Asteroid General Data

2021 DO₁

General information

Preliminary designation	2021 DO₁
Group	Aten
Absolute magnitude	25.26
Approximate diameter (m)	24
Approximate mass (kg)	2.40·10⁷
Number of observations	35
Arc length (days)	16

Approaches

No approaches found

Orbit initial data

Date of initial data	09/17/2026
M – mean anomaly (degrees)	204.509696
a – orbit major semiaxis (astronomical units)	0.85091600
e – orbit eccentricity	0.23995200
ω – orbit ascending node-perihelion angle (degrees)	0.825340
Ω – longitude of orbit ascending node (degrees)	337.139657
i – orbit inclination to the ecliptic plane (degrees)	10.945020

Orbital evolution

Date	M	a	e	ω	Ω	i	q	P
01/13/1829	255.677513	0.85087581	0.24042732	0.038639	339.293872	10.979256	0.64630201	0.784874
01/21/1858	246.764251	0.85056059	0.24072116	0.190913	338.946028	10.954438	0.64581265	0.784438
01/29/1887	240.010710	0.85095250	0.24027542	0.325302	338.644092	10.967019	0.64648953	0.784980
02/07/1916	230.927889	0.85092992	0.24043549	0.355446	338.348734	10.948631	0.64633616	0.784949
02/14/1945	223.747959	0.85092924	0.24038418	0.581090	338.035740	10.948056	0.64637932	0.784948
02/22/1974	213.587465	0.85077008	0.24028574	0.561210	337.720941	10.940102	0.64634216	0.784728
03/02/2003	205.807426	0.85085774	0.24023228	0.794760	337.385637	10.936814	0.64645424	0.784849
03/09/2032	195.589915	0.85079816	0.24011734	0.802601	337.102081	10.945936	0.64650677	0.784766
03/17/2061	186.965335	0.85091846	0.24022897	0.992583	336.771746	10.919905	0.64650320	0.784933
03/25/2090	177.693000	0.85103007	0.23981857	1.172582	336.466070	10.930327	0.64693726	0.785087
04/03/2119	166.922809	0.85079362	0.24002271	1.144804	336.138199	10.910608	0.64658383	0.784760
04/10/2148	158.466169	0.85109448	0.23977914	1.388558	335.817577	10.913503	0.64701978	0.785176
04/18/2177	145.633006	0.85098237	0.23943776	1.428299	335.535286	10.920930	0.64722506	0.785021

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