Characterization and hazard
mitigation of resonant returning
Near Earth Objects
Authors: Arnaud Bourdoux.
Supervisor: Dario Izzo, Advanced Concepts Team (ESTEC).
Contacts:
Dario Izzo
Tel: ++31 (0)71565 – 3511
Fax: ++31 (0)71565 – 8018
e-mail: [email protected]
Final Stage Report
Study length: 3 months
ACT internal report: ACT-RPT-4100-AB-CHMRRNEO05
Available on the ACT net (www.esa.int/act)
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Elliptical J2000 Earth Orbit
Elliptical Earth Orbit at Epoch
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0.14
Circular Earth Orbit
Elliptical J2000 Earth Orbit
Elliptical Earth Orbit at Epoch
0.12
Error Distribution Function
0.1
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0.06
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0
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10
-5
10
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10
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0.7
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0.06
0.69
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0.67
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2010
2020
2030 2040
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2050
2060
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2000
2070
2010
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2030 2040
years
2050
2060
2070
2060
2070
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1.6
1.4
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1
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1.2
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1
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0.8
0.6
0.6
0.4
0.4
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0.2
2000
2010
2020
2030 2040
years
2050
2060
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2000
2070
2010
2020
2030 2040
years
2050
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3.12
3.1
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3.06
3.04
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2000
2010
2020
2030
2040
2050
2060
2070
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Mars
Jupiter
Saturn
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0.012
0.01
0.008
0.006
0.004
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2000
2010
2020
2030
2040
2050
2060
2070
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100
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5
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Earth - 2004 mn4 transfer : Trajectory
x 10
1.5
1
(km)
0.5
Thrust arc
Arrival at 2004 MN4
20/02/2014
0
Coast arc
Earth escape
11/04/2011
-0.5
-1
2004 MN4 orbit
Earth orbit
-1.5
-2
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x 10
4
3.5
2
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3
2.5
2
1.5
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4000
4200
4400
4600
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4800
5000
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x 10
S/C - Asteroid distance (km)
2
1.5
1
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4400
4600
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4800
5000
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x 10
1
2004 MN4 orbit
Venus flyby
19/9/2012
0.5
Earth orbit
Impact
28/1/2015
(km)
0
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6/4/2012
-0.5
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-1
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26/8/2013
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x 10
2004 MN4 orbit
1
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0.5
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02/09/2012
0
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16/07/2014
Earth escape
27/03/2012
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2009 Impactor : Direct transfer
x 10
2004 MN4 orbit
1
Earth orbit
0.5
(km)
Impact
17/10/2012
0
-0.5
Earth Departure
03/08/2009
-1
-1.5
-1.5
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x 10
1.5
1
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18/02/2012
(km)
0.5
0
-0.5
Earth departure
20/07/2009
-1
2004 MN4 orbit
Earth orbit
-1.5
-2
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x 10
1
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0.5
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x 10
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1
(km)
0.5
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-0.5
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-1.5
-1.5
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0.5
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