Asteroid General Data

2018 HM₂

General information

Preliminary designation	2018 HM₂
Group	Aten
Absolute magnitude	23.66
Approximate diameter (m)	49
Approximate mass (kg)	2.19·10⁸
Number of observations	114
Arc length (days)	18

Approaches

No approaches found

Orbit initial data

Date of initial data	09/17/2026
M – mean anomaly (degrees)	147.516836
a – orbit major semiaxis (astronomical units)	0.83740900
e – orbit eccentricity	0.23340100
ω – orbit ascending node-perihelion angle (degrees)	6.710988
Ω – longitude of orbit ascending node (degrees)	40.690210
i – orbit inclination to the ecliptic plane (degrees)	10.877488

Orbital evolution

Date	M	a	e	ω	Ω	i	q	P
01/13/1829	340.373167	0.84025655	0.23335270	5.736541	43.091013	10.908987	0.64418042	0.770227
01/21/1858	216.802526	0.84072509	0.23378532	5.813860	42.802947	10.901865	0.64417590	0.770871
01/29/1887	100.035255	0.83926539	0.23289852	6.235393	42.444200	10.918657	0.64380172	0.768864
02/07/1916	32.474836	0.83742144	0.23282845	6.530080	42.064460	10.911130	0.64244591	0.766332
02/14/1945	337.274307	0.83797059	0.23364535	6.505744	41.722577	10.880257	0.64218265	0.767086
02/22/1974	290.527936	0.83744363	0.23293130	6.547866	41.369177	10.895412	0.64237680	0.766362
03/02/2003	239.266772	0.83746413	0.23304813	6.732638	40.962087	10.885556	0.64229468	0.766390
03/09/2032	199.982173	0.83767110	0.23328544	6.713242	40.589681	10.875217	0.64225462	0.766674
03/17/2061	165.706764	0.83674515	0.23377926	6.656878	40.228342	10.861798	0.64113149	0.765403
03/25/2090	129.800676	0.83684490	0.23285079	6.843179	39.879802	10.883384	0.64198491	0.765540
04/03/2119	107.013250	0.83565013	0.23431146	6.653049	39.433537	10.838650	0.63984773	0.763901
04/10/2148	106.062632	0.83568359	0.23476640	6.887439	39.068296	10.817498	0.63949316	0.763947
04/18/2177	95.024768	0.83661613	0.23313966	6.753934	38.672892	10.858060	0.64156773	0.765226

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