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Sentinel-3B
Vector drawing of the Sentinel-3
Mission type
Earth observation Operator
ESA ·
EUMETSAT
COSPAR ID
2018-039A
SATCAT
no. 43437 Website
Sentinel-3 (ESA) Mission duration Planned: 7 years Elapsed: 6 years, 1 month, 30 days
Spacecraft type
Sentinel-3
Bus
Prima Manufacturer
Thales Alenia Space
[1] Launch mass 1,250 kg (2,756 lb)
[2] Dry mass 1,150 kg (2,535 lb)
[3] Dimensions 3.9 × 2.2 × 2.2 m (12.8 × 7.2 × 7.2 ft)
[2] Power 2,300 watts
[3]
Launch date 25 April 2018, 17:57:51 (2018-04-25UTC17:57:51 ) UTC
[1] Rocket
Rokot /
Briz-KM Launch site
Plesetsk Cosmodrome ,
Site 133 Contractor
Eurockot Launch Services
Reference system
Geocentric Regime
Sun-synchronous
Semi-major axis 7,180.77 km (4,461.92 mi)
Eccentricity 0.0001027
Perigee altitude 801.90 km (498.28 mi)
Apogee altitude 803.38 km (499.20 mi)
Inclination 98.6276°
Period 100.93 min
RAAN 183.84°
Argument of perigee 96.39°
Mean motion 14.26 rev/day Repeat interval 27 days
[4]
Epoch 25 April 2018, 20:50:15 UTC
[5]
Band
S band (TT&C support)
X band (science data) Bandwidth
S band : 64 kbit/s uplink, 1 Mbit/s downlink
X band : 2 × 280 Mbit/s
Instruments OLCI Ocean and Land Colour Instrument SLSTR Sea and Land Surface Temperature Radiometer SRAL Synthetic Aperture Radar Altimeter MWR Microwave Radiometer DORIS Doppler Orbitography and Radiopositioning Integrated by Satellite LRR Laser Retro-Reflector GNSS Global Navigation Satellite System
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
External links
Science
Solar physics Planetary science Astronomy and cosmology
Earth observation
ISS spaceflight Telecommunications Technology demonstrators
Cancelled and proposed Failed
Future missions in
italics
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USA-280 / Zuma
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Yunhai-2 01 (6 satellites)
Launches are separated by dots ( • ), payloads by commas ( , ), multiple names for the same satellite by slashes ( / ).Crewed flights are underlined. Launch failures are marked with the † sign. Payloads deployed from other spacecraft are (enclosed in parentheses).