Asteroid General Data

2021 RU₁₆

General information

Preliminary designation	2021 RU₁₆
Group	Apollo
Absolute magnitude	21.89
Approximate diameter (m)	110
Approximate mass (kg)	2.52·10⁹
Number of observations	39
Arc length (days)	169

Approaches

No approaches found

Orbit initial data

Date of initial data	09/17/2026
M – mean anomaly (degrees)	209.263868
a – orbit major semiaxis (astronomical units)	1.52859500
e – orbit eccentricity	0.33712900
ω – orbit ascending node-perihelion angle (degrees)	255.064219
Ω – longitude of orbit ascending node (degrees)	156.085135
i – orbit inclination to the ecliptic plane (degrees)	13.635188

Orbital evolution

Date	M	a	e	ω	Ω	i	q	P
01/13/1829	281.214997	1.53624086	0.33989001	252.986420	157.597431	13.738902	1.01408793	1.904099
01/21/1858	6.717819	1.53651044	0.34002151	253.238536	157.400936	13.737474	1.01406384	1.904600
01/29/1887	92.612430	1.53654791	0.34000027	253.513163	157.198368	13.734467	1.01412121	1.904670
02/07/1916	177.912187	1.53641126	0.33995116	253.837410	156.980847	13.731625	1.01410648	1.904416
02/14/1945	262.812079	1.53631986	0.34005309	254.118961	156.769916	13.731107	1.01388955	1.904246
02/22/1974	347.873718	1.53658079	0.34010525	254.438125	156.528880	13.724149	1.01398159	1.904731
03/02/2003	72.597093	1.53675113	0.34027469	254.759611	156.319739	13.720757	1.01383361	1.905048
03/09/2032	157.060901	1.53645557	0.34045537	255.062845	156.110936	13.716854	1.01336102	1.904498
03/17/2061	241.187534	1.53705978	0.34049305	255.341231	155.903311	13.714282	1.01370160	1.905622
03/25/2090	325.403732	1.53673853	0.34071507	255.686459	155.678149	13.712531	1.01314856	1.905025
04/03/2119	49.849604	1.53647513	0.34066468	255.914434	155.473225	13.711761	1.01305233	1.904535
04/10/2148	133.821993	1.53673189	0.34062517	256.229377	155.260738	13.704921	1.01328233	1.905012
04/18/2177	218.258120	1.53668518	0.34074511	256.538598	155.040578	13.704307	1.01306722	1.904925

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