Asteroid General Data

2021 HO

General information

Preliminary designation	2021 HO
Group	Apollo
Absolute magnitude	21.13
Approximate diameter (m)	160
Approximate mass (kg)	7.21·10⁹
Number of observations	30
Arc length (days)	3

Approaches

No approaches found

Orbit initial data

Date of initial data	09/17/2026
M – mean anomaly (degrees)	128.624715
a – orbit major semiaxis (astronomical units)	2.47283600
e – orbit eccentricity	0.88923100
ω – orbit ascending node-perihelion angle (degrees)	347.106619
Ω – longitude of orbit ascending node (degrees)	348.868951
i – orbit inclination to the ecliptic plane (degrees)	12.745826

Orbital evolution

Date	M	a	e	ω	Ω	i	q	P
01/13/1829	228.246889	2.42683016	0.89776443	334.603773	359.740175	8.578412	0.24810838	3.780591
01/21/1858	111.457361	2.42775193	0.89747992	334.916303	359.529285	8.628780	0.24889332	3.782745
01/29/1887	326.750920	2.46240338	0.88731545	337.837201	356.958372	9.212037	0.27747483	3.864020
02/07/1916	148.641488	2.45185581	0.89029336	341.871156	353.214955	10.636887	0.26898486	3.839220
02/14/1945	14.389757	2.42608346	0.89747201	343.136962	352.184174	11.224009	0.24874146	3.778846
02/22/1974	256.348752	2.43248959	0.89563107	343.275348	352.142526	11.214838	0.25387633	3.793823
03/02/2003	103.844346	2.46075341	0.88818299	344.663566	351.023370	11.517386	0.27515410	3.860137
03/09/2032	287.103896	2.44238804	0.89202194	347.754811	348.405110	13.058913	0.26372432	3.817004
03/17/2061	159.352105	2.42636976	0.89617997	348.264405	348.056235	13.375811	0.25190577	3.779515
03/25/2090	39.269127	2.43856694	0.89263498	348.450427	348.058278	13.285809	0.26181679	3.808050
04/03/2119	236.986877	2.46361409	0.88490460	349.801586	347.071595	13.639501	0.28355065	3.866871
04/10/2148	67.208990	2.43559516	0.89330346	351.735145	345.577469	14.728928	0.25986958	3.801091
04/18/2177	304.463504	2.42699656	0.89600582	351.986804	345.449180	14.924250	0.25239352	3.780980

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