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.
Quick Facts Mission type, Operator ...
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: 7 years, 2 months, 27 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 |
---|
|
|
Close