Asteroid General Data

2021 JR₅₇

General information

Preliminary designation	2021 JR₅₇
Group	Apollo
Absolute magnitude	24.53
Approximate diameter (m)	33
Approximate mass (kg)	6.58·10⁷
Number of observations	8
Arc length (days)	1

Approaches

No approaches found

Orbit initial data

Date of initial data	09/17/2026
M – mean anomaly (degrees)	20.859953
a – orbit major semiaxis (astronomical units)	1.87023900
e – orbit eccentricity	0.49569700
ω – orbit ascending node-perihelion angle (degrees)	210.940318
Ω – longitude of orbit ascending node (degrees)	58.885688
i – orbit inclination to the ecliptic plane (degrees)	15.219411

Orbital evolution

Date	M	a	e	ω	Ω	i	q	P
01/13/1829	270.650491	1.72125624	0.44840032	208.670500	60.394753	14.206047	0.94944438	2.258234
01/21/1858	218.166036	1.71860495	0.44848510	208.995932	60.205197	14.202079	0.94783623	2.253018
01/29/1887	168.228609	1.72096425	0.44871436	209.333219	59.952928	14.158527	0.94874288	2.257659
02/07/1916	115.244482	1.72079554	0.44901176	209.592538	59.771325	14.140163	0.94813810	2.257327
02/14/1945	65.962385	1.72027147	0.44901240	209.939871	59.531072	14.113846	0.94784825	2.256296
02/22/1974	14.355101	1.72101810	0.44921829	210.261942	59.319743	14.084140	0.94790529	2.257765
03/02/2003	322.256370	1.72064457	0.44937474	210.608898	59.102404	14.055387	0.94743036	2.257030
03/09/2032	279.371195	1.71425512	0.44786886	211.008645	58.879008	14.076552	0.94649364	2.244470
03/17/2061	255.802504	1.71372963	0.44782892	211.386126	58.662870	14.046782	0.94627193	2.243438
03/25/2090	233.250723	1.71388312	0.44814128	211.647483	58.464156	14.027141	0.94582134	2.243739
04/03/2119	206.852057	1.71496926	0.44908913	211.969180	58.236900	13.995608	0.94479520	2.245873
04/10/2148	180.208668	1.71384468	0.44818690	212.256996	57.974682	13.996255	0.94572194	2.243664
04/18/2177	157.386844	1.71347098	0.44849025	212.520661	57.789647	13.977069	0.94499596	2.242930

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