Australian Defence Space Situational Awareness Activities Captain Darren May… · Defence’s...
Transcript of Australian Defence Space Situational Awareness Activities Captain Darren May… · Defence’s...
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Australian Defence Space Situational Awareness Activities
GPCAPT Darren May
Director Defence Space Coordinating Office
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Agenda
• Defence Strategic Guidance
• Defence Space Policy
• Current SSA Capabilities
• Planned SSA Capabilities
• Future SSA Architecture 2
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Defence Strategic Guidance
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• “To ensure security of our space-enabled capabilities, the Government will strengthen Defence’s space surveillance and situational awareness capabilities.” DWP16 2.55
• Australia’s existing SSA capability relies on access to US-sourced and processed SSA information. Existing arrangements will be strengthened through the C-band radar and space surveillance telescope projects. Defence will also examine other sensors to expand Australia’s SSA sensor coverage in the future. (IIP16 1.24)
• $A1bn - $A2bn over the next decade
http://www.defence.gov.au/WhitePaper/
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Defence Space Policy - SSA Defence Strategic Policy Statement 2016
• Defence needs to have a thorough awareness of the space environment, including but not limited to: • Orbital fundamentals and use • Electromagnetic spectrum use • Global space and missile launch events • Space debris • Space missions • Satellite characteristics and performance data • Space weather
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Current SSA Capabilities
• Australian Space Operations Centre (AUSSpOC)
• C-band Space Surveillance Radar
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Australian Space Operations Centre
(AUSSpOC) • Functions:
• Satellite overflight analysis and reporting • Launch, de-orbit, re-entry warning • GPS performance reporting to ADF users • Space weather warnings • Support to ops/exercise planning • Sensor tasking coordination
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C-Band Space Surveillance Radar
• Radar is now operational in NW Aust • Jointly operated and managed by RAAF and USAF • Part of US Space Surveillance Network • Tracking radar – needs to be cued • Optimised for LEO
C-Band Radar- HEH – Jul 14 7
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Planned SSA Capabilities
• Space Surveillance Telescope (in acquisition) • Future Indigenous SSA Sensors (Concept phase) • SSA Mission Management System (Concept phase) • Space surveillance radar replacement (Concept
phase)
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Space Surveillance Telescope (SST) • Developed by DARPA, now owned and managed by USAF • Currently located in New Mexico, USA • Joint RAAF/USAF project to relocate and operate from north-
west Australia • Will be part of US Space Surveillance Network (SSN) • Optimised to detect and track objects in GEO • Final Operating Capability planned in 2021
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SST western US vs. Australia GEO coverage
New Mexico Western Australia
Central Australia
0 30 60 90 120 150 -30 -60 -90 -120 -150 Longitude
15
10
5
# s
yste
ms
10
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Future Indigenous Sensors
• Considering a range of technologies, including: • Optical tracking with laser ranging • Passive radar • Over the Horizon HF Radar • Space-based space surveillance
• Will choose option/s that best meet sovereign Australian requirements and fill SSN capability gaps
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Future Sensor Options Electro-Optic Systems Satellite Tracking
• Optical telescope with laser ranging capability • Commercially owned and operated by EOS–Space • Defence assessing operational utility with respect to
contribution to the US Space Surveillance Network • Phase 1 - Mt Stromlo-based system – passed
JSpOC NDDP testing • Phase 2 – improved capability now located at
Exmouth, Western Australia • Due to be fully operational by Q2 CY17 • Will be subject to Military Utility Assessment by USAF once fully operational • Ongoing contract to provide data to Defence
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B1
B2 B3
B4
EOS Exmouth Facility
LEO Telescopes 1m Aperture Thermal imager for day/night ops 800W, 1064nm Laser System
Deep Space Telescopes 0.7m Aperture
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• Defence is researching passive radar for space surveillance using the Murchison Widefield Array (MWA) • Uses third party transmissions as an energy
source, and the MWA as the receiver. • Concept demonstrated in 2012 with
detection of the moon. • Surveys the entire sky. • DSTG used the technique, with novel processing methods in 2015
to detect the ISS. • Different from previous passive radar work because it directly
measures azimuth, azimuth rate, elevation, elevation rate, range, and range rate.
• Initial orbit determination can be achieved using as little as 60 seconds of data.
Future Sensor Options Passive Radar
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SSA Mission Management System • Automation of existing AUSSpOC functions
• Currently involves many manual processes • Management of Australian SSA sensors • Independent analysis of Australian SSA Sensor
data • Currently rely on SSA product from JSpOC
• Independent mission assurance for objects of specific interest to Australia • Anomaly assessment • Threat assessment and warning • COA decision support
• Contribute to catalogue maintenance and conjunction assessment as part of wider coalition effort
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Australian SSA Program
14/15 15/16 16/17 17/18 18/19 19/20 20/21 21/22 22/23 23/24 24/25 25/26 26/27 27/28 28/29
JP3029 Ph 1 – C-Band SSR
IOC/FOC
JP3029 Ph 2.1 – SST Relocation/build/SSN Integration FOC
IOC
JP9352 Ph 1 – SS Radar replacement IOC
JP9351 Ph 1 – ADF SSA Indigenous Sensors IOC
JP9350 Ph 1 – ADF SSA Mission System IOC
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LEO
HEO
MEO
Over the Horizon Radar
(OTHR)
GEO
Space Surveillance
Telescope
LEO – Low Earth Orbit
MEO – Medium earth Orbit
GEO – Geosynchronous Earth Orbit
HEO – Highly Elliptical Orbit
C-Band Space Surveillance Radar
Laser Tracking
Potential Future SSA Architecture - Coverage
Passive Radar
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AUSSpOC
OTHR
SST
C-Band Sensor Management Unit
US Space Surveillance Network
Overflight analysis Conjunction Assessment Launch detection/tracking Reentry Prediction Intelligence analysis Threat Assessment & Warning
Potential Future SSA Architecture Other CSpO Partners
Allied SpOCs Laser Tracking Passive
Radar
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Summary
• Defence recognises the threat posed by the increasingly contested nature of the space domain
• Robust SSA is an essential element in maintaining space mission assurance in this contested environment
• Australian Defence plans to invest up to $2bn over the next decade in space surveillance and SSA capabilities to help maintain assured access to space for Australia and its allies