Asteroid General Data

2009 HA₂₁

General information

Preliminary designation	2009 HA₂₁
Group	Apollo
Absolute magnitude	20.83
Approximate diameter (m)	180
Approximate mass (kg)	1.09·10¹⁰
Number of observations	101
Arc length (days)	5109

Approaches

No approaches found

Orbit initial data

Date of initial data	09/17/2026
M – mean anomaly (degrees)	10.465496
a – orbit major semiaxis (astronomical units)	1.46065700
e – orbit eccentricity	0.72901800
ω – orbit ascending node-perihelion angle (degrees)	219.936357
Ω – longitude of orbit ascending node (degrees)	205.378438
i – orbit inclination to the ecliptic plane (degrees)	6.405128

Orbital evolution

Date	M	a	e	ω	Ω	i	q	P
01/13/1829	27.033004	1.46037723	0.72931507	217.060375	207.834916	6.514064	0.39530211	1.764811
01/21/1858	185.016639	1.46091255	0.72909238	217.520958	207.441110	6.499171	0.39577234	1.765781
01/29/1887	342.042987	1.46099504	0.72903711	217.877568	207.131712	6.482677	0.39587544	1.765931
02/07/1916	138.015201	1.46086796	0.72897973	218.345446	206.734920	6.463428	0.39592483	1.765701
02/14/1945	295.179030	1.46075379	0.72895978	218.743875	206.389041	6.452383	0.39592304	1.765494
02/22/1974	92.387995	1.46082032	0.72890895	219.226080	205.987655	6.433994	0.39601531	1.765614
03/02/2003	249.121966	1.46095368	0.72895372	219.601237	205.670717	6.419068	0.39598606	1.765856
03/09/2032	46.967245	1.46052742	0.72909874	220.046219	205.299529	6.398122	0.39565872	1.765083
03/17/2061	205.592354	1.46045970	0.72908883	220.452290	204.930547	6.387093	0.39565485	1.764960
03/25/2090	5.339019	1.46003386	0.72940765	220.882148	204.538004	6.378730	0.39507400	1.764189
04/03/2119	166.509744	1.45989768	0.72914117	221.329042	204.130127	6.366814	0.39542618	1.763942
04/10/2148	329.325017	1.45965110	0.72913737	221.714310	203.779177	6.352917	0.39536494	1.763495
04/18/2177	133.100873	1.45980633	0.72896266	222.217837	203.352997	6.330477	0.39566203	1.763776

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