Asteroid General Data

2021 HA₂

General information

Preliminary designation	2021 HA₂
Group	Apollo
Absolute magnitude	27.08
Approximate diameter (m)	10
Approximate mass (kg)	1.94·10⁶
Number of observations	37
Arc length (days)	2

Approaches

No approaches found

Orbit initial data

Date of initial data	09/17/2026
M – mean anomaly (degrees)	142.470270
a – orbit major semiaxis (astronomical units)	1.02717584
e – orbit eccentricity	0.36466569
ω – orbit ascending node-perihelion angle (degrees)	255.557489
Ω – longitude of orbit ascending node (degrees)	202.315573
i – orbit inclination to the ecliptic plane (degrees)	2.306997

Orbital evolution

Date	M	a	e	ω	Ω	i	q	P
01/13/1829	220.200356	1.02415210	0.36232009	252.570477	207.026814	2.154657	0.65308122	1.036447
01/21/1858	198.337490	1.02630669	0.36300219	253.173853	206.063360	2.183817	0.65375511	1.039720
01/29/1887	165.538096	1.02710322	0.36334000	253.676410	205.466960	2.198186	0.65391554	1.040931
02/07/1916	93.224603	1.02944198	0.36392471	253.868754	204.972207	2.232724	0.65480261	1.044488
02/14/1945	30.144817	1.02849180	0.36416722	254.068737	204.377587	2.240249	0.65394880	1.043042
02/22/1974	355.589305	1.02591805	0.36325408	254.761844	203.887417	2.282696	0.65324913	1.039129
03/02/2003	303.269063	1.02960009	0.36398727	255.604970	202.943829	2.327684	0.65483877	1.044729
03/09/2032	235.696182	1.02738120	0.36480886	255.678985	202.211344	2.307331	0.65258343	1.041353
03/17/2061	186.802272	1.02766354	0.36514158	256.012942	201.732884	2.312527	0.65242085	1.041782
03/25/2090	139.704255	1.02739461	0.36508773	256.429986	201.238646	2.318719	0.65230544	1.041374
04/03/2119	91.214170	1.02743684	0.36478201	257.040265	200.528568	2.332887	0.65264637	1.041438
04/10/2148	45.250253	1.02658494	0.36425133	257.540083	199.899670	2.129523	0.65265001	1.040143
04/18/2177	4.181386	1.02921907	0.36402842	258.470395	199.205803	2.119497	0.65455408	1.044149

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