NEO lecture 02

The NEO Coordination Centre
of ESA’s Space Situational Awareness near-Earth
object programme
Image credit: ESA
Detlef Koschny,
Gerhard Drolshagen (ESA)
SSA-NEO Segment Managers
1
ESA’s Space Situational Awareness programme
 Provides a service to customers (governments, disaster
management, scientists, the public/press…) about the situation
of natural and artificial objects in space; addresses how this
affects our assets. This will allow us to better protect our
satellites and our planet.
 Funding 2013-2016 (‘Phase 2’): ca. 50 Mio Euro
Space
Situational
Awareness
Space Weather
segment
Near-Earth object
segment
Surveillance and Tracking
segment (man-made
objects)
SSA-NEO-ESA-HO-0159/1.0; 17 Jan 2014, p. 2
The European SSA Programme
• Network of sensors (ground- and space-based)
• Data and Coordination centres
• Common data policy and standardization
The SSA-NEO Segment, D. Koschny - Page 3
SSA-NEO setup - context
SSA-NEO-ESA-HO-0159/1.0; 17 Jan 2014, p. 4
NEO Coordination Centre – ESRIN, Italy
SSA-NEO
Coordination
Centre–
Inauguration
22 May 2013
NEO Coordination Centre – ESRIN, Italy
 Two full-time contractors, more coming, IT support,
contractor team for s/w
 Tasks: Maintain web services; coordination in Europe;
outreach; later: risk communication
SSA-NEO-ESA-HO-0159/1.0; 17 Jan 2014, p. 6
Orbit prediction
http://neo.ssa.esa.int
 NEO CC maintains ‘risk
list’
• NEODyS is one of the
‘federated’ assets of the
NEO CC
• Computes precise orbits
including co-variances
• Makes impact prediction
• Details see A. Milani’s
talk
• In the process of
establishing long-term
support, integrate more
into NEO CC
• Impact corridor
computations will be
added
The ‘risk list’ showing all NEOs
having an impact probability >0
within the next 100 years
SSA-NEO-ESA-HO-0159/1.0; 17 Jan 2014, p. 7
Observation planning
 The so-called ‘priority list’: Gives objects which are in
need of follow-up observations
SSA-NEO-ESA-HO-0159/1.0; 17 Jan 2014, p. 8
Observations
http://neo.ssa.esa.int/web/guest/imagedatabase
http://vmo.estec.esa.int/totas/
http://www.lasagraskysurvey.es
SSA-NEO-ESA-HO-0159/1.0; 17 Jan 2014, p. 9
NEO impact effects and mitigation
 A review of available knowledge, tools and technologies
in the areas of NEO impact effects and mitigation
measures was performed – workshop in May 2013 with
international support
 Roadmaps were produced for:
• Development of NEO Impact Assessment Tools
• Advance in NEO Mitigation Measures
Sketch by
Laubscher &
Reimold
SSA-NEO-ESA-HO-0152/1.0 – SSA-NEO activities - Page 10
SSA-NEO-ESA-HO-0159/1.0; 17 Jan 2014, p. 10
Asteroid mission studies
SSA-NEO-ESA-HO-0159/1.0; 17 Jan 2014, p. 11
Interface to emergency response agencies
12
SSA-NEO-ESA-HO-0159/1.0; 17 Jan 2014, p. 12
07 Sep: - 13 days before impact
 Velocity: 18.7 km/s
 Size: 20 m +/- 10 m
 Density: 1 g/cm3 .. 8 g/cm3
 Impact probability: 1
 Time of impact: 20 Sep 2015, 20:10
+/- 1 min
 Kinetic energy:
• min: 21.9 Kt
• max: 4.87 Mt
Just one slide from a presentation to emergency response teams
SSA-NEO-ESA-HO-0159/1.0; 17 Jan 2014, p. 13
Interface to emergency response agencies
 SSA and emergency response
• A first workshop took place at ESOC/Darmstadt, Germany in Sep
2013 to start interaction
• Seven European countries sent representatives of their emergency
response agencies
• We presented them with a simulated impact scenario – positive
response
• Switzerland has started a simulation of an NEO explosion over their
country
• ESA has been asked to perform a simulation in 2014
• An ‘information plan’ is finalized, to be agreed in 2014
 The big questions
• Which information should be distributed when and to whom?
• What is the expected response?
SSA-NEO-ESA-HO-0159/1.0; 17 Jan 2014, p. 14
Supporting UN activities
IAWN = International
Asteroid Warning Network
OOSA = Office for Outer
Space Affairs
SMPAG = Space
Missions Planning
Advisory Group
COPUOS = Committee for
Peaceful Uses of Outer Space
(of the United Nations)
SSA-NEO-ESA-HO-0159/1.0; 17 Jan 2014, p. 15
Summary: NEO CC and SSA-NEO activities
 Observations
 Orbit computations and impact risk
predictions
 Priority list
 Studies related to impact effects
 Studies related to mitigation measures
 Building up interface to emergency response
agencies
 Supporting the activities related to building
up an impact threat response strategy within
the UN
SSA-NEO-ESA-HO-0159/1.0; 17 Jan 2014, p. 16

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