Asteroid General Data

2015 DA₁₅₆

General information

Preliminary designation	2015 DA₁₅₆
Group	Apollo
Absolute magnitude	22.12
Approximate diameter (m)	100
Approximate mass (kg)	1.84·10⁹
Number of observations	35
Arc length (days)	8

Approaches

No approaches found

Orbit initial data

Date of initial data	09/17/2026
M – mean anomaly (degrees)	132.453614
a – orbit major semiaxis (astronomical units)	1.68806600
e – orbit eccentricity	0.60659800
ω – orbit ascending node-perihelion angle (degrees)	253.730912
Ω – longitude of orbit ascending node (degrees)	148.873666
i – orbit inclination to the ecliptic plane (degrees)	34.362262

Orbital evolution

Date	M	a	e	ω	Ω	i	q	P
01/13/1829	144.506504	1.69003357	0.60365260	252.215865	151.096221	34.621964	0.66984041	2.197069
01/21/1858	220.408557	1.68959856	0.60405532	252.459553	150.762416	34.591088	0.66898756	2.196220
01/29/1887	298.180714	1.68912385	0.60475976	252.666322	150.449890	34.553682	0.66760971	2.195295
02/07/1916	15.760176	1.68963100	0.60523963	252.879386	150.120610	34.514333	0.66699936	2.196284
02/14/1945	90.945750	1.69062909	0.60571381	253.100409	149.811160	34.472141	0.66659171	2.198230
02/22/1974	162.412084	1.69121776	0.60639079	253.322603	149.451800	34.435605	0.66567889	2.199378
03/02/2003	232.955663	1.69080488	0.60666104	253.555852	149.138944	34.410370	0.66505944	2.198573
03/09/2032	306.617083	1.69019156	0.60704879	253.824500	148.775807	34.372394	0.66416282	2.197377
03/17/2061	23.650761	1.68936970	0.60762230	254.063033	148.467511	34.340730	0.66287100	2.195774
03/25/2090	102.093805	1.68917417	0.60834907	254.286516	148.138477	34.297732	0.66156663	2.195393
04/03/2119	178.929564	1.69010981	0.60880945	254.503996	147.808584	34.261415	0.66115498	2.197217
04/10/2148	254.265487	1.68959877	0.60932327	254.747753	147.462304	34.230125	0.66008692	2.196221
04/18/2177	331.560967	1.68935077	0.60974242	254.960372	147.136518	34.203457	0.65928194	2.195737

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