Sentinel-3B Explained

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Sentinel-3B
Mission Type:Earth observation
Operator:ESAEUMETSAT
Cospar Id:2018-039A
Satcat:43437
Mission Duration:Planned: 7 years
Elapsed:
Spacecraft Type:Sentinel-3
Spacecraft Bus:Prima
Manufacturer:Thales Alenia Space[1]
Launch Mass:12500NaN0[2]
Dry Mass:11500NaN0[3]
Dimensions:3.9xx
Power:2,300 watts
Launch Date: UTC
Launch Rocket:Rokot/Briz-KM
Launch Site:Plesetsk Cosmodrome, Site 133
Launch Contractor:Eurockot Launch Services
Orbit Reference:Geocentric
Orbit Regime:Sun-synchronous
Orbit Semimajor:7180.77km (4,461.92miles)
Orbit Eccentricity:0.0001027
Orbit Periapsis:801.9km (498.3miles)
Orbit Apoapsis:803.38km (499.2miles)
Orbit Inclination:98.6276°
Orbit Period:100.93 min
Orbit Raan:183.84°
Orbit Arg Periapsis:96.39°
Orbit Mean Motion:14.26 rev/day
Orbit Repeat:27 days[4]
Orbit Epoch:25 April 2018, 20:50:15 UTC[5]
Apsis:gee
Trans Band:S band (TT&C support)
X band (science data)
Trans Bandwidth:S band

64 kbit/s uplink, 1 Mbit/s downlink
X band: 2 × 280 Mbit/s

Instruments List:
Acronym1:OLCI
Name1:Ocean and Land Colour Instrument
Acronym2:SLSTR
Name2:Sea and Land Surface Temperature Radiometer
Acronym3:SRAL
Name3:Synthetic Aperture Radar Altimeter
Acronym4:MWR
Name4:Microwave Radiometer
Acronym5:DORIS
Name5:Doppler Orbitography and Radiopositioning Integrated by Satellite
Acronym6:LRR
Name6:Laser Retro-Reflector
Acronym7:GNSS
Name7:Global Navigation Satellite System
Programme:Sentinel-3
Previous Mission:Sentinel-3A
Next Mission:Sentinel-3C

Sentinel-3B is a European Space Agency Earth observation satellite dedicated to oceanography which launched on 25 April 2018. 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.

See also

External links

Notes and References

  1. News: European environmental observer launched by Russian rocket . Spaceflight Now . Stephen . Clark . 25 April 2018 . 25 April 2018.
  2. Web site: Copernicus: Sentinel-3 . eoPortal . European Space Agency . 25 April 2018.
  3. Web site: Satellite: Sentinel-3B . . 25 April 2018.
  4. Web site: Sentinel-3 › Mission Summary . European Space Agency . 30 January 2016.
  5. Web site: Sentinel 3B - Orbit . Heavens Above . 25 April 2018 . 25 April 2018.