INTELSAT 601, 21765
Orbit data source: Space-Track
INTELSAT 601, 21765 is a payload satellite owned by INTELSAT (US) in GEO that was launched on Tue, 29 Oct 1991 UTC via an ARIANE 44L 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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21765 intel report (Beta)
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Identifier
Orbit
Country
US / ITSORelated business
Manufacturer
Hughes
Mission
Non-operational Civil Communications
Bus & Motor
HS-389, R-4D-12 X2
Mass
4,260 kg wet, 1,908 kg dry
Launch date (UTC)
Launch vehicle
Launch site
Object type
Shape & HBR
Cyl + 2 Pan, 5.9 m
Radar Cross Section
46.343 m², Large (>1 m²)
Expand to show TLE details & historyLast TLE update: 2 days ago
TLE from 2 days ago
0 INTELSAT 601
1 21765U 91075A 26171.31349104 .00000073 00000-0 00000+0 0 9994
2 21765 13.3911 16.9118 0001591 328.5507 261.2225 0.99588529126401Epoch: 2026-06-20T07:31Z
TLE epoch observation values (Epoch: 2026-06-20T07:31:25.625Z)
Latitude
-10.20095°
Longitude
-135.4834°
Altitude
35,981.763 km
Speed
3.068 km/s
True Right ascension
16h 23m 36s
True Declination
-10° 11' 27"
Sunlit
Visualization orbit readout
Latitude
Unknown
Longitude
Unknown
Altitude
Unknown
Speed
Unknown
Apparent Right ascension
Unknown
Apparent Declination
Unknown
Sunlit
Visualization observer readout
Local Sidereal Time
23:07:30
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
35,986.952 km
Perigee altitude
35,973.474 km
Semi-major axis
42,358.35 km
Eccentricity
0.00016
Inclination
13.3911°
RAAN
16.9118°
Arg. of periapsis
328.5507°
True anomaly
261.20448°
Mean anomaly
261.2225°
Eccentric anomaly
261.21349°
Mean motion
0.24896 °/min
Orbital period
1,446 mins
BSTAR
0
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Other satellites on launch #75 in the year 1991 (1991-10-29 UTC)
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You can import UDL-sourced sensor .json files into the Sandbox to generate a visibility chart that accounts for multi-vendor sensor geometry.INTELSAT 601 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 | 2026-06-22 12:05:13.585Z | 219.112° SW | 2026-06-22 22:48:13.585Z | 240.076° WSW | 34.017° | 2026-06-23 12:05:13.585Z | 221.409° SW |
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21765 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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