Asteroid General Data

2020 HD₉

General information

Preliminary designation	2020 HD₉
Group	Apollo
Absolute magnitude	19.58
Approximate diameter (m)	320
Approximate mass (kg)	6.14·10¹⁰
Number of observations	24
Arc length (days)	3

Approaches

No approaches found

Orbit initial data

Date of initial data	09/17/2026
M – mean anomaly (degrees)	14.208891
a – orbit major semiaxis (astronomical units)	2.18119100
e – orbit eccentricity	0.91090400
ω – orbit ascending node-perihelion angle (degrees)	171.480725
Ω – longitude of orbit ascending node (degrees)	230.497254
i – orbit inclination to the ecliptic plane (degrees)	19.364703

Orbital evolution

Date	M	a	e	ω	Ω	i	q	P
01/13/1829	354.619078	2.21026733	0.91781157	168.139708	233.073614	16.435884	0.18165841	3.286002
01/21/1858	286.189032	2.21522296	0.91586993	168.604564	232.704143	16.712247	0.18636687	3.297059
01/29/1887	217.287368	2.21368874	0.91619603	169.311641	232.074236	17.365679	0.18551591	3.293635
02/07/1916	148.893921	2.21587821	0.91467095	169.797759	231.745392	17.700299	0.18907879	3.298522
02/14/1945	79.980764	2.21490575	0.91421564	170.353417	231.296344	18.191041	0.19000426	3.296351
02/22/1974	11.833264	2.21561863	0.91338159	170.868641	230.932697	18.632601	0.19191337	3.297943
03/02/2003	303.236527	2.21469931	0.91302750	171.375265	230.550164	19.097738	0.19261794	3.295890
03/09/2032	235.353138	2.21475485	0.91222378	171.870595	230.203278	19.533495	0.19440281	3.296014
03/17/2061	167.199118	2.21427459	0.91209649	172.333541	229.866151	19.981182	0.19464250	3.294942
03/25/2090	99.522164	2.21431236	0.91145733	172.803178	229.538330	20.406711	0.19606113	3.295027
04/03/2119	31.768282	2.21360913	0.91112679	173.211130	229.249820	20.797016	0.19673054	3.293457
04/10/2148	324.121626	2.21359151	0.91053018	173.634519	228.952963	21.197548	0.19804964	3.293418
04/18/2177	256.662579	2.21400289	0.90997718	174.025770	228.703636	21.536367	0.19931078	3.294336

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