Asteroid General Data

2001 HW₇

General information

Preliminary designation	2001 HW₇
Group	Amor
Absolute magnitude	20.30
Approximate diameter (m)	230
Approximate mass (kg)	2.27·10¹⁰
Number of observations	81
Arc length (days)	6020

Approaches

No approaches found

Orbit initial data

Date of initial data	09/17/2026
M – mean anomaly (degrees)	310.135611
a – orbit major semiaxis (astronomical units)	2.17188800
e – orbit eccentricity	0.51224300
ω – orbit ascending node-perihelion angle (degrees)	83.341887
Ω – longitude of orbit ascending node (degrees)	195.075628
i – orbit inclination to the ecliptic plane (degrees)	7.743756

Orbital evolution

Date	M	a	e	ω	Ω	i	q	P
01/13/1829	21.790258	2.17127797	0.51035543	75.746314	201.181586	7.822818	1.06315446	3.199438
01/21/1858	47.070803	2.17084916	0.50949656	76.176072	200.722308	7.821351	1.06480898	3.198491
01/29/1887	74.178590	2.17072236	0.50907549	77.530460	199.642635	7.802222	1.06566080	3.198210
02/07/1916	102.444730	2.16942849	0.51049109	78.898917	198.649200	7.783279	1.06195458	3.195351
02/14/1945	129.960793	2.16879206	0.51171158	80.085795	197.687330	7.768100	1.05899606	3.193945
02/22/1974	157.351509	2.17120431	0.51019360	80.675244	197.119386	7.768269	1.06346976	3.199276
03/02/2003	183.284069	2.17238815	0.51093388	82.067374	196.049928	7.752867	1.06244145	3.201893
03/09/2032	206.086685	2.17205708	0.51262718	83.351529	195.051216	7.742884	1.05860158	3.201161
03/17/2061	227.112177	2.17279903	0.51312473	84.338965	194.179232	7.733015	1.05788212	3.202801
03/25/2090	249.273776	2.17331856	0.51139760	85.211258	193.435028	7.741924	1.06188866	3.203950
04/03/2119	271.628818	2.17163427	0.51270388	86.540031	192.422441	7.737320	1.05822895	3.200226
04/10/2148	294.338038	2.17039705	0.51363722	87.778267	191.419344	7.733903	1.05560035	3.197491
04/18/2177	319.312148	2.17167446	0.51115380	88.406281	190.830289	7.740483	1.06161481	3.200315

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