SATCOM 3, 11635
Orbit data source: Space-Track
SATCOM 3, 11635 is a payload satellite owned by RCA Americom (US) in HEO that was launched on Fri, 07 Dec 1979 UTC via a DELTA 3914 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
11635 intel report (Beta)
Focus sentinelFocus sentinel
Create New Watchlist
Focus sentinelFocus sentinel
Edit Public Description
Identifier
Orbit
Country
USRelated business
Manufacturer
RCA/East Windsor
Mission
Commercial Communications
Bus & Motor
SATCOM, SVM-7
Mass
867 kg wet, 335 kg dry
Launch date (UTC)
Launch vehicle
Launch site
Object type
Shape & HBR
Hex Poly + 2 Pan, 5.7 m
Radar Cross Section
5.438 m², Large (>1 m²)
Expand to show TLE details & historyLast TLE update: 13 hours ago
TLE from 13 hours ago
0 SATCOM 3
1 11635U 79101A 25264.31690911 -.00000154 00000-0 00000-0 0 9994
2 11635 8.4723 108.3651 4788539 56.5166 103.1269 1.82526030219066Epoch: 2025-09-21T07:36Z
TLE epoch observation values (Epoch: 2025-09-21T07:36:20.947Z)
Latitude
-3.22289°
Longitude
-163.79699°
Altitude
29,771.491 km
Speed
2.821 km/s
True Right ascension
20h 42m 54s
True Declination
-3° 13' 09"
Sunlit
Visualization orbit readout
Latitude
Unknown
Longitude
Unknown
Altitude
Unknown
Speed
Unknown
Apparent Right ascension
Unknown
Apparent Declination
Unknown
Sunlit
Visualization observer readout
Local Sidereal Time
13:46:50
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
35,450.948 km
Perigee altitude
8,362.376 km
Semi-major axis
28,284.799 km
Eccentricity
0.47885
Inclination
8.4723°
RAAN
108.3651°
Arg. of periapsis
56.5166°
True anomaly
145.97921°
Mean anomaly
103.1269°
Eccentric anomaly
125.47122°
Mean motion
0.45626 °/min
Orbital period
789.02 mins
BSTAR
0
Loading maneuver chart data...
Computing Atmospheric mass density...
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 #101 in the year 1979 (1979-12-07 UTC)
Did you know?
You can import UDL-sourced sensor .json files into the Sandbox to generate a visibility chart that accounts for multi-vendor sensor geometry.SATCOM 3 Visibility forecast
Loading observer location...
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. |
|---|---|---|---|---|---|---|---|
| 107 mins | 2025-09-22 18:56:24.949Z | 241.475° WSW | 2025-09-22 19:38:24.949Z | 172.908° S | 32.653° | 2025-09-22 20:43:24.949Z | 114.325° SE |
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 |
|---|
CAUTION: Conjunctions in this section are generated from low-fidelity TLE screenings
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 |
|---|