Asteroid General Data

2021 HF₂

General information

Preliminary designation	2021 HF₂
Group	Apollo
Absolute magnitude	24.88
Approximate diameter (m)	28
Approximate mass (kg)	4.05·10⁷
Number of observations	57
Arc length (days)	8

Approaches

No approaches found

Orbit initial data

Date of initial data	09/17/2026
M – mean anomaly (degrees)	220.011592
a – orbit major semiaxis (astronomical units)	2.20682300
e – orbit eccentricity	0.65835100
ω – orbit ascending node-perihelion angle (degrees)	127.236749
Ω – longitude of orbit ascending node (degrees)	160.557313
i – orbit inclination to the ecliptic plane (degrees)	3.223583

Orbital evolution

Date	M	a	e	ω	Ω	i	q	P
01/13/1829	154.931512	2.21110760	0.65786284	113.539929	172.341315	2.894239	0.75650207	3.287876
01/21/1858	94.496677	2.21107696	0.65860168	115.689290	170.500890	2.934778	0.75485796	3.287808
01/29/1887	34.413489	2.21151019	0.65755029	117.620812	168.795892	2.977966	0.75733103	3.288774
02/07/1916	333.527699	2.21310676	0.65866584	119.701784	167.023546	3.027495	0.75540895	3.292336
02/14/1945	266.908602	2.21463931	0.65846868	121.722643	165.262100	3.079627	0.75636868	3.295757
02/22/1974	204.097533	2.21098699	0.65869411	123.380340	163.861698	3.122471	0.75462289	3.287607
03/02/2003	150.192290	2.20560825	0.65921202	125.635613	161.929025	3.186327	0.75164479	3.275617
03/09/2032	101.640830	2.20565961	0.65802809	127.385735	160.438245	3.233236	0.75427364	3.275732
03/17/2061	54.551281	2.20218889	0.66095279	128.754510	159.198768	3.271491	0.74664601	3.268003
03/25/2090	3.251388	2.20549868	0.66022907	131.041066	157.305766	3.356357	0.74936433	3.275373
04/03/2119	315.741976	2.20112404	0.66093697	131.725881	156.641055	3.384418	0.74631978	3.265633
04/10/2148	266.048911	2.20058213	0.66149675	133.709991	155.015283	3.462908	0.74490421	3.264427
04/18/2177	219.182965	2.20482860	0.66034919	134.373922	154.418341	3.493815	0.74887183	3.273881

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