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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	3 days 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 3 days ago

0 SYNCOM 2 (A 26)
1 00634U 63031A   25015.83726019 -.00000108  00000-0  00000-0 0  9995
2 00634  31.0884 307.7336 0007790 202.6631 343.3768  1.00296168225175

Epoch: 2025-01-15T20:05Z

Definitive object data (Epoch: 2025-01-15T20:05:39.28Z)

Latitude	-3.10097°
Longitude	75.95567°
Altitude	35,748.448 km
Speed	3.077 km/s
True Right ascension	08h 51m 34s
True Declination	-3° 05' 52"
Sunlit	Object was in daylight at TLE epoch

Visualization TLE readout

Latitude	8.99918°
Longitude	55.56728°
Altitude	35,753.714 km
Speed	3.077 km/s
Apparent Right ascension	07h 28m 06s
Apparent Declination	3° 05' 36"
Sunlit	Object is in daylight

Visualization observer readout

Local Sidereal Time	19:11:51
Azimuth	354.066° N
Elevation	-46.829°
Doppler factor	1

Orbital elements

Apogee altitude	35,813.255 km
Perigee altitude	35,747.572 km
Semi-major axis	42,158.551 km
Eccentricity	0.000779
Inclination	31.0884°
RAAN	307.7336°
Arg. of periapsis	202.6631°
True anomaly	343.35124°
Mean anomaly	343.3768°
Eccentric anomaly	343.36402°
Mean motion	0.25073 °/min
BSTAR	Unknown
Orbital period	1435.78 mins