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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.

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Iframe URL

https://www.satcat.com/sats-embedded/38991?theme=dark&initialShowStats=false

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ISO8601 Format

Identifier

38991, 2012-062A

Orbit

GEO

Country

Unknown / BRAZ

Related business

Embratel (Brazilian Telecommunications Company) (BR)

Manufacturer

OSC

Mission

Operational Commercial Communications

Bus & Motor

STAR-2.4E, IHI

Mass

3,226 kg wet, ~1,530 kg dry

Launch date (UTC)

2012-11-10 (13 years ago)

Launch vehicle

ARIANE 5ECA

Launch site

French Guiana (FRGUI)

Object type

Payload

Rocket body

Debris

Shape & HBR

Box + 2 Pan, 11.5 m

Radar Cross Section

29.105 m², Large (>1 m²)

Expand to show TLE details & history
Last TLE update: 6 hours ago

TLE from 6 hours ago

0 STARONE C3
1 38991U 12062A   25308.48952582 -.00000237  00000-0  00000+0 0  9994
2 38991   0.0128 300.1203 0002565 303.7258 261.4059  1.00272212 47508

Epoch: 2025-11-04T11:44Z

TLE epoch observation values (Epoch: 2025-11-04T11:44:55.030Z)

Latitude

-0.02178°

Longitude

-75.02189°

Altitude

35,787.561 km

Speed

3.075 km/s

True Right ascension

09h 40m 43s

True Declination

0° 01' 18"

Sunlit

Object was in daylight at epoch

Visualization orbit readout

Latitude

Unknown

Longitude

Unknown

Altitude

Unknown

Speed

Unknown

Apparent Right ascension

Unknown

Apparent Declination

Unknown

Sunlit

N/A

Visualization observer readout

Local Sidereal Time

14:07:36

Azimuth

Unknown

Elevation

Unknown

Doppler factor

Unknown

Orbital elements

Apogee altitude

35,798.361 km

Perigee altitude

35,776.73 km

Semi-major axis

42,165.683 km

Eccentricity

0.00026

Inclination

0.0128°

RAAN

300.1203°

Arg. of periapsis

303.7258°

True anomaly

261.37684°

Mean anomaly

261.4059°

Eccentric anomaly

261.39137°

Mean motion

0.25067 °/min

Orbital period

1,436.14 mins

BSTAR

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Other satellites on launch #62 in the year 2012 (2012-11-10 UTC)

ARIANE 5 R/B, 38993

EUTE 21B, 38992

ARIANE 5 DEB (SYLDA), 38994 (Decayed)

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STARONE C3 Visibility forecast

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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	2025-11-04 18:11:06.835Z	137.877° SSE	2025-11-05 06:23:06.835Z	137.849° SSE	29.477°	2025-11-05 18:11:06.835Z	137.874° SSE

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38991 neighbors

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Co-orbital & Co-planar RSOs

Thresholds — Semi-major Axis: ±100 km, RAAN: ±3°, Inclination: ±5°
TCA is derived from TLE conjunctions

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CAUTION: Conjunctions in this section are generated from low-fidelity TLE screenings

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Check out STARONE C3, 38991 on other resources

View STARONE C3, 38991 on NASA - NSSDCA Website

View STARONE C3, 38991 on Heavens-Above

View STARONE C3, 38991 on Keep Track

View STARONE C3, 38991 on Celestrak

View STARONE C3, 38991 on Gunter's Space Page

Satcat and Kayhan Space are not affiliated with NASA, Celestrak, Heavens-Above, Keep Track, or Gunter's Space Page.

STARONE C3, 38991

Orbit data source: Space-Track

Expand to show TLE details & historyLast TLE update: 6 hours ago

TLE from 6 hours ago

TLE epoch observation values (Epoch: 2025-11-04T11:44:55.030Z)

Visualization orbit readout

Visualization observer readout

Orbital elements

Other satellites on launch #62 in the year 2012 (2012-11-10 UTC)

STARONE C3 Visibility forecast

38991 neighbors

Co-orbital & Co-planar RSOs

Check out STARONE C3, 38991 on other resources

Documentation

Expand to show TLE details & history
Last TLE update: 6 hours ago