Asteroid General Data

2021 HH₁

General information

Preliminary designation	2021 HH₁
Group	Apollo
Absolute magnitude	23.34
Approximate diameter (m)	57
Approximate mass (kg)	3.40·10⁸
Number of observations	73
Arc length (days)	13

Approaches

No approaches found

Orbit initial data

Date of initial data	09/17/2026
M – mean anomaly (degrees)	108.664119
a – orbit major semiaxis (astronomical units)	1.35991700
e – orbit eccentricity	0.43296400
ω – orbit ascending node-perihelion angle (degrees)	248.466337
Ω – longitude of orbit ascending node (degrees)	49.363080
i – orbit inclination to the ecliptic plane (degrees)	14.013059

Orbital evolution

Date	M	a	e	ω	Ω	i	q	P
01/13/1829	244.131248	1.35965365	0.43274057	246.639163	50.963637	14.039030	0.77127635	1.585415
01/21/1858	353.505612	1.35979394	0.43260178	246.836590	50.745233	14.041905	0.77154465	1.585661
01/29/1887	102.306662	1.35967647	0.43264946	247.182525	50.491399	14.033427	0.77141317	1.585455
02/07/1916	211.150990	1.36018287	0.43276388	247.399973	50.267367	14.029849	0.77154486	1.586341
02/14/1945	317.983721	1.36014856	0.43282615	247.712320	50.015417	14.018734	0.77144070	1.586281
02/22/1974	62.331263	1.36051262	0.43299729	247.909986	49.798330	14.019146	0.77141434	1.586918
03/02/2003	166.637272	1.36070982	0.43308281	248.196708	49.564234	14.008742	0.77140979	1.587263
03/09/2032	271.632218	1.35997141	0.43291626	248.520064	49.319430	14.011742	0.77121767	1.585971
03/17/2061	19.161603	1.35994087	0.43303813	248.736353	49.093074	14.001759	0.77103461	1.585918
03/25/2090	128.239294	1.36009052	0.43283734	249.038696	48.854763	13.995995	0.77139255	1.586179
04/03/2119	235.069340	1.35994555	0.43293160	249.312251	48.629020	13.989965	0.77118214	1.585926
04/10/2148	340.122118	1.36061729	0.43296116	249.558612	48.372528	13.983109	0.77152285	1.587101
04/18/2177	84.587855	1.36020379	0.43297681	249.865144	48.150747	13.976746	0.77126709	1.586378

Detailed table...

3D animation...

Calculation on the date...

Return to objects selection