User:Phatom87/sandbox

2014 HL₁₂₉
Discovery
Discovered by	Mt. Lemmon Survey
Discovery date	2014-04-28
Designations
Designation	2014 HL129
Minor planet category	Apollo NEO
Orbital characteristics
	Epoch 2014-May-23.0; (Uncertainty=6)
Aphelion	1.595+-.0.0004AU (Q)
Perihelion	.9633 AU (q)
Semi-major axis	1.279 AU (a)
Eccentricity	0.2468+-.0002
Orbital period (sidereal)	1.45 yr
Mean anomaly	349.6° (M)
Inclination	5.365+-.005 °
Longitude of ascending node	41.51°
Argument of perihelion	220.4°
Physical characteristics
Absolute magnitude (H)	28.4

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2014 HL₁₂₉ (also written 2014 HL129) is a near-Earth asteroid that passed less than 1 lunar distance from Earth in early May 2014.^[2]

References[edit]

^ ^a ^b ""IAU Minor Planet Center"". IAU Minor Planet Center. Retrieved 2014-05-05.
^ ^a ^b ^c "JPL Small-Body Database Browser: (2014 HL129)". Jet Propulsion Laboratory. 2014-05-02. Retrieved 2014-05-05.

last obs (arc=40 days)

http://www.theregister.co.uk/2014/05/05/trucksized_asteroid_slips_silently_between_moon_and_earth/

[1]

[IAUData-1] ""IAU Minor Planet Center"". IAU Minor Planet Center. Retrieved 2014-05-05.

[jpldata-2] "JPL Small-Body Database Browser: (2014 HL129)". Jet Propulsion Laboratory. 2014-05-02. Retrieved 2014-05-05.

[1]

[2]