Asteroid General Data

2015 HW₉

General information

Preliminary designation	2015 HW₉
Group	Amor
Absolute magnitude	23.61
Approximate diameter (m)	50
Approximate mass (kg)	2.34·10⁸
Number of observations	38
Arc length (days)	8

Approaches

No approaches found

Orbit initial data

Date of initial data	09/17/2026
M – mean anomaly (degrees)	255.414183
a – orbit major semiaxis (astronomical units)	1.43948100
e – orbit eccentricity	0.25121500
ω – orbit ascending node-perihelion angle (degrees)	116.059247
Ω – longitude of orbit ascending node (degrees)	34.812694
i – orbit inclination to the ecliptic plane (degrees)	25.824847

Orbital evolution

Date	M	a	e	ω	Ω	i	q	P
01/13/1829	105.352416	1.43991842	0.25293046	114.938242	35.761883	25.794924	1.07571919	1.727856
01/21/1858	31.442767	1.44008270	0.25267008	115.119327	35.616133	25.799929	1.07621689	1.728151
01/29/1887	317.824150	1.43990130	0.25244703	115.265308	35.481451	25.803324	1.07640250	1.727825
02/07/1916	244.541132	1.44002759	0.25220760	115.419884	35.335128	25.807845	1.07684169	1.728052
02/14/1945	171.792195	1.43974742	0.25196724	115.582197	35.202368	25.811821	1.07697824	1.727548
02/22/1974	99.799988	1.43967899	0.25182591	115.714655	35.069847	25.812922	1.07713052	1.727425
03/02/2003	28.012216	1.43958593	0.25147006	115.912545	34.925052	25.820887	1.07757317	1.727257
03/09/2032	316.721221	1.43955782	0.25126026	116.054220	34.796924	25.822990	1.07785414	1.727207
03/17/2061	245.967848	1.43933977	0.25088979	116.252463	34.649654	25.830559	1.07822412	1.726814
03/25/2090	175.565448	1.43934169	0.25069712	116.405870	34.519933	25.834609	1.07850287	1.726818
04/03/2119	105.844432	1.43922360	0.25027327	116.601487	34.374189	25.840881	1.07902440	1.726605
04/10/2148	36.638527	1.43925963	0.25011996	116.768231	34.241221	25.844111	1.07927207	1.726670
04/18/2177	327.681157	1.43912327	0.24981857	116.936950	34.096354	25.849555	1.07960355	1.726425

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