Current Status of EUMETSAT satellite missions

Transcription

1 Current Status of EUMETSAT satellite missions Ken Holmlund Meteorological Operations Division PSTG June, Geneva, Switzerland

2 Content of talk: EUMETSAT Polar System Status - Metop-A status - Dual Metop (A/B) operations - Metop-B launch date EUMETSAT Geostationary System Status -Current satellites (MFG and MSG) -MTG Third Party Services - Operational Agencies (NOAA, CMA, JMA, etc) - R&D satellites (Oceansat-2, GCOM-W1, Megha-Tropiques, CFOSAT, etc) Slide: 2

3 Metop-A Status (Launched October 2006) DHSA: Redundant CCU I/O Board Recovered after last PLSOL HRPT:B unit in restricted operation. Complete longitudinal coverage zone active since 18th January 2011 (No transmission at higher latitudes in both hemispheres) AMSU A1: Channel 7 is declared failed MHS Local oscillator swap has improved H3/4 NEDT, but trend still continues out of spec ca. Mid/late 2013 A-DCS: frequency complaints - no requests to stop operations. GOME throughput loss in UV continues Slide: 3

4 Objective of the Metop-A Lifetime Extension Review Confirm that the Metop-A lifetime can be safely and usefully extended through the planned Out-of-Plane Manoeuvre in Q Assess the feasibility and need to extend Metop-A lifetime until the end of commissioning of Metop-C, thereby enabling a continuous dual-metop operational scenario following the commissioning of Metop-B. Assess the Metop-A End-of-Life scenario implications of the necessary lifetime extension to achieve the above and their compliance with the EUMETSAT space debris guidelines (under construction). Slide: 4

5 Contents of the Review Overview of the factors under consideration Orbital positioning Metop-A,B,C planning User needs for both Metop-A+ B products Need for satellite standby support Metop-A health status and outlook Approach to assessing feasibility of EOL operations Assessment of OOP Manoeuvre Planning and EOL implications including survivability (FDF presentation) Compliance to EUMETSAT draft debris guidelines Operations costs for extension Recommendations vs. Objectives Slide: 5

6 Compliance to Draft EUMETSAT Space Debris Guidelines & ISO Space Debris Mitigation Guidelines are under construction within EUMETSAT. The applicable standard to these guidelines is ISO not formally applicable to Metop (old satellite design) best effort basis Note that the casualty risk is not stated in this ISO standard (nor in the IADC recommendations). Both NASA Safety Standards for Space Debris Mitigation as well as ESA requirements limit the casualty risk to less than 10-4 [persons per event]. According to these requirements, if total risk is higher than this, uncontrolled re-entry is not allowed. Other aspects of the guidelines / ISO standard should be compliant based on the FDF analysis, using the methods applied by CNES for French law compliance. Slide: 6

7 MHS Channels 3 & 4 Degradation Slide: 7

8 GOME-2 degradation SMR spectra for all four main channels, for the whole reference period and normalised to January => Reprocessing: New data set (G2RP R2) available this summer Slide: 8

9 GOME-2 Slide: 9

10 EPS-Metop Orbit Position Planning (with no LTAN drift) 225 Fuel required to manoeuvre Metop-C as shown has negligible impact on lifetime Phase (degrees) Metop-A Metop-B Metop-C Nom Ext B-U Deorb Metop B EOL Metop-C commissioning on intermediate phase ====== Acquisition and commissioning Nominal Mission/Primary Satellite Nominal Mission Extension/Primary Satellite Extended Mission/Back-up Satellite Relocation before EOL/Unused Satellite Metop A EOL Slide: 10

11 Low Earth Orbit Planning 2011: Antarctic Data Acquisition Demonstration Service (McMurdo) to improve data timeliness (9 out of 14 orbits) Validation of combined Metop-A/B operations 2012: Metop-B launch, commissioning and routine ops start 2014: ADA Operational Service Start (all orbits, Q1/2) 2013/2014 Q1 2013: Metop-B to become primary operational satellite (ADA timeliness). Sentinel-3A Launch (baseline Apr 2014), operations start Oct 2014 Jason-3 Launch (Oct2014) Beyond 2014 Metop-C Jason CS 2018 EPS Second Generation Slide: 11 EUMETSAT Council July > ESA Ministerial

12 Meteosat Long-Term Planning Perspective N D J F M A M J J A S O N D J F M A M J J A S O N D J F M A M J J A S O N D J F M A M J J A S O N D J F M A M J J A S O N D J F M A M J J A S O N D J F M A M 3.4ºW MSG-3 Commissioning MSG-3 Launch Met-10 drift start MSG-4 Commissioning MSG-4 Launch Met-11 IOS Met-11 drift start MTG-I1 Commissioning MTG-I1 Launch 0º.5ºE (tbc) 9.5ºE Met-9 Met-8 Met-9 drift start Met-10 drift stop Met-8 at 3 inclination Met-9 RSS stop/drift start Met-10 drift stop/rss start Met-10 drift start Met-11 drift stop Met-11 Met-9 Met ºE 63ºE 67.5ºE Met-7 Met-8 RSS stop/drift start Met-9 drift stop/rss start Met-8 takes over IODC Met-7 Met-7 disposal Met-8 Met-8 at 5 NS inclination N D J F M A M J J A S O N D J F M A M J J A S O N D J F M A M J J A S O N D J F M A M J J A S O N D J F M A M J J A S O N D J F M A M J J A S O N D J F M A M Slide: 12 Slide 12

13 MTG: Flexible combined Imager (FCI) FCI main characteristics: Coverage area: Full disc (FDC), FDC/2, FDC/3, FDC/4 Instantaneous field of view 210 km north-south swath (with 30 km overlap). Scanning alternately E-W and W-E, FDC in 10 minutes. Calibration: black body, MND solar filter Scan mirror with east-west and north-south axes. Spatial Sampling Distance: 0.5, 1.0, 2.0 km Spectral Channels: HRFI, FDHSI spatial resolutions, 1 fire channel Data rate ~65 Mbps, mass ~290 kg, power ~510 W. Heritage Europe: SEVIRI. HRFI = High Resolution Fast Imagery mission FDHSI = Full Disc High Spectral resolution Imagery mission Slide: 13

14 MTG: Lightning Imager (LI) LI main characteristics: Coverage about equal to visible disc (instantaneous view). Continuous measurements of triggered events / lightning triggered events. Continuous measurements of background images, typically one every minute. Datarate currently 30 Mbps, could be increased (e.g. 60 Mbps). Ground pixel size required < 10 km at 45 degrees north latitude and subsatellite longitude, could be <4 km for "smart" detector. Measurements at nm with nm spectral bandpass filter. Data processing 0-1b: separating false triggered events from real lightning triggered events. radiometric calibration of triggered events and background images. geolocation of triggered events and background images. quality flagging information (triggered events, measurements) will be essential. level-1b data: triggered events, background images, calibration data. level-2 data: lightning groups and flashes. level-1b draft Input-Output Data Specification (IODS) available. Slide: 14

15 MTG: Infrared Sounder (IRS) FTS Imaging Spectrometer, currently under design (phase B2) at Kayser Threde (D) Non-compliances at SC-SRR: LAC/4 Coverage (since resolved), Sun/Earth stray light, End of phase B2 (PDR) first quarter of 2012 Slide: 15

16 MTG: Sentinel-4 Ultraviolet Visible and Near-Infrared sounder (UVN) GMES Sentinel-4 instrument on MTG-S satellites: different rules, documentation and contractual status than MTG. Separate ESA teams S4 UVN & MTG. UVN main characteristics: Coverage area Europe Instantaneous field of view north-south swath. Scanning from east to west in 1 hour. Only measures earth radiance when earth is illuminated. During night time: various calibrations (White Light Source, LEDs, dark measurements). Solar irradiance measurements: 2 on-board diffusers (one daily, one monthly). 2 frame-transfer CCDs. Scan mirror with east-west and north-south axes. Data rate 30 Mbps, mass about 150 kg, power about 180 W. Heritage Europe: GOME, SCIAMACHY, OMI, GOME-2, TROPOMI (Sentinel-5 precursor), Sentinel-5: all LEO. Spectral range nm (UVVIS) & nm (NIR). Spectral resolution UVVIS 0.5 nm & NIR 0.12 nm, spectral oversampling >3 px. Polarisation sensitivity <1% at level-0 (no polarisation correction in 0-1b processing). Slide: 16

17 Third-Party Services In addition to its own satellite data and meteorological products, EUMETSAT also distributes data and products from partner organisations as part of an international cooperation. Image data from the following geostationary satellites is made available via EUMETCast, Direct Dissemination and the Internet: NOAA s GOES-13 ( GOES-East ), at 75 W; NOAA s GOES-15 ( GOES-West ), at 135 W; JMA s MTSAT-2, at 145 E; CMA s FY-2E, at 105 E (also selected meteorological products). Meteorological products based on LEO satellite data are also disseminated: Microwave Sounder products from CMA s FY-3A (currently only provided to National Met. Services); Level 1 and 2 products derived from data from the MODIS instrument on board NASA s Terra and Aqua satellites. Slide: 17 Slide: 17

18 3 rd Party Data Services Operational Agencies Roshydromet KMA CMA Slide: 18 Slide: 18

19 3 rd Party Data Services R&D Agencies (1) ESA NASA Slide: 19 Slide: 19 Slide: 19

20 3 rd Party Data Services R&D Agencies (2) NSOA(China) CNES CNSA/ CNES Slide: 20 Slide: 20 Slide: 20

21 3 rd Party Data Services R&D Agencies (3) ASI ISRO JAXA Slide: 21 Slide: 21

22 Oceansat-2 Service Update Based on the user requirements and the constraints, a dataflow scheme was developed in co-operation with ISRO and NOAA. Slide: 22 The Data Routing and Alternative Processing System for Oceansat- 2 (DRAPSO) represents the EUMETSAT contribution to this Oceansat-2 NRT system PSTG June, Geneva, Switzerland

23 L2 products from OSI-SAF OSI-SAF developed an independent OSCAT wind processor in order to: Perform OSCAT L1 quality monitoring Generate winds which show a lower RMSE compared to buoys Provide an overall service for users of scatterometer winds in consistent data formats (ASCAT, QuikSCAT, OSCAT), according to EUMETSAT standards The planned activities of the OSI-SAF are defined in the OSI-SAF CDOP Service Specification Document (to be presented to next SAF-SG). Requirements of the OSI-SAF OSCAT wind product in BUFR are taken from the original requirements for SeaWinds product (50km resolution, 2m/s wind speed RMSE...). OSI-SAF is providing the OSCAT wind products already to several European institutions and received useful feedback (a.o. from ECMWF, UK Met Office, Meteo France and DWD). Users expressed interest also in a 25km-resolution product. Discussion in OSI-SAF SG and with users is ongoing. Slide: 24

24 Global NPP Data Tailoring and Redistribution Global NPP service defined in NPP service specification (EUM/C/72/11/DOC/60) Spring 2011 Internal EUMETSAT project established in August 2011 The project encompasses: the acquisition of global data from the CrIS, ATMS and VIIRS instruments from NDE the tailoring of these data according to the requirements of the users community the dissemination of the tailored products to the user community Slide: 25

25 EUMETSAT Provided Global and Regional NPP Services - Product Content via EUMETCast All Calibrated and Geolocated All 22 Channels All FoV All 1305 Channels All FoV Cloud Information from VIIRS All 22 Channels All FoV 399 Channels All FoV Cloud Information All 16 M-Band Channels Slide: 26

26 Full global service (with VIIRS cloud EDRs) Add VIIRS cloud data: As pass thru, plus decode netcdf cloud EDRs re-grid and merge with colocated CrIS CrIS GTS with VIIRS cloud data: As pass thru, plus decode CrIS BUFR SDRs set additional channels to missing decode netcdf cloud EDRs re-grid and merge with co-located CrIS Slide: 27 re-encode CrIS BUFR SDRs