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SPACENET 3R, 18951

Orbit data source: Space-Track

SPACENET 3R, 18951 is a payload satellite owned by GTE (US) in GEO that was launched on Fri, 11 Mar 1988 UTC via an ARIANE 3 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.

Not visible in the next 10 days

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Iframe URL

https://www.satcat.com/sats-embedded/18951?theme=dark&initialShowStats=false

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ISO8601 Format

Identifier

18951, 1988-018A

Orbit

GEO

Last TLE update

20 hours ago

Origin

GTE Spacenet Corp (US)

Manufacturer

GE/East Windsor

Mission

Non-operational Commercial Communications

Bus & Motor

AS3000, TE-M-700-18

Mass

1,213 kg wet, ~350 kg dry

Launch date (UTC)

1988-03-11 (37 years ago)

Launch vehicle

ARIANE 3

Launch site

French Guiana (FRGUI)

Object type

Payload

Rocket body

Debris

Shape & HBR

Hex Poly + 2 Pan, 7.2 m

Radar Cross Section

15.386 m², Large (>1 m²)

Expand to show TLE details & history

TLE from 20 hours ago

0 SPACENET 3R
1 18951U 88018A   25206.22867008 -.00000186  00000-0  00000-0 0  9993
2 18951  14.6427   2.1418 0002830 210.8800 341.6464  0.99668239121350

Epoch: 2025-07-25T05:29Z

TLE epoch observation values (Epoch: 2025-07-25T05:29:17.094Z)

Latitude

-3.13786°

Longitude

168.7735°

Altitude

35,945.37 km

Speed

3.069 km/s

True Right ascension

12h 57m 06s

True Declination

-3° 08' 05"

Sunlit

Object was in daylight at epoch

Visualization orbit readout

Latitude

10.66601°

Longitude

110.62241°

Altitude

35,952.998 km

Speed

3.069 km/s

Apparent Right ascension

08h 37m 30s

Apparent Declination

5° 09' 34"

Sunlit

Object is in daylight

Visualization observer readout

Local Sidereal Time

14:50:58

Azimuth

276.114° WNW

Elevation

0.736°

Doppler factor

Orbital elements

Apogee altitude

35,969.592 km

Perigee altitude

35,945.63 km

Semi-major axis

42,335.748 km

Eccentricity

0.00028

Inclination

14.6427°

RAAN

2.1418°

Arg. of periapsis

210.88°

True anomaly

341.63619°

Mean anomaly

341.6464°

Eccentric anomaly

341.64129°

Mean motion

0.24916 °/min

Orbital period

1,444.84 mins

BSTAR

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Other satellites on launch #18 in the year 1988 (1988-03-11 UTC)

TELECOM 1C, 18952

ARIANE 3 R/B, 18953

ARIANE 3 DEB (SYLDA), 18954 (Decayed)

ARIANE 3 DEB, 26031 (Decayed)

SPACENET 3R Visibility

Observer location: undefined°, undefined°

SPACENET 3R is likely not visible in the next few days

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18951 neighbors

Authenticating...

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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Check out SPACENET 3R, 18951 on other resources

View SPACENET 3R, 18951 on NASA - NSSDCA Website

View SPACENET 3R, 18951 on Heavens-Above

View SPACENET 3R, 18951 on Keep Track

View SPACENET 3R, 18951 on Celestrak

View SPACENET 3R, 18951 on Gunter's Space Page

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