SMALL MISSION SOLUTIONS FOR EARTH OBSERVATION AND SCIENCE

© Copyright QinetiQ Limited 2010

QinetiQ Space nv

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Jo Bermyn

Director Marketing & Performance

Tel: +32 3 250 14 14

Tel: +32 3 250 43 37 (direct)

Fax:+32 3 253 14 64

[email protected]

QinetiQ Space nv

Hogenakkerhoekstraat 9

B-9150 Kruibeke

Belgium

www.qinetiq.be

Proba Spacecraft Family

SMALL MISSION SOLUTIONS FOR

EARTH OBSERVATION AND SCIENCE

September 21 – 24, 2010

UN symposium on Small Satellite Programmes for Sustainable Development

Graz - Austria

QinetiQ Space nv © Copyright QinetiQ Limited 2010

Ground

Operations

Satellites &

Platforms Subsystems

Scientific

Payloads Services

QinetiQ Space nv (former Verhaert Space)

The leading provider of Small Space Systems

Small satellite bus

End-to-end

mission solutions

ESA

Export

Microgravity

research

Planetary

exploration

Earth observation

On-board

computers

Docking &

Berthing Systems

Space

Mechanisms

IOT Services

LEO & GEO ops

Teleport

Integrated Appl.

Institutional

Commercial

Technical

consultancy

Systems engineering

Project management

Aerospace

High-tech

Company introduction

2


QinetiQ Space nv Headquarters

Located in Kruibeke - Belgium

Offices: 3.742 m², Warehouses: 1.200 m²

2 Class 100.000 cleanrooms

QinetiQ Space nv Ground Station Operations

Located in Redu - Belgium

ESA satellite ground station

Jointly operated with SES Astra

• Former Verhaert Space (name change April 2010 to QinetiQ Space nv)

• Founded in 1969 as product developer

• Space activities started in 1983

• Delivered 100+ systems and sub-systems for manned space stations, satellites

and interplanetary missions

• Belgians leading space company and innovative product developer

• Acquired by the QinetiQ group (UK) in 2005

• 110 highly educated specialists employed in Belgium

• Turnover over 22 MEURO (FY10)

Key Data

Company introduction

3


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PROBA Small Satellites

General introduction and heritage


Satellites and platforms

Mission Definition : mission analysis, AOCS engineering, requirements analysis

Design, analysis, integration, testing and operation of turnkey satellite systems including payloads and ground

segment.

Handling of launcher interface, launch campaign and insurance aspects

In-orbit commissioning and operations

Satellite engineering training and mission studies

Proba 2 Proba 3 Proba V Proba IP Altius

QinetiQ Space nv is the principal provider of Lightsat satellites for ESA – PROBA missions

Launch 2009

Launch 2012

PROBA Satellites introduction

5

Proba 1

Launch 2001

Commercial


PROBA Heritage

• PROBA 1

• Earth Observation mission for ESA

• Pan 4m GSD, multispectral 17 m GSD

• 9 years working in orbit – daily used by ESA

• PROBA 2

• Sun Observation mission for ESA

• Working in orbit since November 2009

• PROBA V

• SPOT like earth observation mission for ESA

• Ph CD/E1 started – launch 2012

• PROBA 3

• Formation flying mission for ESA

• Coronograph instrument

• Ph B started

• PROBA Altius / Proba IP

• Several ph A study concepts worked out based on Proba concept


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General capabilities


• Mass : 100 kg class satellite (up to 40 % P/L)

• Volume : 80cm x 60cm x 60cm (Proba 1)

• Power : 50 W average platform,

120 W peak

• High pointing accuracy (0.015° 2sigma)

• Position knowledge: 20 arc sec (20m)

• Powerful computer (up to 100 MIPS)

• Proven in-orbit lifetime of 9 years

PROBA key figures & features

Proba platform • Accommodation all kind of payloads; high

resolution, hyperspectral, miniSAR, telecom,

atmospheric research, space weather, ...

• Mass : up to few 100’s of kg

• Power : deployable solar panels

• Propulsion capabilities

• Increased on-board storage and downlink

capability (X-band)

• Extended mass memory capacity

• Shared / dedicated launch

Customized Proba platform

Modular and flexibility in design ESA Quality label Short Time-to-Orbit

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Avionics Objective: more resources available for the Payloads

PROBA- 1

Mass

~25% for the payloads

~75 % for the satellite bus

Power



PROBA- 2

Mass


~ 65% for the satellite bus

Power



Target:

20% reduction

for the bus

elements

PROBA AVIONICS: Advanced Data and Power Management System

PROBA Avionics

ADPMS: most powerful computer for space in Europe, developed by QinetiQ Space

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PROBA Attitude Control

Performant and versatile attitude control system 3 axis stabilised platform

20 arcsec (~60m@600km) absolute measurement accuracy

150 arcsec absolute pointing accuracy

5 arcsec stability over 10 sec (1 Chris image)

• Agile platform: Agility along and across track

+/- 30° off-track pointing (useful images)

Slew rates up to 1°/sec + stabilisation (1 min)

•Motion compensation possibility during scanning • e.g. Chris instrument factor 3,5 (7 to 2 km/s)

• Position knowledge up to 20 m accuracy

• Several pointing and imaging modes

• Navigation function (autonomous orbit estimation,

target fly-by and orbital events predictions)

• Guidance function (generation imaging scan

profiles: angle/rate/acceleration)

• Automatic code generation from MatrixX

simulation environment to C

AOCS Software

- Navigation

- Guidance

- Control

Reaction

Wheels (4)

Magnetomet

ers (2)

Magneto-

torquers (4)

GPS

Receiver

Star Tracker (2)

Head

Head

AOCS Software

- Navigation

- Guidance

- Control

Reaction

Wheels (4)

Magnetomet

ers (2)

Magneto-

torquers (4)

GPS

Receiver

Star Tracker (2)

Head

Head

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Pointing Modes & Agility

Inertial Pointing

Possible Utilisation:

- Astronomy

- Solar physics

Earth Pointing

Possible Utilisation:

- Earth Observation

(pushbroom)

- Telecommunications

- Space Environment

Fixed Earth Target

Pointing Possible Utilisation:

- Earth Observation

(snapshot high

resolution imaging)

- Elevation Modeling

- Disaster Monitoring

Complex

Manoeuvring Possible Utilisation:

- Earth Observation

(TDI, BRDF)

- Multiple target

imaging

- Image Paving

PROBA Pointing & Agility

High pointing accuracy

Agile platform – 3 axis stabilised

High pointing stability – snapshot imaging

Complex manouvring – push broom imaging Multiple backward – forward scanning

Sovereign class ACS performance

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ICC, 29 March 2007

PROBA

Rotate

Scannen

768 lijnen

Scan

768 lines

19 km

19 km 25 m

25 m

Take Image

2

Take Image

1

15km

Beginimaging

Endimaging

Line-of-sight

of imager

Image2Image4Image5 Image1Image3

Scanning speed =

1/5 of spacecraft ground speed15km

Beginimaging

Endimaging

Line-of-sight

of imager

Image2Image4Image5 Image1Image3

Scanning speed =

1/5 of spacecraft ground speed

Complex maneuvring


On-board attitude, navigation

& FDIR calculations

Simple commanding Low operational cost

Scientist/Student Groundstation OperatorOperator

Stand-by/on call

Scientist/StudentScientist/Student GroundstationGroundstation OperatorOperator

Stand-by/on call

OperatorOperator

Stand-by/on call

PROBA

•Planning

•Resources management

•ACNS calculations

•Execution+Manoeuvres

•FDIR

PROBA

•Planning

•Resources management

•ACNS calculations

•Execution+Manoeuvres

•FDIR

PROBA

Upload request

Internet

Request

1 image = 1 command

PROBA

Upload request

Internet

Request

PROBAPROBA

Upload requestUpload request

Internet

Request

Internet

Request

1 image = 1 command

On-board autonomy

PROBA Autonomous operation

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• low operational cost

• High pointing accuracy and stability of satellite

resulting in high quality imagery

• complex manoeuvring & multiple target imaging

• Simple commanding

• State of the art technology

• ESA quality label

• standard redundant systems

• Off-the-shelf and bespoke solutions

• Use of international standards

• Turn-key solutions incl. launch and operations

• Operations facilities available at Redu


PROBA key advantages

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• Part of most of our space projects

• QinetiQ manages entire training of

UK Army

• QinetiQ manages training forSpace

Adventures

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Training : our experience


Missions Overview


Launched 22nd Oct 2001

9 years in Orbit!

Proba 1 Earth Observation mission – vegetation study

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All images Proba 1 credit to ESA / Proba consortium


Pyramids Gizeh, Egypt HRC instrument (OIP)

• Miniutarized telescope

• Monochromatic camera

• 5m @ 600 km geometrical

resolution

• 0.5 deg field of view (4 km

at nadir)

Three Gorges Dam, China

High

Resolution

Camera

• Push broom imager

• 17 m @ 600 km resolution

at nadir

• Up to 62 spectral bands

simultaneously (415 - 1050

nm)

• Spectral resolution of 5-12

nm

• Swath width 14 km at nadir

• Bi-directional Reflectance

Distribution Function

measurements

19 km

Begin

imaging

Endimaging

Line of sight

of imager

Image 2Image 4Image 5 Image 1Image 3

1

23

45678

9

10

Compact

High

Resolution

Imaging

Spectrometer

Palm Island, Dubai Three Gorges Dam, China CHRIS Instrument (SIRA UK)

Proba 1 Instruments

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• Preparation for the SPECTRA Mission

• Land use and agriculture, coastal and inland waters and forestry

• Volcano Observations, water constituents, leaf index maps, …

Science

User

community

and

applications

Joint CHRISBIRD activities

DRAGON Programme

GLOBWETLAND

Disaster

Management

Charter

PROBA 1 is operated by ESA EO on a daily basis. Currently used in support of Science (102), Education (14) & Public Relations (35) objectives

ESA PR

(69 sites)

(15 sites)

(4 sites)

(14 sites)

(35 sites)

• An ESA commitment to make imaging assets available to support disaster management worldwide

• Joint activities with the BIRD to investigate global wildfire activity

• Joint collaborative activities involving European and Chinese scientists.

• Precision farming and vegetation studies

• Acquisition of image maps of wetlands of international importance

• Compilation of interesting images for public relations

• Agile platform (3-axis

stabilized)

• High pointing accuracy

• High pointing Stability

(point & stare –

snapshot imaging)

• Complex manoeuvring

(motion compensation

• push broom imaging -

multiple backward /

forward scanning)

Fine Pointing &

Stability

Value for money:

Low operational cost &

outstanding

performance with low

cost instruments

Autonomous Operation

• Onboard Autonomy

(orbit & attitude

determination, FDIR)

• Ground Segment

Automation (low

operational cost)

• Simple commanding : 1

image = 1 command

(coordinates)

• Performant on-board

computer (ADPMS)

Proba 1 User Community

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Environment studies Disaster monitoring Vegetation studies

Precision farming Urbanisation planning Volcano observation

Proba 1 Applications Summary

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Vegetation studies:

•Estimation of cotton crop health, maturity and yield (University of New South Wales – Australia)

•Assessing the effects of different land use strategies on vegetation types in Central Nambia’s savannahs

•Study the state of woodland in the Rhineland Palatine in Germany

Coastal & water studies:

•Mapping of Chlorophyll and Suspended Particle Matter Maps of the Ostend Core Site (RBINS – Belgium)

•Mapping Water Constituents in Lake Constance

Disaster monitoring:

•Survey of longer term damage done by forest fires by identification of vegetation regrowth

•Proba images are used in support of the International Charter on Space and Major disasters (forest fires

Var region France 2003, Arles river flood France 2003, Tsunami disaster Asia, Earthquakes Iran 2005

Environmental

•Evaluating aerosol retrieval in Hong Kong

•Helping map and measure alpine snow cover in the Swiss National Park

•Water run-off and soil erosion from crops (GRGM – France)

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Proba 1 Applications Summary - Examples

Proba/Chris workshop papers available on http://earth.esa.int/workshops


07.12.2003 Arles (France)

Floodings

Since end 2003: “Invited

Guest” for International

Charter

Proba 1 Disaster Monitoring Platform

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Etna eruption,

Sicily, 20.10.2002

Proba 1 Disaster Monitoring Platform

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24.04.2004 Ayers Rock, Australia 20.03.2004 Pyramids Gizeh, Egypt

4 m GSD panchromatic snapshot image

Proba 1 PR

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http://upload.wikimedia.org/wikipedia/commons/a/af/All_Gizah_Pyramids.jpg


Palm Islands

Dubai,

05.11.2007

Proba 1 PR

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Ostend, Belgium (ESA) Antwerp, Belgium (ESA)

4 m GSD panchromatic snapshot image 17 m GSD hyperspectral pushbroom image

Proba 1 images

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IIII

Proba 2 Science Mission - Space Weather

Launched 02nd Nov 2009

!


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Proba 2

• Technology demonstration / space weather mission

– 15+ Technology items

– ADPMS – Léon 2 based computer

• Instrument

– Sun Watcher using APS and image Processing (SWAP) for space weather monitoring (EUV telescope)

– Lyman Alpha Radiometer (Lyra), solar UV radiometer

• System characteristics

– Orbit LEO SSO 725 km 6h00

– Satellite system mass 122 kg – 60x70x85 cm



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LYRA (CSL, ROB, PMODWRC):

- Solar UV radiometer

- 4 UV bands, relevant to solar physics

- 3 detectors with closeable covers

- mass:3.5 kg

- power: 6W combined with SWAP

- Volume: 315 mm x 222 mm x 76 mm

- cadence: up to 100 Hz

- Data processing done on board

SWAP (CSL, ROB):

-Extreme UV imaging of the solar corona

-Built on the heritage of EIT on SOHO

- CMOS APS detector

- mass: 10 kg

- power: 6W combined with LYRA

- Volume: 570 mm x 150 mm x 110 mm

- nominal cadence: 1 image per minute

- image processing done on-board

Sun observation instruments


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Proba 2 Science Mission - First results

70,000 images taken until end of May 2010

Much more data is available on the Proba 2 Science Center website: http://proba2.sidc.be

Images:Royal Observatory Belgium


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Proba Vegetation

• Gap filler mission for Spot-Vegetation and Sentinel 3

– Spectral and radiometric performance identical to Vegetation

– Ground sampling distance 100 - 300 m

– Daily global coverage for latitudes above 35°

– Complete global land coverage in two days

• Instrument

– 3 identical TMA telescopes -> 102,6° FOV together (~2250 km swath)

– Blue, Red, NIR (100 m unbinned) and SWIR (200 m unbinned)

– On-board binning of pixels > 300 m resolution NIR, 600 m SWIR

– 37 Mbit/sec data flow

• System characteristics

– Orbit 820 km near-SSO 10h30

– Satellite system mass 160 kg

– Peak power consumtion 131 W

– X-band downlink and 12 Gbit on-board storage

Proba V Vegetation study


Proba platforms have demonstrated to deliver outstanding capabilities for earth observation and science missions.

Furthermore Proba class missions have following key advantages:

• Affordable

• Low operational cost

• Innovative

• Demonstrated top performance for earth observation missions

• Short development times

• ESA quality label & standard redundant systems

• Use of international standards

• Turn-key solutions

• Operations facilities available at REDU

Conclusion

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SMALL MISSION SOLUTIONS FOR EARTH OBSERVATION AND SCIENCE

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