Asteroid General Data

2015 HG₉

General information

Preliminary designation	2015 HG₉
Group	Apollo
Absolute magnitude	23.98
Approximate diameter (m)	42
Approximate mass (kg)	1.41·10⁸
Number of observations	34
Arc length (days)	7

Approaches

No approaches found

Orbit initial data

Date of initial data	09/17/2026
M – mean anomaly (degrees)	243.061372
a – orbit major semiaxis (astronomical units)	2.14596100
e – orbit eccentricity	0.84394200
ω – orbit ascending node-perihelion angle (degrees)	219.029981
Ω – longitude of orbit ascending node (degrees)	225.084034
i – orbit inclination to the ecliptic plane (degrees)	5.236368

Orbital evolution

Date	M	a	e	ω	Ω	i	q	P
01/13/1829	115.828076	2.13474671	0.84361257	207.904320	235.002031	6.367219	0.33384754	3.119034
01/21/1858	226.320647	2.13739939	0.84109229	210.047591	233.108564	6.083500	0.33964925	3.124850
01/29/1887	333.548115	2.13377700	0.84298768	210.448453	232.787248	6.053919	0.33502928	3.116909
02/07/1916	85.544159	2.13769768	0.84090820	212.836557	230.653064	5.766718	0.34009017	3.125504
02/14/1945	191.879108	2.13338556	0.84285755	213.294483	230.278517	5.741346	0.33524544	3.116052
02/22/1974	305.748885	2.13711913	0.84093106	215.988887	227.843160	5.459589	0.33994927	3.124235
03/02/2003	53.045497	2.13336029	0.84270250	216.455838	227.434479	5.435341	0.33557223	3.115996
03/09/2032	168.730972	2.13479851	0.84213330	219.311802	224.883199	5.191334	0.33701360	3.119148
03/17/2061	276.951428	2.13440960	0.84231790	220.086273	224.111648	5.134944	0.33655820	3.118295
03/25/2090	31.733096	2.13185589	0.84346959	222.855963	221.593629	4.941297	0.33370027	3.112701
04/03/2119	137.407823	2.13622956	0.84198283	224.181695	220.339348	4.843971	0.33756094	3.122285
04/10/2148	249.175237	2.13199751	0.84356548	227.236480	217.529191	4.660183	0.33351800	3.113011
04/18/2177	354.040830	2.13585687	0.84167498	228.870548	215.977417	4.564053	0.33815959	3.121468

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