Asteroid General Data

2020 HH

General information

Preliminary designation	2020 HH
Group	Apollo
Absolute magnitude	19.94
Approximate diameter (m)	270
Approximate mass (kg)	3.73·10¹⁰
Number of observations	55
Arc length (days)	759

Approaches

No approaches found

Orbit initial data

Date of initial data	09/17/2026
M – mean anomaly (degrees)	238.531768
a – orbit major semiaxis (astronomical units)	1.50154300
e – orbit eccentricity	0.61288600
ω – orbit ascending node-perihelion angle (degrees)	348.705294
Ω – longitude of orbit ascending node (degrees)	74.746617
i – orbit inclination to the ecliptic plane (degrees)	12.353625

Orbital evolution

Date	M	a	e	ω	Ω	i	q	P
01/13/1829	100.231061	1.50179786	0.61353300	347.136476	75.939826	12.318649	0.58039532	1.840424
01/21/1858	16.186671	1.50178012	0.61336854	347.363044	75.816995	12.324782	0.58063544	1.840391
01/29/1887	293.114482	1.50139978	0.61326459	347.567297	75.681412	12.333745	0.58064446	1.839692
02/07/1916	212.756908	1.50100642	0.61300373	347.803305	75.538356	12.340161	0.58088389	1.838969
02/14/1945	128.607637	1.50345330	0.61339119	348.084185	75.347508	12.332611	0.58124829	1.843468
02/22/1974	37.654544	1.50288679	0.61315201	348.237327	75.122556	12.328768	0.58138873	1.842426
03/02/2003	310.447129	1.50144566	0.61284846	348.518392	74.873746	12.343521	0.58128700	1.839776
03/09/2032	230.591898	1.50135413	0.61286087	348.743794	74.734115	12.353650	0.58123293	1.839608
03/17/2061	148.474155	1.50175449	0.61298773	348.952867	74.607434	12.359641	0.58119741	1.840344
03/25/2090	64.707052	1.50175588	0.61323344	349.158938	74.470681	12.369133	0.58082895	1.840347
04/03/2119	341.840894	1.50132892	0.61286991	349.376852	74.346857	12.371331	0.58120960	1.839562
04/10/2148	261.683569	1.50091874	0.61284220	349.567566	74.219348	12.380051	0.58109240	1.838808
04/18/2177	176.599305	1.50330302	0.61299874	349.875045	73.989350	12.364044	0.58178016	1.843191

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