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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). 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/634?theme=dark&initialShowStats=false

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ISO8601 Format

Identifier

634, 1963-031A

Orbit

GEO

Last TLE update

5 hours ago

Origin

National Aeronautics and Space Administration (NASA) (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 (62 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 5 hours ago

0 SYNCOM 2 (A 26)
1   634U 63031A   25129.47022898 -.00000182  00000-0  00000+0 0  9996
2   634  30.8490 306.1396 0008128 192.5701 342.5143  1.00285977226305

Epoch: 2025-05-09T11:17Z

Definitive object data (Epoch: 2025-05-09T11:17:07.783Z)

Latitude

2.49179°

Longitude

85.11503°

Altitude

35,749.572 km

Speed

3.077 km/s

True Right ascension

08h 07m 41s

True Declination

2° 29' 21"

Sunlit

Object was in daylight at TLE epoch

Visualization TLE readout

Latitude

-29.07634°

Longitude

157.81108°

Altitude

35,773.171 km

Speed

3.076 km/s

Apparent Right ascension

12h 55m 16s

Apparent Declination

-30° 27' 59"

Sunlit

Object is in daylight

Visualization observer readout

Local Sidereal Time

00:31:05

Azimuth

330.602° NNW

Elevation

-79.344°

Doppler factor

Orbital elements

Apogee altitude

35,817.544 km

Perigee altitude

35,749.007 km

Semi-major axis

42,161.412 km

Eccentricity

0.0008128

Inclination

30.849°

RAAN

306.1396°

Arg. of periapsis

192.5701°

True anomaly

342.48629°

Mean anomaly

342.5143°

Eccentric anomaly

342.5003°

Mean motion

0.25071 °/min

BSTAR

Unknown

Orbital period

1435.93 mins

Loading historical data...

634 neighbors

Authenticating...

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Other satellites on launch #31 in the year 1963 (1963-07-26 UTC)

DELTA 1 R/B, 625 (Decayed)

SYNCOM 2 (A 26) Visibility forecast

Observer location: undefined°, undefined°

SYNCOM 2 (A 26) is not visible in the next 10 days

Authenticating...

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Check out SYNCOM 2 (A 26), 634 on other resources

View SYNCOM 2 (A 26), 634 on NASA - NSSDCA Website

View SYNCOM 2 (A 26), 634 on Heavens-Above

View SYNCOM 2 (A 26), 634 on Keep Track

View SYNCOM 2 (A 26), 634 on Celestrak

View SYNCOM 2 (A 26), 634 on Gunter's Space Page

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