Asteroid General Data

2001 HL₃₁

General information

Preliminary designation	2001 HL₃₁
Group	Apollo
Absolute magnitude	20.07
Approximate diameter (m)	260
Approximate mass (kg)	3.12·10¹⁰
Number of observations	104
Arc length (days)	8652

Approaches

No approaches found

Orbit initial data

Date of initial data	09/17/2026
M – mean anomaly (degrees)	172.336765
a – orbit major semiaxis (astronomical units)	2.46771300
e – orbit eccentricity	0.78822300
ω – orbit ascending node-perihelion angle (degrees)	294.674999
Ω – longitude of orbit ascending node (degrees)	30.527281
i – orbit inclination to the ecliptic plane (degrees)	13.569418

Orbital evolution

Date	M	a	e	ω	Ω	i	q	P
01/13/1829	178.399430	2.39585691	0.77869718	270.702833	54.220065	12.370968	0.53020988	3.708446
01/21/1858	122.858084	2.38918267	0.78140327	271.843514	53.080912	12.390333	0.52226751	3.692960
01/29/1887	56.108544	2.39890036	0.77863014	277.274745	47.785093	12.441137	0.53104423	3.715514
02/07/1916	355.893673	2.39084663	0.78162892	278.418149	46.626282	12.488189	0.52209177	3.696819
02/14/1945	289.012915	2.39922930	0.77814453	283.600563	41.576976	12.653549	0.53228214	3.716278
02/22/1974	229.790200	2.39230061	0.78128624	284.800062	40.373329	12.731207	0.52322906	3.700192
03/02/2003	162.027321	2.40397787	0.77706213	287.962776	37.260536	12.807607	0.53593770	3.727317
03/09/2032	95.839338	2.39484587	0.78078798	290.983781	34.332400	13.092193	0.52497900	3.706099
03/17/2061	28.210000	2.40458366	0.77527190	292.587439	32.810297	13.183726	0.54037752	3.728726
03/25/2090	319.596123	2.39302804	0.77956647	296.842258	28.642198	13.617239	0.52750363	3.701880
04/03/2119	255.722990	2.40234276	0.77478173	298.016887	27.507230	13.703192	0.54105148	3.723515
04/10/2148	184.709209	2.39292494	0.77817683	302.179273	23.462981	14.240861	0.53080619	3.701640
04/18/2177	121.442928	2.40109450	0.77439047	303.040988	22.645251	14.321196	0.54170981	3.720613

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