Asteroid General Data

2015 DA₁₈₁

General information

Preliminary designation	2015 DA₁₈₁
Group	Amor
Absolute magnitude	25.01
Approximate diameter (m)	26
Approximate mass (kg)	3.39·10⁷
Number of observations	16
Arc length (days)	29

Approaches

No approaches found

Orbit initial data

Date of initial data	09/17/2026
M – mean anomaly (degrees)	35.982109
a – orbit major semiaxis (astronomical units)	2.00022700
e – orbit eccentricity	0.43714900
ω – orbit ascending node-perihelion angle (degrees)	156.386419
Ω – longitude of orbit ascending node (degrees)	343.648511
i – orbit inclination to the ecliptic plane (degrees)	6.333604

Orbital evolution

Date	M	a	e	ω	Ω	i	q	P
01/13/1829	68.780873	1.99849703	0.43907496	153.028222	345.575293	6.305171	1.12100703	2.825243
01/21/1858	163.264027	1.99996645	0.43741352	153.636667	345.299764	6.304884	1.12515409	2.828360
01/29/1887	258.962836	1.99855012	0.43878087	154.082443	344.995854	6.320292	1.12162456	2.825356
02/07/1916	354.041666	2.00004156	0.43676514	154.664500	344.735570	6.316043	1.12649313	2.828519
02/14/1945	88.601223	1.99904940	0.43904737	155.108063	344.420747	6.333407	1.12137203	2.826415
02/22/1974	183.434893	2.00144338	0.43645160	155.519764	344.168682	6.326749	1.12791022	2.831494
03/02/2003	278.250407	1.99881108	0.43864382	156.143861	343.838592	6.342286	1.12204496	2.825909
03/09/2032	12.682800	2.00008742	0.43682907	156.399735	343.617869	6.332532	1.12639109	2.828617
03/17/2061	106.542364	1.99888693	0.43793348	157.171450	343.283128	6.350711	1.12350742	2.826070
03/25/2090	202.341301	1.99976909	0.43677132	157.416640	343.071232	6.342295	1.12632730	2.827941
04/03/2119	294.112440	1.99960952	0.43793097	158.207635	342.749023	6.360590	1.12391859	2.827603
04/10/2148	28.821036	2.00013999	0.43655384	158.490082	342.526140	6.352105	1.12697120	2.828728
04/18/2177	121.443345	1.99852225	0.43762436	159.249033	342.223965	6.368992	1.12392022	2.825297

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