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SENTINEL 1A, 39634

Orbit data source: Space-Track

SENTINEL 1A, 39634 is a payload satellite owned by ESA (ESA) in SSO that was launched on Thu, 03 Apr 2014 UTC via a SOYUZ-ST-A 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/39634?theme=dark&initialShowStats=false

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Identifier

39634, 2014-016A

Orbit

SSO

Country

ESA

Related business

European Space Agency (FR)

Manufacturer

Thales Alenia

Mission

Operational Civil Radar Imaging

Bus & Motor

PRIMA, AOCS

Mass

2,157 kg wet, 2,027 kg dry

Launch date (UTC)

2014-04-03 (12 years ago)

Launch vehicle

SOYUZ-ST-A

Launch site

French Guiana (FRGUI)

Object type

Payload

Rocket body

Debris

Shape & HBR

Box + 4 Pan, 10.5 m

Radar Cross Section

37.595 m², Large (>1 m²)

Expand to show TLE details & history
Last TLE update: 6 hours ago

TLE from 6 hours ago

0 SENTINEL 1A
1 39634U 14016A   26095.81895015 -.00000170  00000-0 -26319-4 0  9991
2 39634  98.1809 104.4001 0001371  83.0107 277.1249 14.59196887639461

Epoch: 2026-04-05T19:39Z

TLE epoch observation values (Epoch: 2026-04-05T19:39:17.292Z)

Latitude

-0.00001°

Longitude

-24.54086°

Altitude

698.633 km

Speed

7.507 km/s

True Right ascension

06h 57m 36s

True Declination

0° 00' 00"

Sunlit

Object was in daylight at epoch

Visualization orbit readout

Latitude

Unknown

Longitude

Unknown

Altitude

Unknown

Speed

Unknown

Apparent Right ascension

Unknown

Apparent Declination

Unknown

Sunlit

N/A

Visualization observer readout

Local Sidereal Time

07:38:31

Azimuth

Unknown

Elevation

Unknown

Doppler factor

Unknown

Orbital elements

Apogee altitude

693.819 km

Perigee altitude

691.88 km

Semi-major axis

7,070.987 km

Eccentricity

0.00014

Inclination

98.1809°

RAAN

104.4001°

Arg. of periapsis

83.0107°

True anomaly

277.10931°

Mean anomaly

277.1249°

Eccentric anomaly

277.11711°

Mean motion

3.65025 °/min

Orbital period

98.62 mins

BSTAR

-0.000026319

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Other satellites on launch #16 in the year 2014 (2014-04-03 UTC)

SENTINEL 1A DEB, 41804 (Decayed)

SENTINEL 1A DEB, 43417 (Decayed)

SENTINEL 1A DEB, 41803 (Decayed)

SENTINEL 1A DEB, 41798 (Decayed)

SENTINEL 1A DEB, 41801 (Decayed)

SENTINEL 1A DEB, 41802 (Decayed)

SENTINEL 1A DEB, 41800 (Decayed)

SENTINEL 1A DEB, 41799 (Decayed)

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SENTINEL 1A 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.
7 mins	2026-04-06 12:41:32.212Z	36.173° NE	2026-04-06 12:45:32.212Z	100.88° ESE	27.337°	2026-04-06 12:48:32.212Z	151.969° SSE
6 mins	2026-04-06 14:20:32.212Z	333.019° NNW	2026-04-06 14:22:32.212Z	298.761° NW	23.368°	2026-04-06 14:26:32.212Z	238.175° WSW
6 mins	2026-04-06 23:47:32.212Z	112.785° SE	2026-04-06 23:49:32.212Z	72.304° E	27.576°	2026-04-06 23:53:32.212Z	9.1° NNE
6 mins	2026-04-07 01:24:32.212Z	219.489° SW	2026-04-07 01:27:32.212Z	270.726° WNW	22.91°	2026-04-07 01:30:32.212Z	315.692° NNW

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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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Check out SENTINEL 1A, 39634 on other resources

View SENTINEL 1A, 39634 on NASA - NSSDCA Website

View SENTINEL 1A, 39634 on Heavens-Above

View SENTINEL 1A, 39634 on Keep Track

View SENTINEL 1A, 39634 on Celestrak

View SENTINEL 1A, 39634 on Gunter's Space Page

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

SENTINEL 1A, 39634

Orbit data source: Space-Track

Expand to show TLE details & historyLast TLE update: 6 hours ago

TLE from 6 hours ago

TLE epoch observation values (Epoch: 2026-04-05T19:39:17.292Z)

Visualization orbit readout

Visualization observer readout

Orbital elements

Other satellites on launch #16 in the year 2014 (2014-04-03 UTC)

SENTINEL 1A Visibility forecast

Co-orbital & Co-planar RSOs

Check out SENTINEL 1A, 39634 on other resources

Documentation

Expand to show TLE details & history
Last TLE update: 6 hours ago