Sentinel-3B

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, 7 months, 10 days
Spacecraft properties
Spacecraft type	Sentinel-3
Bus	Prima
Manufacturer	Thales Alenia Space
Launch mass	1,250 kg (2,756 lb)
Dry mass	1,150 kg (2,535 lb)
Dimensions	3.9 × 2.2 × 2.2 m (12.8 × 7.2 × 7.2 ft)
Power	2,300 watts
Start of mission
Launch date	25 April 2018, 17:57:51 UTC
Rocket	Rokot/Briz-KM
Launch site	Plesetsk Cosmodrome, Site 133
Contractor	Eurockot Launch Services
Orbital parameters
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
Epoch	25 April 2018, 20:50:15 UTC
Transponders
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
OLCI
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-3 ← 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]

References

^ ^a ^b ^c ^d Clark, Stephen (25 April 2018). "European environmental observer launched by Russian rocket". Spaceflight Now. Retrieved 25 April 2018.
^ ^a ^b "Copernicus: Sentinel-3". eoPortal. European Space Agency. Retrieved 25 April 2018.
^ ^a ^b "Satellite: Sentinel-3B". World Meteorological Organization. Retrieved 25 April 2018.
^ "Sentinel-3 › Mission Summary". European Space Agency. Retrieved 30 January 2016.
^ "Sentinel 3B - Orbit". Heavens Above. 25 April 2018. Retrieved 25 April 2018.

External links

Sentinel-3 program website by ESA
Sentinel-3 website by the Copernicus Programme
Real-time orbital tracking - uphere.space

[sfn20180425-1] Clark, Stephen (25 April 2018). "European environmental observer launched by Russian rocket". Spaceflight Now. Retrieved 25 April 2018.

[eoportal-2] "Copernicus: Sentinel-3". eoPortal. European Space Agency. Retrieved 25 April 2018.

[wmo-sat-3] "Satellite: Sentinel-3B". World Meteorological Organization. Retrieved 25 April 2018.

[S3summ-4] "Sentinel-3 › Mission Summary". European Space Agency. Retrieved 30 January 2016.

[heavens-above-5] "Sentinel 3B - Orbit". Heavens Above. 25 April 2018. Retrieved 25 April 2018.

[1]

[2]

[3]

[4]

[5]

v t e ← 2017 Orbital launches in 2018 2019 →
January	USA-280 / Zuma BeiDou-3 M7, BeiDou-3 M8 Cartosat-2F, ICEYE-X1, Microsat-TD, Arkyd-6A, Carbonite-2, Flock-3p' × 4, Fox-1D, Landmapper BC 3 v2, Lemur-2 × 4, PicSat, SpaceBEE × 4 USA-281 / Topaz-5 Jilin-1 Video-07, Jilin-1 Video-08, Kepler 0 KIPP USA-282 / SBIRS-GEO-4 Humanity Star, Dove Pioneer, Lemur-2 × 2 Yaogan 30-04 (3 satellites) SES-14, Al Yah 3 GovSat-1 / SES-16
February	Kanopus-V No. 3, No. 4, S-Net × 4 , Lemur-2 × 4 CSES, ÑuSat 4, 5 TRICOM-1R Falcon Heavy test flight (Tesla Roadster) BeiDou-3 M3, M4 Progress MS-08 Paz, Tintin A & B IGS-Optical 6
March	GOES-17 Hispasat 30W-6 O3b × 4 (FM13 to FM16) Soyuz MS-08 GSAT-6A EMKA / Kosmos 2525 BeiDou-3 M9, M10 Iridium NEXT 41–50 Gaofen-1-02, 03, 04
April	Dragon CRS-14, 1KUNS-PF, Irazú, UBAKUSAT Superbird-B3, HYLAS-4 Yaogan 31A, 31B, 31C, Weina 1B IRNSS-1I AFSPC-11, EAGLE Blagovest-12L / Kosmos 2526 TESS Sentinel-3B Zhuhai-1 × 5
May	Apstar 6C InSight, MarCO A, MarCO B Gaofen 5 Bangabandhu-1 Chang'e 4 Relay, Longjiang 1, Longjiang 2 Cygnus CRS OA-9E (EnduroSat One, EQUiSat, Lemur-2 × 4, RaInCube) Iridium NEXT 51–55, GRACE-FO 1, GRACE-FO 2
June	Gaofen-6 SES-12 Fengyun-2H Soyuz MS-09 IGS-Radar 6 GLONASS-M 756 / Kosmos 2527 XJSS A, B Dragon CRS-15 (Biarri-Squad × 3, BHUTAN-1, Maya-1, UiTMSAT-1)
July	PRSS-1, PakTES-1A BeiDou IGSO-7 Progress MS-09 Telstar 19V Galileo FOC 19–22 Iridium NEXT 56–65 BeiDou-3 M5, M6 Gaofen 11
August	Telkom-4 / Merah Putih Parker Solar Probe ADM-Aeolus BeiDou-3 M11, BeiDou-3 M12
September	HY-1C Telstar 18V ICESat-2 — SSTL S1-4, NovaSAR-1 BeiDou-3 M13, M14 Kounotori 7 Azerspace-2 / Intelsat 38, Horizons-3e CentiSpace-1-S1
October	SAOCOM 1A Yaogan 32A, 32B Soyuz MS-10 BeiDou-3 M15, M16 AEHF-4 BepiColombo HY 2B Lotos-S1 No. 3 / Kosmos 2528 Weilai-1 CFOSAT GOSAT-2, KhalifaSat, Diwata-2B, Stars-AO, AUTcube2
November	BeiDou-3 G1Q Kosmos 2529 / GLONASS-M 757 MetOp-C IRVINE01, Lemur-2 × 2 GSAT-29 Es'hail 2 Progress MS-10 Cygnus NG-10 BeiDou-3 M17, BeiDou-3 M18 Shiyan 6-01 Mohammed VI-B HySIS, Blacksky Global 1, FACSAT-1, Flock-3r × 16, Kepler 1 CASE, Lemur-2 × 4 Kosmos 2530 / Strela-3M 16, Kosmos 2531 / Strela-3M 17, Kosmos 2532 / Strela-3M 18
December	Soyuz MS-11 SHERPA, Blacksky Global 2, Capella 1, ESEO, Eu:CROPIS, FalconSAT 6, ICEYE X2, SkySat 14, SkySat 15, STPSat 5, ENOCH, Flock-3s × 3, IRVINE02, Landmapper BC 4, MinXSS-2, Orbital Reflector, PW-Sat 2, SpaceBEE × 3 GSAT-11, GEO-KOMPSAT 2A SpaceX CRS-16 (TechEdSat 8, UNITE) Chang'e 4 (Yutu-2) CubeSail, RSat-P, STF-1 GSAT-7A CSO-1 Kosmos 2533 / Blagovest-13L USA-289 / GPS IIIA-01 Kanopus-V No. 5, No. 6, Flock-3k × 12, Lemur-2 × 8, Lume-1 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).

Launch

See also

References

External links