Showing default

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.

Loading next visibility...

Iframe embed code

<iframe src="https://www.satcat.com/sats-embedded/39634?theme=dark&initialShowStats=false" width="600" height="400" frameborder="0" title="Kayhan Space Satcat Satellite Viewer"></iframe>

Iframe URL

https://www.satcat.com/sats-embedded/39634?theme=dark&initialShowStats=false

Optional Secondary NORAD IDs

Max 10 NORAD IDs; Separated by commas

Initial load time (optional)

ISO8601 Format

TLE date request (optional)

ISO8601 Format

Identifier

39634, 2014-016A

Orbit

SSO

Country

ESA

Related business

European Space Agency (FR)

Manufacturer

Thales Alenia

Mission

Operational Civil Radar Imaging

Bus & Motor

PRISMA, AOCS

Mass

2,157 kg wet, 2,027 kg dry

Launch date (UTC)

2014-04-03 (11 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

23.487 m², Large (>1 m²)

Expand to show TLE details & history
Last TLE update: 7 hours ago

TLE from 7 hours ago

0 SENTINEL 1A
1 39634U 14016A   25259.01333016  .00000173  00000-0  46357-4 0  9997
2 39634  98.1828 265.5268 0001352  89.4002 270.7353 14.59200295610035

Epoch: 2025-09-16T00:19Z

TLE epoch observation values (Epoch: 2025-09-16T00:19:11.725Z)

Latitude

-0.00001°

Longitude

-94.48178°

Altitude

698.73 km

Speed

7.507 km/s

True Right ascension

17h 42m 06s

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

00:07:04

Azimuth

Unknown

Elevation

Unknown

Doppler factor

Unknown

Orbital elements

Apogee altitude

693.795 km

Perigee altitude

691.883 km

Semi-major axis

7,070.976 km

Eccentricity

0.00014

Inclination

98.1828°

RAAN

265.5268°

Arg. of periapsis

89.4002°

True anomaly

270.71981°

Mean anomaly

270.7353°

Eccentric anomaly

270.72755°

Mean motion

3.65026 °/min

Orbital period

98.62 mins

BSTAR

0.000046357

Loading maneuver chart data...

Computing Atmospheric mass density...

Loading historical data...

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

SENTINEL 1A DEB, 41798 (Decayed)

SENTINEL 1A DEB, 41799 (Decayed)

SENTINEL 1A DEB, 41800 (Decayed)

SENTINEL 1A DEB, 41801 (Decayed)

SENTINEL 1A DEB, 41802 (Decayed)

SENTINEL 1A DEB, 41803 (Decayed)

SENTINEL 1A DEB, 41804 (Decayed)

SENTINEL 1A DEB, 43417 (Decayed)

Did you know?

You can import UDL-sourced sensor .json files into the Sandbox to generate a visibility chart that accounts for multi-vendor sensor geometry.

Click here to try in Sandbox

SENTINEL 1A Visibility forecast

Loading observer location...
Set Observer location

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.
6 mins	2025-09-16 12:26:32.513Z	53.774° ENE	2025-09-16 12:29:32.513Z	101.684° ESE	19.925°	2025-09-16 12:32:32.513Z	142.686° SSE
6 mins	2025-09-16 14:04:32.513Z	339.932° N	2025-09-16 14:06:32.513Z	298.035° NW	30.702°	2025-09-16 14:10:32.513Z	226.613° WSW
5 mins	2025-09-16 23:31:32.513Z	101.584° ESE	2025-09-16 23:33:32.513Z	68.625° E	20.756°	2025-09-16 23:36:32.513Z	22.593° NE
6 mins	2025-09-17 01:08:32.513Z	209.071° SW	2025-09-17 01:10:32.513Z	247.891° W	30.269°	2025-09-17 01:14:32.513Z	324.713° NNW

Co-orbital & Co-planar RSOs

Thresholds — Semi-major Axis: ±100 km, RAAN: ±3°, Inclination: ±5°
TCA is derived from TLE conjunctions

Please sign-in to view Co-orbital & Co-planar RSOs.

Click to sort rows by RSO header in ascending order	Click to sort rows by Country header in ascending order	Click to sort rows by Type header in ascending order	Click to sort rows by Inclination Δ header in ascending order	Click to sort rows by RAAN Δ header in ascending order	Click to sort rows by Coplanar Angle header in ascending order	Click to sort rows by SMA Δ header in ascending order	Click to sort rows by Orbital period header in ascending order	Click to sort rows by <5km Md TCA header in ascending order

CAUTION: Conjunctions in this section are generated from low-fidelity TLE screenings

Authenticating...

Click to sort rows by Secondary header in ascending order	Click to sort rows by Secondary name header in ascending order	Click to sort rows by Country header in ascending order	Click to sort rows by Owner header in ascending order	Click to sort rows by Obj. Type header in ascending order	Click to sort rows by Miss dist. header in ascending order	Click to sort rows by Rel. speed header in ascending order	Click to sort rows by Apr. angle header in ascending order	Click to sort rows by TCA header in ascending order

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: 7 hours ago

TLE from 7 hours ago

TLE epoch observation values (Epoch: 2025-09-16T00:19:11.725Z)

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: 7 hours ago