ldcm spacecraft status

National Aeronautics and Space Administration

www.nasa.gov

NASA GSFC / USGS EROSwww.usgs.gov

LDCM Spacecraft StatusLDCM Spacecraft Status

Bill Anselm, LDCM Observatory

June 23, 2009

ManagerStylist

LANDSAT Data Continuity Mission PDR

NASA GSFC / USGS EROS

INTRODUCTIONINTRODUCTION

Spacecraft ContextImplementation StatusScheduleSpacecraft from a kitLaunch supportSummary

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LDCM CONTEXTLDCM CONTEXT

Landsat Ground StationSioux Falls, SD

Representative ICCanada

Alaska Ground StationGilmore, AK

TDRSS

Atlas VVAFB

LDCM Orbit705 km circular

sun sync, 10am DNLT16-day repeat

NASA GNWallops Island, VA

LDCM Observatory(OLI, TIRS)

S-band SSA1 kbps Forward

2 or 32 kbps Return

S-band CMD uplink 1 or 32 kbpsS-band RT downlink 32 kbpsS-band combined Stored &

RT TLM downlink 1 Mbps

X-band Stored ScienceRT+PB or 2 PB @ 384 Mbps

Link Color CodeGreen = S-band to / from LGN or NGNYellow = Real-time X-band to LGN or ICsOrange = Playback X-band to LGNPink = S-band to / from TDRSS

Potential IC Sites:ASN Alice Springs, AustraliaBJC Beijing, PRCBKT Bangkok, ThailandCOA Cordoba, ArgentinaCUB Cuiaba, BrazilDKI Parepare, IndonesiaGNC Gatineau, CanadaHAJ Hatoyama, JapanHIJ Hiroshima, JapanHOA Hobart, AustraliaJSA Johannesburg, South AfricaKIS Kiruna, SwedenMPS Maspolomas, SpainMTI Matera, ItalyPAC Prince Albert, CanadaPF1 Poker Flat, AlaskaSEK Seoul, KoreaSGS Svalbard, NorwayTFT Taipei Fixed TaiwanUPR University of Puerto Rico

X-bandRT Broadcast

384 Mbps

Data rates shown are information rates, not modulation rates

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IMPLEMENTATION STATUSIMPLEMENTATION STATUS

Spacecraft design is soundEffective management in placeHighly talented and motivated teamWell on the road for October CDR

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IMPLEMENTATIONIMPLEMENTATION

Rapid Spacecraft Development Office– Unique “catalog-based” IDIQ contract

8 Vendors; 18 SpacecraftSelection is “rapid”; award-to-launch ~ non-RSDOFixed-price performance-based Delivery Order milestones

D. O. Management– Admin: CDRLs, studies, milestones– Technical: analyses, margins, requirements compliance

Deliverables:– Spacecraft/Observatory– Simulators (Interface, Observatory, Software Development)– Launch Support– Mission Operations Support

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NASA GSFC / USGS EROS 6

SPACECRAFT ROOTSSPACECRAFT ROOTS

GENERAL DYNAMICSADVANCED INFORMATION SYSTEMS



SPACECRAFT SCHEDULESPACECRAFT SCHEDULE

7

ID Tas k Name

1

2 ACS3 C&DH4 COMM5 EGSE6 EPS7 FLIGHT

BATTERY8 FSW9 HARNESS10 PROPULSION11 SOLAR ARRAY12 SMS13

14 SPACECRAFTI&T15 I&T MARGIN

16 OBSERVATORYI&T17 I&T MARGIN

18 LAUNCHMARGIN19 LAUNCHOPERATIONS20 LAUNCH

21 OPERATIONSSUPPORT

ACS

C&DH

COMM

EGSE

EPS5/2

FLIGHT BATTERY

FSW

HARNESS

PROPULSION

SOLAR ARRAY

SMS

SPACECRAFT I&T

I&T MARGIN

OBSERVATORY I&T

I&T MARGIN

LAUNCH MARGIN

LAUNCH OPERATIONS12/28

LAUNCH

OPERATIONS SUPPORT

Mar Apr May Jun Jul Aug Sep Oct Nov Dec Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Jan Feb Mar Apr May Jun2008 2009 2010 2011 2012 2013



Primary Structure Test Configuration

Instrument Deck

Propulsion Module

PrimaryStructure

SPACECRAFT KITTING



IEM

SSR

Instrument Deck

Propulsion Module

PrimaryStructure

SPACECRAFT KITTING



OCXO2X

IEMBattery

SSR

LCU

CCU

Instrument Deck

Propulsion Module

ConverterBox 2X

PrimaryStructure

SPACECRAFT KITTING



OCXO2X

IEMBattery

SSR

TAM2X

LCU

CCU

CSS12X

ETR3X

Instrument Deck

Propulsion Module

ConverterBox 2X

PrimaryStructure

SPACECRAFT KITTING



OCXO2X

IEMBattery

SSR

TAM2X

LCU

CCU

CSS12X

PrimaryStructure

ETR3X

Instrument Deck

Propulsion Module

ConverterBox 2X

Completed HPM

SPACECRAFT KITTING



TWTA2X

X-bandXMTR2X

S-band Transceiver2X

OCXO2X

DecryptorIEM

Battery

SSR

TAM2X

Star Tracker2X

LCU

CCU

S-band Antenna4X

CSS12X

ECA 2X

IMU

ETR3X

RWA6X

Instrument Deck

Propulsion Module

ConverterBox 2X

PrimaryStructure

SPACECRAFT KITTING



TWTA2X

X-bandXMTR2X


OCXO2X

DecryptorIEM

Battery

SSR

GPS Antenna4x

TAM2X

Star Tracker2X

LCU

CCU

S-band Antenna4X

CSS12X

ECA 2X

GPS Receiver2X

IMU

PIE

HIB2X

ETR3X

RWA6X

ECU

Instrument Deck

Propulsion Module

ConverterBox 2X

PrimaryStructure

SPACECRAFT KITTING



TWTA2X


OCXO2X

DecryptorIEM

Battery

SSR

GPS Antenna4x

TAM2X

TIRS Electronics2X

TIRSOLI

Star Tracker2X

LCU

CCU

S-band Antenna4X

CSS12X

ECA 2X

X-bandXMTR2X

GPS Receiver2X

IMU

PIE

HIB2X

ETR3X

RWA6X

ECU

SADA

Instrument Deck

Propulsion Module

ConverterBox 2X

PrimaryStructure

SPACECRAFT KITTING



TWTA2X

X-bandXMTR2X


OCXO2X

DecryptorIEM

Battery

SSR

GPS Antenna4x

TAM2X

TIRS Electronics2X

TIRSOLI

Star Tracker2X

LCU

CCU

S-band Antenna4X

SolarArray

CSS12X

ECA 2X

IMU

PIE

HIB2X

ETR3X

RWA6X

ECU

GPS Receiver2X

SADA

Instrument Deck

Propulsion Module

ConverterBox 2X

PrimaryStructure

SPACECRAFT KITTING



LAUNCH SUPPORTLAUNCH SUPPORT

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LDCMLDCM

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SUMMARYSUMMARY

Design is sound– Good margins, buildable, testable, lots of heritage

– Interfaces well covered

– Simulators buy-down risk

Management and execution sound– Documents, risks, schedule

Planning sound– Progress monitored, good reserves

Great team in placeOn to CDR!

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