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

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ISO8601 Format

Identifier

38991, 2012-062A

Orbit

GEO

Last TLE update

10 hours ago

Origin

Embratel (Brazilian Telecommunications Company) (Unknown / BRAZ)

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, 23 m

Radar Cross Section

29.105 m², Large (>1 m²)

Expand to show TLE details & history

TLE from 10 hours ago

0 STARONE C3
1 38991U 12062A   25195.54436270 -.00000241  00000-0  00000-0 0  9992
2 38991   0.0182  40.7839 0001940  83.6980 289.1489  1.00271349 46369

Epoch: 2025-07-14T13:03Z

TLE epoch observation values (Epoch: 2025-07-14T13:03:52.937Z)

Latitude

0.00695°

Longitude

-75.00757°

Altitude

35,783.499 km

Speed

3.075 km/s

True Right ascension

03h 34m 27s

True Declination

0° 00' 25"

Sunlit

Object was in daylight at epoch

Visualization orbit readout

Latitude

0.01806°

Longitude

68.50527°

Altitude

35,783.8 km

Speed

3.075 km/s

Apparent Right ascension

13h 23m 21s

Apparent Declination

-6° 05' 38"

Sunlit

Object is in daylight

Visualization observer readout

Local Sidereal Time

11:07:54

Azimuth

137.807° SSE

Elevation

34.413°

Doppler factor

Orbital elements

Apogee altitude

35,795.968 km

Perigee altitude

35,779.607 km

Semi-major axis

42,165.925 km

Eccentricity

0.00019

Inclination

0.0182°

RAAN

40.7839°

Arg. of periapsis

83.698°

True anomaly

Unknown

Mean anomaly

289.1489°

Eccentric anomaly

Unknown

Mean motion

0.25067 °/min

Orbital period

1,436.16 mins

BSTAR

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38991 neighbors

Authenticating...

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

EUTE 21B, 38992

ARIANE 5 R/B, 38993

ARIANE 5 DEB (SYLDA), 38994 (Decayed)

STARONE C3 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.
1440 mins	2025-07-14 22:36:12.000Z	137.82° SSE	2025-07-15 17:57:12.000Z	137.831° SSE	29.486°	2025-07-15 22:36:12.000Z	137.824° SSE

Authenticating...

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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.