Asteroid General Data

2021 DN

General information

Preliminary designation	2021 DN
Group	Apollo
Absolute magnitude	23.83
Approximate diameter (m)	46
Approximate mass (kg)	1.73·10⁸
Number of observations	44
Arc length (days)	22

Approaches

No approaches found

Orbit initial data

Date of initial data	09/17/2026
M – mean anomaly (degrees)	50.654093
a – orbit major semiaxis (astronomical units)	1.92388100
e – orbit eccentricity	0.58929200
ω – orbit ascending node-perihelion angle (degrees)	67.404018
Ω – longitude of orbit ascending node (degrees)	8.079911
i – orbit inclination to the ecliptic plane (degrees)	2.951855

Orbital evolution

Date	M	a	e	ω	Ω	i	q	P
01/13/1829	134.205315	1.93111992	0.59127624	60.247068	14.110382	3.098203	0.78929459	2.683580
01/21/1858	71.430944	1.92853934	0.59098257	61.504576	13.103260	3.072404	0.78880621	2.678202
01/29/1887	9.923030	1.92976051	0.59064094	62.203332	12.417576	3.055752	0.78996495	2.680746
02/07/1916	307.716295	1.92908756	0.59130916	63.500981	11.387407	3.028976	0.78840041	2.679344
02/14/1945	246.187543	1.93018301	0.59075965	64.352713	10.647057	3.010498	0.78990878	2.681627
02/22/1974	182.729699	1.92911999	0.59144640	65.536408	9.653808	2.988714	0.78814891	2.679412
03/02/2003	122.352566	1.92744242	0.59078935	66.472616	8.879430	2.970912	0.78872997	2.675918
03/09/2032	62.067499	1.92925956	0.59175268	67.699884	7.838181	2.953721	0.78761505	2.679703
03/17/2061	358.338685	1.92911289	0.59139395	68.729900	6.989552	2.936454	0.78824721	2.679397
03/25/2090	295.100793	1.92941184	0.59188341	69.995865	5.841714	2.927244	0.78742498	2.680020
04/03/2119	230.640643	1.92854974	0.59108305	71.036454	4.958472	2.910386	0.78861668	2.678224
04/10/2148	167.423612	1.92913508	0.59119429	72.103556	3.967461	2.898981	0.78864144	2.679443
04/18/2177	106.130260	1.92922886	0.59063388	73.224835	3.012631	2.883295	0.78976093	2.679639

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