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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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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)

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Last TLE update: 1 day ago

TLE from 1 day ago

0 STARONE C3
1 38991U 12062A   25338.48574141 -.00000234  00000-0  00000+0 0  9995
2 38991   0.0251 283.8284 0002337 334.5486 275.0596  1.00271004 47812

Epoch: 2025-12-04T11:39Z

TLE epoch observation values (Epoch: 2025-12-04T11:39:28.057Z)

Latitude

-0.038°

Longitude

-75.0202°

Altitude

35,785.429 km

Speed

3.075 km/s

True Right ascension

11h 33m 33s

True Declination

0° 02' 17"

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

13:24:54

Azimuth

Unknown

Elevation

Unknown

Doppler factor

Unknown

Orbital elements

Apogee altitude

35,797.738 km

Perigee altitude

35,778.03 km

Semi-major axis

42,166.021 km

Eccentricity

0.00023

Inclination

0.0251°

RAAN

283.8284°

Arg. of periapsis

334.5486°

True anomaly

275.03292°

Mean anomaly

275.0596°

Eccentric anomaly

275.04626°

Mean motion

0.25067 °/min

Orbital period

1,436.16 mins

BSTAR

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

ARIANE 5 DEB (SYLDA), 38994 (Decayed)

EUTE 21B, 38992

ARIANE 5 R/B, 38993

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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	2025-12-05 15:26:38.526Z	137.903° SSE	2025-12-06 04:16:38.526Z	137.832° SSE	29.483°	2025-12-06 15:26:38.526Z	137.899° 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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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

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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: 1 day ago

TLE from 1 day ago

TLE epoch observation values (Epoch: 2025-12-04T11:39:28.057Z)

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: 1 day ago