Asteroid General Data

2021 DW

General information

Preliminary designation	2021 DW
Group	Apollo
Absolute magnitude	24.54
Approximate diameter (m)	33
Approximate mass (kg)	6.48·10⁷
Number of observations	28
Arc length (days)	20

Approaches

No approaches found

Orbit initial data

Date of initial data	09/17/2026
M – mean anomaly (degrees)	55.808639
a – orbit major semiaxis (astronomical units)	1.48708600
e – orbit eccentricity	0.36126100
ω – orbit ascending node-perihelion angle (degrees)	127.157502
Ω – longitude of orbit ascending node (degrees)	321.656567
i – orbit inclination to the ecliptic plane (degrees)	18.897707

Orbital evolution

Date	M	a	e	ω	Ω	i	q	P
01/13/1829	307.829057	1.48427153	0.36208833	125.280023	322.963592	18.754319	0.94683413	1.808301
01/21/1858	325.635061	1.48445615	0.36177177	125.564833	322.764254	18.768538	0.94742182	1.808638
01/29/1887	341.825518	1.48430669	0.36138720	125.785902	322.591677	18.777623	0.94789725	1.808365
02/07/1916	359.555002	1.48433432	0.36099258	126.076778	322.388000	18.796117	0.94850065	1.808415
02/14/1945	17.453303	1.48463723	0.36087403	126.371856	322.199586	18.810528	0.94887020	1.808969
02/22/1974	33.398054	1.48407675	0.36044299	126.651575	321.992099	18.829169	0.94915169	1.807945
03/02/2003	51.181559	1.48425916	0.36037470	126.882070	321.819411	18.837609	0.94936971	1.808278
03/09/2032	69.287838	1.48437660	0.36030614	127.163864	321.615627	18.854092	0.94954660	1.808493
03/17/2061	86.410565	1.48391521	0.35973539	127.389781	321.433512	18.866358	0.95009840	1.807650
03/25/2090	103.352657	1.48455643	0.35963098	127.630366	321.261563	18.873840	0.95066395	1.808821
04/03/2119	121.043666	1.48435981	0.35917746	127.918729	321.058163	18.892794	0.95121122	1.808462
04/10/2148	138.965693	1.48391938	0.35880891	128.150615	320.882777	18.904021	0.95147589	1.807657
04/18/2177	155.130917	1.48460465	0.35868846	128.459310	320.691869	18.919886	0.95209410	1.808909

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