(52246) Donaldjohanson

(52246) Donaldjohanson
Discovery [1]
Discovered by S. J. Bus
Discovery site Siding Spring Obs.
Discovery date 2 March 1981
Designations
MPC designation 52246 (1981 EQ5)
1981 EQ5 · 1998 YF26
main-belt
Orbital characteristics[1]
Epoch 13 January 2016 (JD 2457400.5)
Uncertainty parameter 0
Observation arc 12153 days (33.27 yr)
Aphelion 2.8274 AU (422.97 Gm)
Perihelion 1.9410 AU (290.37 Gm)
2.3842 AU (356.67 Gm)
Eccentricity 0.18590
3.68 yr (1344.6 d)
210.02°
 16m 3.828s / day
Inclination 4.4191°
262.87°
212.96°
Earth MOID 0.958985 AU (143.4621 Gm)
Jupiter MOID 2.29347 AU (343.098 Gm)
Jupiter Tisserand parameter 3.509
Physical characteristics
15.4

    (52246) Donaldjohanson is a main-belt asteroid that may be visited by the Lucy (spacecraft) if it is selected for launch by NASA.[2] Its main target is several Jupiter trojans but the asteroid would potentially be observed en route.[2]

    See also

    References

    1. 1 2 "JPL Small-Body Database Browser: 52246 (1981 EQ5)" (2014-05-25 last obs.). Jet Propulsion Laboratory. Retrieved 12 April 2016.
    2. 1 2

    External links

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