(10302) 1989 ML

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(10302) 1989 ML
Discovery[1]
Discovered by E. F. Helin, J. Alu
Discovery date 29 June 1989
Designations
MPO 244277, 1992 WA
Amor Amor
NEO
Orbital characteristics[2]
Epoch 24 October 2005 (JD 2453667.5)
Uncertainty parameter 0
Observation arc 9733 days (26.65 yr)
Aphelion 1.44623 AU (216.353 Gm)
Perihelion 1.09872 AU (164.366 Gm)
1.27247 AU (190.359 Gm)
Eccentricity 0.13655
1.44 yr (524.29 d)
26.28 km/s
125.941°
0° 41m 11.911s / day
Inclination 4.37779°
104.409°
183.283°
Earth MOID 0.0827215 AU (12.37496 Gm)
Jupiter MOID 3.64463 AU (545.229 Gm)
Jupiter Tisserand parameter 5.066
Physical characteristics
Dimensions 0.6 km
19 h (0.79 d)
0.10?
X
19.3

(10302) 1989 ML is an as yet unnamed near-Earth asteroid. It is approximately 0.6 km in diameter. An Amor asteroid, it orbits between Earth and Mars. It is an X-type asteroid, so its surface composition is yet unknown. It was discovered by Eleanor F. Helin and Jeff T. Alu at Palomar Observatory on June 29, 1989.

Targeting by spacecraft[edit]

The delta-v ('effort') required to reach 1989 ML from a low-Earth orbit is only 4.8 km/s, ranking fifth (as of March 2007) amongst the near-Earth asteroids with well-established orbits. 1989 ML is thus particularly 'easy' (and 'cheap') to reach by spacecraft.

1989 ML was considered as a target of the Japanese spacecraft Hayabusa (then Muses-C) but had to be given up due to technical reasons. It was also considered by the European Space Agency as a candidate target for the Don Quijote mission to study the effects of impacting a spacecraft into an asteroid; however, they too changed to other targets.[3]

References[edit]

External links[edit]