Asteroid General Data

2021 DE₁

General information

Preliminary designation	2021 DE₁
Group	Apollo
Absolute magnitude	27.54
Approximate diameter (m)	8
Approximate mass (kg)	1.03·10⁶
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)	333.073561
a – orbit major semiaxis (astronomical units)	1.06880000
e – orbit eccentricity	0.08323000
ω – orbit ascending node-perihelion angle (degrees)	219.951780
Ω – longitude of orbit ascending node (degrees)	340.789260
i – orbit inclination to the ecliptic plane (degrees)	3.067969

Orbital evolution

Date	M	a	e	ω	Ω	i	q	P
01/13/1829	200.167741	1.07916707	0.08463847	203.765688	350.110228	3.569456	0.98782803	1.121072
01/21/1858	119.801929	1.08461575	0.08817298	205.881250	347.963683	3.536398	0.98898195	1.129573
01/29/1887	327.232100	1.10223502	0.10362967	204.957365	345.579258	3.099909	0.98801077	1.157209
02/07/1916	7.225022	1.10019762	0.10246118	205.502437	345.186488	3.100758	0.98747007	1.154002
02/14/1945	121.136571	1.08021220	0.08989931	211.950544	343.790961	3.114584	0.98310186	1.122701
02/22/1974	76.135418	1.07976534	0.08962880	212.196580	343.496859	3.111743	0.98298726	1.122005
03/02/2003	345.236946	1.08419588	0.09201123	214.381706	341.867001	3.106222	0.98443768	1.128918
03/09/2032	317.191341	1.06877177	0.08328141	219.840988	340.724184	3.066892	0.97976296	1.104913
03/17/2061	137.820553	1.05723568	0.07695563	224.516679	339.785438	3.056399	0.97587544	1.087072
03/25/2090	12.448905	1.05959631	0.07860272	224.287504	338.218622	3.042534	0.97630916	1.090715
04/03/2119	205.769814	1.06020634	0.07976460	223.849711	336.579584	3.013976	0.97563940	1.091657
04/10/2148	163.878667	1.04925981	0.07403211	228.802515	335.667105	2.999976	0.97158089	1.074794
04/18/2177	138.238862	1.05192138	0.07469529	230.607133	334.525496	3.017869	0.97334780	1.078886

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