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NSS 513 (INTELSAT 513), 19121

Orbit data source: Space-Track

NSS 513 (INTELSAT 513), 19121 is a payload satellite owned by INTELSAT (NL) in GEO that was launched on Tue, 17 May 1988 UTC via an ARIANE 2 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/19121?theme=dark&initialShowStats=false

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ISO8601 Format

Identifier

19121, 1988-040A

Orbit

GEO

Last TLE update

13 hours ago

Origin

Intelsat (Unknown / NETH)

Manufacturer

Ford Ae

Mission

Non-operational Civil Communications

Bus & Motor

FS INTELSAT 5, STAR 37XF

Mass

1,978 kg wet, 884 kg dry

Launch date (UTC)

1988-05-17 (37 years ago)

Launch vehicle

ARIANE 2

Launch site

French Guiana (FRGUI)

Object type

Payload

Rocket body

Debris

Shape & HBR

Hex Poly + 2 Pan, 7.8 m

Radar Cross Section

18.854 m², Large (>1 m²)

Expand to show TLE details & history

TLE from 13 hours ago

0 NSS 513 (INTELSAT 513)
1 19121U 88040A   25214.12652890 -.00000044  00000-0  00000+0 0  9999
2 19121  14.7954 351.1301 0014145 116.7882 162.8552  0.98571921111439

Epoch: 2025-08-02T03:02Z

TLE epoch observation values (Epoch: 2025-08-02T03:02:12.096Z)

Latitude

-14.5981°

Longitude

-85.37737°

Altitude

36,330.539 km

Speed

3.053 km/s

True Right ascension

18h 04m 33s

True Declination

-14° 35' 03"

Sunlit

Object was in daylight at epoch

Visualization orbit readout

Latitude

13.20174°

Longitude

112.13151°

Altitude

36,208.394 km

Speed

3.062 km/s

Apparent Right ascension

07h 23m 23s

Apparent Declination

8° 43' 20"

Sunlit

Object is in daylight

Visualization observer readout

Local Sidereal Time

06:07:35

Azimuth

146.422° SSE

Elevation

54.521°

Doppler factor

Orbital elements

Apogee altitude

36,331.249 km

Perigee altitude

36,210.594 km

Semi-major axis

42,649.058 km

Eccentricity

0.00141

Inclination

14.7954°

RAAN

351.1301°

Arg. of periapsis

116.7882°

True anomaly

162.9029°

Mean anomaly

162.8552°

Eccentric anomaly

162.87906°

Mean motion

0.24642 °/min

Orbital period

1,460.91 mins

BSTAR

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Other satellites on launch #40 in the year 1988 (1988-05-17 UTC)

NSS 513 (INTELSAT 513) 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	2025-08-02 16:22:00.169Z	146.438° SSE	2025-08-03 14:50:00.169Z	157.729° S	40.588°	2025-08-03 16:22:00.169Z	157.652° S

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19121 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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Check out NSS 513 (INTELSAT 513), 19121 on other resources

View NSS 513 (INTELSAT 513), 19121 on NASA - NSSDCA Website

View NSS 513 (INTELSAT 513), 19121 on Heavens-Above

View NSS 513 (INTELSAT 513), 19121 on Keep Track

View NSS 513 (INTELSAT 513), 19121 on Celestrak

View NSS 513 (INTELSAT 513), 19121 on Gunter's Space Page

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