Asteroid General Data

2018 DD₂

General information

Preliminary designation	2018 DD₂
Group	Apollo
Absolute magnitude	27.37
Approximate diameter (m)	9
Approximate mass (kg)	1.30·10⁶
Number of observations	18
Arc length (days)	2

Approaches

No approaches found

Orbit initial data

Date of initial data	09/17/2026
M – mean anomaly (degrees)	264.204087
a – orbit major semiaxis (astronomical units)	1.31861500
e – orbit eccentricity	0.29451600
ω – orbit ascending node-perihelion angle (degrees)	311.179258
Ω – longitude of orbit ascending node (degrees)	153.917632
i – orbit inclination to the ecliptic plane (degrees)	7.352039

Orbital evolution

Date	M	a	e	ω	Ω	i	q	P
01/13/1829	215.118318	1.32207352	0.29693070	309.080370	155.659378	7.208034	0.92950931	1.520142
01/21/1858	247.912807	1.32086578	0.29630925	309.343820	155.398580	7.220309	0.92948103	1.518059
01/29/1887	282.630722	1.32180389	0.29653305	309.571910	155.254793	7.224666	0.92984534	1.519677
02/07/1916	314.330572	1.32278414	0.29679223	309.985619	154.980405	7.231071	0.93019209	1.521367
02/14/1945	349.272513	1.32115218	0.29619186	310.264116	154.692645	7.251816	0.92983766	1.518553
02/22/1974	30.349258	1.32001146	0.29589280	310.594479	154.420192	7.265584	0.92942957	1.516586
03/02/2003	73.280012	1.32086798	0.29608967	310.826882	154.265815	7.268108	0.92977262	1.518063
03/09/2032	125.958679	1.31878670	0.29467295	311.192776	153.893402	7.352144	0.93017594	1.514476
03/17/2061	184.110357	1.31865230	0.29451885	311.430914	153.744475	7.359049	0.93028434	1.514245
03/25/2090	250.211428	1.31814122	0.29435238	311.759425	153.402400	7.375195	0.93014322	1.513364
04/03/2119	312.906705	1.31792662	0.29411831	311.990179	153.252782	7.382150	0.93030027	1.512995
04/10/2148	30.027996	1.31652884	0.29332649	312.356238	152.858561	7.419931	0.93035606	1.510589
04/18/2177	105.431234	1.31661595	0.29327072	312.561272	152.721007	7.426999	0.93049104	1.510738

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