Engineering:Sentinel-3B

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Sentinel-3B
Sentinel-3 spacecraft model.svg
Vector drawing of the Sentinel-3
Mission typeEarth observation
OperatorESA · EUMETSAT
COSPAR ID2018-039A
SATCAT no.43437
WebsiteSentinel-3 (ESA)
Mission durationPlanned: 7 years
Elapsed: 6 years, 1 day
Spacecraft properties
Spacecraft typeSentinel-3
BusPrima
ManufacturerThales Alenia Space[1]
Launch mass1,250 kg (2,756 lb)[2]
Dry mass1,150 kg (2,535 lb)[3]
Dimensions3.9 × 2.2 × 2.2 m (12.8 × 7.2 × 7.2 ft)[2]
Power2,300 watts[3]
Start of mission
Launch date25 April 2018, 17:57:51 (2018-04-25UTC17:57:51) UTC[1]
RocketRokot
Launch sitePlesetsk Cosmodrome, Site 133
ContractorEurockot Launch Services
Orbital parameters
Reference systemGeocentric
RegimeSun-synchronous
Semi-major axis7,180.77 km (4,461.92 mi)
Eccentricity0.0001027
Perigee altitude801.90 km (498.28 mi)
Apogee altitude803.38 km (499.20 mi)
Inclination98.6276°
Period100.93 min
RAAN183.84°
Argument of perigee96.39°
Mean motion14.26 rev/day
Repeat interval27 days[4]
Epoch25 April 2018, 20:50:15 UTC[5]
Transponders
BandS band (TT&C support)
X band (science data)
BandwidthS band: 64 kbit/s uplink, 1 Mbit/s downlink
X band: 2 × 280 Mbit/s
← Sentinel-3A
Sentinel-3C →
 

Sentinel-3B is a European Space Agency Earth observation satellite dedicated to oceanography which launched on 25 April 2018.[1] It was built as a part of the Copernicus Programme, and is the second (after Sentinel-3A, launched 16 February 2016) of four planned Sentinel-3 satellites.

Launch

Sentinel-3B was successfully launched on 25 April 2018 at 17:57 UTC from the Plesetsk Cosmodrome aboard a Rokot launch vehicle.[1]

See also

References

  1. ↑ 1.0 1.1 1.2 1.3 Clark, Stephen (25 April 2018). "European environmental observer launched by Russian rocket". Spaceflight Now. https://spaceflightnow.com/2018/04/25/european-environmental-observer-launched-by-russian-rocket/. 
  2. ↑ 2.0 2.1 "Copernicus: Sentinel-3". eoPortal. European Space Agency. https://directory.eoportal.org/web/eoportal/satellite-missions/c-missions/copernicus-sentinel-3. 
  3. ↑ 3.0 3.1 "Satellite: Sentinel-3B". World Meteorological Organization. https://www.wmo-sat.info/oscar/satellites/view/401. 
  4. ↑ "Sentinel-3 › Mission Summary". European Space Agency. https://sentinels.copernicus.eu/web/sentinel/missions/sentinel-3/overview/mission-summary. 
  5. ↑ "Sentinel 3B - Orbit". Heavens Above. 25 April 2018. http://heavens-above.com/orbit.aspx?satid=41335. 

External links



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