Asteroid General Data

2015 HR₉

General information

Preliminary designation	2015 HR₉
Group	Apollo
Absolute magnitude	25.68
Approximate diameter (m)	19
Approximate mass (kg)	1.34·10⁷
Number of observations	19
Arc length (days)	4

Approaches

No approaches found

Orbit initial data

Date of initial data	09/17/2026
M – mean anomaly (degrees)	20.208429
a – orbit major semiaxis (astronomical units)	2.01292100
e – orbit eccentricity	0.52126100
ω – orbit ascending node-perihelion angle (degrees)	277.925462
Ω – longitude of orbit ascending node (degrees)	223.311295
i – orbit inclination to the ecliptic plane (degrees)	4.499699

Orbital evolution

Date	M	a	e	ω	Ω	i	q	P
01/13/1829	307.102438	2.01505403	0.52181353	270.150235	229.946327	4.444704	0.96357158	2.860426
01/21/1858	3.559198	2.01423791	0.52336449	270.780296	229.284773	4.446605	0.96005732	2.858688
01/29/1887	55.303702	2.01584386	0.52069124	272.005891	228.307111	4.456946	0.96621162	2.862108
02/07/1916	108.256710	2.01194116	0.52353839	273.916924	226.822724	4.458831	0.95861272	2.853800
02/14/1945	169.699590	2.01211755	0.52244956	274.501575	226.165567	4.459495	0.96088762	2.854175
02/22/1974	226.299101	2.01368431	0.52036519	276.479917	224.651077	4.473566	0.96583310	2.857510
03/02/2003	289.107437	2.01017739	0.52306723	277.253381	223.981663	4.482739	0.95871948	2.850048
03/09/2032	350.384319	2.01313172	0.52103635	277.932170	223.279136	4.500154	0.96421692	2.856333
03/17/2061	43.204797	2.01429397	0.52199061	280.272149	221.506817	4.531780	0.96285143	2.858807
03/25/2090	98.658809	2.01410583	0.52340848	280.791562	220.994013	4.537722	0.95990575	2.858407
04/03/2119	147.066185	2.01692662	0.51971340	282.249741	219.820525	4.563042	0.96870283	2.864414
04/10/2148	194.891474	2.01555400	0.52219980	283.841149	218.604222	4.589295	0.96303209	2.861490
04/18/2177	247.096720	2.01673738	0.52256225	284.339788	218.028363	4.597698	0.96286656	2.864011

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