Public Description
Identifier
Orbit
Last TLE update
14 hours ago
Origin
Manufacturer
DSI
Mission
Civil Science
Bus & Motor
MINISTAR, Unknown motor
Mass
60 kg wet, 60 kg dry
Launch date (UTC)
Launch vehicle
Launch site
Object type
Shape & HBR
Unknown
Radar Cross Section
Medium (>0.1 m² and <1 m²)
Expand to show TLE details & history
TLE from 14 hours ago
0 USA 56
1 20560U 90031A 25160.78685136 .00000986 00000-0 13377-3 0 9991
2 20560 89.8538 267.7914 0063126 153.2345 207.2158 14.76781728 57720Epoch: 2025-06-09T18:53Z
TLE epoch observation values (Epoch: 2025-06-09T18:53:03.957Z)
Latitude
-0.00009°
Longitude
86.13185°
Altitude
682.099 km
Speed
7.494 km/s
True Right ascension
17h 51m 09s
True Declination
0° 00' 00"
Sunlit
Visualization orbit readout
Latitude
-89.41735°
Longitude
-79.42706°
Altitude
689.162 km
Speed
7.5 km/s
Apparent Right ascension
07h 21m 21s
Apparent Declination
-65° 54' 40"
Sunlit
Visualization observer readout
Local Sidereal Time
19:21:49
Azimuth
179.889° S
Elevation
-64.005°
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 #31 in the year 1990 (1990-04-11 UTC)
USA 56 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. |
|---|---|---|---|---|---|---|---|
| 6 mins | 2025-06-10 19:52:23.721Z | 338.588° N | 2025-06-10 19:54:23.721Z | 280.626° WNW | 37.275° | 2025-06-10 19:58:23.721Z | 201.773° SSW |
| 6 mins | 2025-06-11 06:48:23.721Z | 128.79° SE | 2025-06-11 06:50:23.721Z | 91.718° ESE | 26.801° | 2025-06-11 06:54:23.721Z | 21.69° NNE |
| 5 mins | 2025-06-11 08:26:23.721Z | 243.298° WSW | 2025-06-11 08:28:23.721Z | 279.02° WNW | 20.609° | 2025-06-11 08:31:23.721Z | 324.328° NNW |
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 |
|---|