Asteroid General Data

2020 DD₁

General information

Preliminary designation	2020 DD₁
Group	Apollo
Absolute magnitude	26.99
Approximate diameter (m)	11
Approximate mass (kg)	2.20·10⁶
Number of observations	14
Arc length (days)	3

Approaches

No approaches found

Orbit initial data

Date of initial data	09/17/2026
M – mean anomaly (degrees)	7.378692
a – orbit major semiaxis (astronomical units)	1.39876800
e – orbit eccentricity	0.28528400
ω – orbit ascending node-perihelion angle (degrees)	328.541846
Ω – longitude of orbit ascending node (degrees)	150.302919
i – orbit inclination to the ecliptic plane (degrees)	12.305788

Orbital evolution

Date	M	a	e	ω	Ω	i	q	P
01/13/1829	212.901157	1.39996434	0.28677315	326.535081	151.458526	12.223101	0.99849216	1.656441
01/21/1858	44.079273	1.39918945	0.28612039	326.778925	151.299961	12.232956	0.99885282	1.655066
01/29/1887	233.565098	1.39948282	0.28619376	327.096901	151.116889	12.243089	0.99895957	1.655587
02/07/1916	64.825139	1.39939788	0.28606253	327.342434	150.978762	12.251605	0.99908258	1.655436
02/14/1945	256.066630	1.39877328	0.28558439	327.685268	150.785051	12.270512	0.99930546	1.654328
02/22/1974	90.244066	1.39981187	0.28621074	327.956093	150.631484	12.277378	0.99917067	1.656171
03/02/2003	284.741325	1.39862384	0.28541536	328.195354	150.468419	12.288422	0.99943512	1.654063
03/09/2032	119.024277	1.39868005	0.28516269	328.558842	150.277438	12.305946	0.99982869	1.654163
03/17/2061	315.169048	1.39889349	0.28524656	328.783832	150.142967	12.313053	0.99986394	1.654541
03/25/2090	147.020124	1.39897923	0.28511060	329.110901	149.963454	12.321734	1.00011543	1.654693
04/03/2119	337.357237	1.39996512	0.28536049	329.450131	149.782632	12.331334	1.00047039	1.656443
04/10/2148	167.478720	1.39936893	0.28509202	329.661403	149.651758	12.338861	1.00042001	1.655385
04/18/2177	354.140396	1.39990985	0.28494683	330.126665	149.447470	12.356380	1.00100997	1.656345

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