STARONE C3, 38991
Orbit data source: Space-Track
STARONE C3, 38991 is a payload satellite owned by Star One (BR) in GEO that was launched on Sat, 10 Nov 2012 UTC via an ARIANE 5ECA launch vehicle from the French Guiana (FRGUI). 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
Request partner network tasking
Focus sentinelFocus sentinel
Embed this page
Focus sentinelFocus sentinel
38991 intel report (Beta)
Focus sentinelFocus sentinel
Edit Public Description
Focus sentinelFocus sentinel
Edit Sat Name
Focus sentinelFocus sentinel
Create New Watchlist
Identifier
Orbit
Country
BR / BRAZRelated business
Manufacturer
OSC
Mission
Operational Commercial Communications
Bus & Motor
STAR-2.4E, IHI
Mass
3,226 kg wet, ~1,530 kg dry
Launch date (UTC)
Launch vehicle
Launch site
Object type
Shape & HBR
Box + 2 Pan, 11.5 m
Radar Cross Section
29.105 m², Large (>1 m²)
Expand to show TLE details & historyLast TLE update: 1 day ago
TLE from 1 day ago
0 STARONE C3
1 38991U 12062A 26274.39136130 -.00000251 00000-0 00000-0 0 9997
2 38991 0.0645 79.2782 0002119 116.8887 239.8897 1.00271846 50824Epoch: 2026-10-01T09:23Z
TLE epoch observation values (Epoch: 2026-10-01T09:23:33.616Z)
Latitude
-0.0232°
Longitude
-75.00814°
Altitude
35,790.573 km
Speed
3.074 km/s
True Right ascension
05h 04m 02s
True Declination
0° 01' 23"
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
10:39:20
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
35,796.583 km
Perigee altitude
35,778.713 km
Semi-major axis
42,165.785 km
Eccentricity
0.00021
Inclination
0.0645°
RAAN
79.2782°
Arg. of periapsis
116.8887°
True anomaly
239.8687°
Mean anomaly
239.8897°
Eccentric anomaly
239.8792°
Mean motion
0.25067 °/min
Orbital period
1,436.15 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 #62 in the year 2012 (2012-11-10 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.STARONE C3 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. |
|---|---|---|---|---|---|---|---|
| 1440 mins | 2026-10-02 16:54:07.235Z | 137.802° SSE | 2026-10-03 16:13:07.235Z | 137.802° SSE | 34.466° | 2026-10-03 16:54:07.235Z | 137.797° SSE |
Loading historical data...
38991 neighbors
Authenticating...
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 descending 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 descending order |
|---|