Asteroid General Data

2021 DA₁

General information

Preliminary designation	2021 DA₁
Group	Amor
Absolute magnitude	25.91
Approximate diameter (m)	17
Approximate mass (kg)	9.77·10⁶
Number of observations	20
Arc length (days)	13

Approaches

No approaches found

Orbit initial data

Date of initial data	09/17/2026
M – mean anomaly (degrees)	344.361079
a – orbit major semiaxis (astronomical units)	1.24405000
e – orbit eccentricity	0.15000200
ω – orbit ascending node-perihelion angle (degrees)	216.731916
Ω – longitude of orbit ascending node (degrees)	323.762707
i – orbit inclination to the ecliptic plane (degrees)	6.004072

Orbital evolution

Date	M	a	e	ω	Ω	i	q	P
01/13/1829	188.470668	1.24417149	0.14963583	213.486938	325.616064	6.070699	1.05799886	1.387781
01/21/1858	157.264687	1.24385606	0.14954498	213.803928	325.394933	6.066083	1.05784363	1.387253
01/29/1887	123.478554	1.24443797	0.15007445	214.478051	325.062294	6.050105	1.05767962	1.388227
02/07/1916	90.185358	1.24384216	0.14977727	214.890479	324.810595	6.043432	1.05754288	1.387230
02/14/1945	59.850119	1.24392661	0.14980593	215.141621	324.594584	6.038905	1.05757903	1.387371
02/22/1974	26.399708	1.24454552	0.15014362	215.709000	324.317914	6.026085	1.05768495	1.388407
03/02/2003	355.544828	1.24423964	0.14998321	216.242740	324.032887	6.017697	1.05762459	1.387895
03/09/2032	325.188385	1.24395516	0.14987747	216.742461	323.729370	6.003888	1.05751431	1.387419
03/17/2061	295.167257	1.24385150	0.14974839	217.066133	323.510911	5.999626	1.05758673	1.387246
03/25/2090	262.016393	1.24406287	0.14996974	217.826149	323.155893	5.984921	1.05749109	1.387599
04/03/2119	231.892957	1.24389557	0.15002384	218.076482	322.946393	5.976662	1.05728158	1.387320
04/10/2148	200.182570	1.24424561	0.15029898	218.532719	322.692529	5.968040	1.05723676	1.387905
04/18/2177	169.644746	1.24430920	0.15046151	219.068514	322.393119	5.958433	1.05708856	1.388012

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