Asteroid General Data

2020 HW₉ (846655)

General information

Preliminary designation	2020 HW₉
Number	846655
Group	Apollo
Absolute magnitude	19.13
Approximate diameter (m)	400
Approximate mass (kg)	1.14·10¹¹
Number of observations	134
Arc length (days)	5087

Approaches

No approaches found

Orbit initial data

Date of initial data	09/17/2026
M – mean anomaly (degrees)	145.668659
a – orbit major semiaxis (astronomical units)	1.94892400
e – orbit eccentricity	0.83063700
ω – orbit ascending node-perihelion angle (degrees)	309.411721
Ω – longitude of orbit ascending node (degrees)	136.387620
i – orbit inclination to the ecliptic plane (degrees)	22.070018

Orbital evolution

Date	M	a	e	ω	Ω	i	q	P
01/13/1829	275.635287	1.94931510	0.83515774	301.627233	144.348621	20.186057	0.32132950	2.721596
01/21/1858	153.210611	1.94827997	0.83421829	302.997145	142.970902	20.463150	0.32298918	2.719429
01/29/1887	32.954248	1.94929437	0.83297657	304.119292	141.825597	20.710968	0.32557783	2.721553
02/07/1916	272.587146	1.94813361	0.83268662	305.476412	140.427755	21.034412	0.32594882	2.719122
02/14/1945	151.875050	1.94975849	0.83149074	306.310805	139.562834	21.229965	0.32855235	2.722525
02/22/1974	31.247489	1.94998094	0.83060753	307.638233	138.203327	21.572024	0.33031209	2.722991
03/02/2003	270.808585	1.94911913	0.83066974	308.419226	137.394035	21.784948	0.33004485	2.721186
03/09/2032	151.051901	1.94886558	0.83031138	309.565227	136.238937	22.102811	0.33070031	2.720655
03/17/2061	29.802668	1.94833453	0.82984418	310.557269	135.188198	22.415639	0.33152045	2.719543
03/25/2090	269.263359	1.94787850	0.82921548	311.597888	134.121742	22.735300	0.33266749	2.718588
04/03/2119	148.333653	1.94880745	0.82808559	312.556023	133.135796	23.046787	0.33502808	2.720533
04/10/2148	27.384658	1.94971610	0.82635339	313.311006	132.369361	23.293371	0.33856159	2.722436
04/18/2177	266.718045	1.94890887	0.82575947	314.373920	131.275738	23.678019	0.33957891	2.720745

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