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SENTINEL 1B, 41456

Orbit data source: Space-Track

SENTINEL 1B, 41456 is an ESA payload satellite in SSO that was launched on Mon, 25 Apr 2016 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 src="https://www.satcat.com/sats-embedded/41456?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/41456?theme=dark&initialShowStats=false

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ISO8601 Format

Identifier

41456, 2016-025A

Orbit

SSO

Country

ESA

Related business

Directorate-General for Internal Market, Industry, Entrepreneurship and SMEs (BE)

Manufacturer

Thales Alenia

Mission

Non-operational Civil Radar Imaging

Bus & Motor

PRISMA, AOCS

Mass

2,157 kg wet, 2,027 kg dry

Launch date (UTC)

2016-04-25 (9 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: 5 hours ago

TLE from 5 hours ago

0 SENTINEL 1B
1 41456U 16025A   25257.25922752  .00002529  00000-0  22391-3 0  9997
2 41456  98.1342 302.1196 0015432 332.1227  27.9165 14.97169630502469

Epoch: 2025-09-14T06:13Z

TLE epoch observation values (Epoch: 2025-09-14T06:13:17.257Z)

Latitude

-0.00006°

Longitude

-144.6831°

Altitude

569.204 km

Speed

7.582 km/s

True Right ascension

20h 08m 28s

True Declination

0° 00' 00"

Sunlit

Object was in full shadow 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

03:17:49

Azimuth

Unknown

Elevation

Unknown

Doppler factor

Unknown

Orbital elements

Apogee altitude

583.402 km

Perigee altitude

561.949 km

Semi-major axis

6,950.812 km

Eccentricity

0.00154

Inclination

98.1342°

RAAN

302.1196°

Arg. of periapsis

332.1227°

True anomaly

27.99943°

Mean anomaly

27.9165°

Eccentric anomaly

27.95795°

Mean motion

3.74533 °/min

Orbital period

96.12 mins

BSTAR

0.00022391

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Other satellites on launch #25 in the year 2016 (2016-04-25 UTC)

MICROSCOPE, 41457

OUFTI-1, 41458 (Decayed)

E-STAR-2, 41459 (Decayed)

AAUSAT 4, 41460 (Decayed)

ASAP-S, 41461 (Decayed)

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

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SENTINEL 1B 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.
5 mins	2025-09-14 16:25:37.846Z	346.124° N	2025-09-14 16:27:37.846Z	289.99° WNW	35.046°	2025-09-14 16:30:37.846Z	220.607° SW
6 mins	2025-09-15 03:12:37.846Z	175.672° S	2025-09-15 03:14:37.846Z	206.724° SW	42.204°	2025-09-15 03:18:37.846Z	342.556° N

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

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Check out SENTINEL 1B, 41456 on other resources

View SENTINEL 1B, 41456 on NASA - NSSDCA Website

View SENTINEL 1B, 41456 on Heavens-Above

View SENTINEL 1B, 41456 on Keep Track

View SENTINEL 1B, 41456 on Celestrak

View SENTINEL 1B, 41456 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 1B, 41456

Orbit data source: Space-Track

Expand to show TLE details & historyLast TLE update: 5 hours ago

TLE from 5 hours ago

TLE epoch observation values (Epoch: 2025-09-14T06:13:17.257Z)

Visualization orbit readout

Visualization observer readout

Orbital elements

Other satellites on launch #25 in the year 2016 (2016-04-25 UTC)

SENTINEL 1B Visibility forecast

Co-orbital & Co-planar RSOs

Check out SENTINEL 1B, 41456 on other resources

Documentation

Expand to show TLE details & history
Last TLE update: 5 hours ago