(394130) 2006 HY51

2006 HY51

Discovery[1]
Discovered by	LINEAR
Discovery date	26 April 2006
Designations
Minor planet category	Mercury crosser, Venus crosser, Apollo asteroid, Earth crosser, Mars crosser, Jupiter crosser
Orbital characteristics[2]
Epoch 13 January 2016 (JD 2457400.5)
Uncertainty parameter 0
Observation arc	3286 days (9.00 yr)
Aphelion	5.1166550 AU (765.44069 Gm)
Perihelion	0.08075983 AU (12.081499 Gm)
Semi-major axis	2.59870742 AU (388.761097 Gm)
Eccentricity	0.9689231
Orbital period	4.19 yr (1530.2 d)
Mean anomaly	98.137561°
Mean motion	0° 14^m 6.975^s / day
Inclination	30.578044°
Longitude of ascending node	42.334715°
Argument of perihelion	340.56127°
Earth MOID	0.0899831 AU (13.46128 Gm)
Jupiter MOID	0.809069 AU (121.0350 Gm)
Jupiter Tisserand parameter	2.303
Physical characteristics
Dimensions	1.218 km [3]
Absolute magnitude (H)	17.2

(394130) 2006 HY₅₁ is the asteroid with the third-smallest known perihelion of any known object orbiting the Sun. Its extreme orbital eccentricity brings it within 0.081 AU of the Sun (26% of Mercury's perihelion) and as far as 5.118 AU from the Sun (making it a Jupiter-grazer).

References

1. "MPEC 2006-H57 : 2006 HY51". IAU Minor Planet Center. 2008-04-28. Retrieved 2014-03-05. (K06H51Y)
2. "JPL Small-Body Database Browser: (2006 HY51)". Jet Propulsion Laboratory. Retrieved 8 April 2016. 2011-01-29 last obs (arc=1739 days)
3. "NEODyS 2006 HY51". Near Earth Objects - Dynamic Site. Retrieved 2014-03-07.

External links

• (394130) 2006 HY51 at the JPL Small-Body Database

• Discovery · Orbit diagram · Orbital elements · Physical parameters