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SYNCOM 2 (A 26), 634

Orbit data source: Space-Track

SYNCOM 2 (A 26), 634 is a payload satellite owned by GSFC (US) in GEO that was launched on Fri, 26 Jul 1963 UTC via a THOR DELTA B launch vehicle from the Air Force Eastern Test Range (AFETR). Payloads include a variety of satellites, spacecraft, and rockets 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

SYNCOM 2 (A 26) details

Identifier	634, 1963-031A
Orbit	GEO
Last TLE update	1 day ago
Origin	GSFC (US)
Manufacturer	Hughes
Mission	Non-operational Civil Communications
Bus & Motor	HS-301, JPL SR-12-1
Mass	66 kg wet, ~30 kg dry
Launch date (UTC)	1963-07-26 (61 years ago)
Launch vehicle	THOR DELTA B
Launch site	Air Force Eastern Test Range (AFETR)
Object type	Payload Rocket body Debris
Shape & HBR	Cyl, 0.71 m
Radar Cross Section	0.415 m², Large (>1 m²)

Expand to show TLE details & history

TLE from 1 day ago

0 SYNCOM 2 (A 26)
1 00634U 63031A   25001.87519069 -.00000088  00000-0  00000-0 0  9996
2 00634  31.1184 307.9286 0007928 203.7950 340.8102  1.00296319225031

Epoch: 2025-01-01T21:00Z

Definitive object data (Epoch: 2025-01-01T21:00:16.475Z)

Latitude	-2.36519°
Longitude	75.00316°
Altitude	35,748.275 km
Speed	3.077 km/s
True Right ascension	08h 47m 20s
True Declination	-2° 21' 46"
Sunlit	Object was in daylight at TLE epoch

Visualization TLE readout

Latitude	-23.31351°
Longitude	116.52042°
Altitude	35,755.772 km
Speed	3.077 km/s
Apparent Right ascension	11h 34m 58s
Apparent Declination	-25° 26' 09"
Sunlit	Object is in daylight

Visualization observer readout

Local Sidereal Time	23:47:23
Azimuth	11.101° NNE
Elevation	-75.289°
Doppler factor	1

Orbital elements

Apogee altitude	35,813.794 km
Perigee altitude	35,746.947 km
Semi-major axis	42,158.508 km
Eccentricity	0.0007928
Inclination	31.1184°
RAAN	307.9286°
Arg. of periapsis	203.795°
True anomaly	340.78031°
Mean anomaly	340.8102°
Eccentric anomaly	340.79526°
Mean motion	0.25074 °/min
BSTAR	Unknown
Orbital period	1435.78 mins