Asteroid General Data

2021 JD₄

General information

Preliminary designation	2021 JD₄
Group	Amor
Absolute magnitude	23.39
Approximate diameter (m)	56
Approximate mass (kg)	3.18·10⁸
Number of observations	37
Arc length (days)	14

Approaches

No approaches found

Orbit initial data

Date of initial data	09/17/2026
M – mean anomaly (degrees)	137.558476
a – orbit major semiaxis (astronomical units)	1.71512900
e – orbit eccentricity	0.32979200
ω – orbit ascending node-perihelion angle (degrees)	8.341936
Ω – longitude of orbit ascending node (degrees)	224.021801
i – orbit inclination to the ecliptic plane (degrees)	21.088887

Orbital evolution

Date	M	a	e	ω	Ω	i	q	P
01/13/1829	127.582118	1.71441776	0.32903362	6.077729	225.082522	21.089576	1.15031668	2.244789
01/21/1858	101.620257	1.71447301	0.32941503	6.316011	224.929344	21.098010	1.14969984	2.244898
01/29/1887	73.476105	1.71521265	0.32968500	6.714593	224.771732	21.094919	1.14973276	2.246351
02/07/1916	44.448932	1.71479616	0.32918100	7.036953	224.618919	21.087963	1.15031784	2.245533
02/14/1945	17.815561	1.71436123	0.32919654	7.379818	224.454772	21.090424	1.14999945	2.244678
02/22/1974	351.660424	1.71444603	0.32934736	7.690610	224.320643	21.092517	1.14979776	2.244845
03/02/2003	324.411223	1.71497201	0.32960690	8.037420	224.155370	21.090928	1.14970541	2.245878
03/09/2032	295.121824	1.71500183	0.32966516	8.391633	224.002843	21.088644	1.14962549	2.245937
03/17/2061	267.932312	1.71465090	0.32960999	8.717773	223.841629	21.090087	1.14948483	2.245247
03/25/2090	241.804606	1.71448136	0.32980551	9.032258	223.702218	21.091910	1.14903596	2.244914
04/03/2119	215.090153	1.71516110	0.32982440	9.353435	223.545153	21.089998	1.14945912	2.246249
04/10/2148	186.065147	1.71536146	0.33040145	9.664852	223.381509	21.090405	1.14860355	2.246643
04/18/2177	158.068437	1.71462268	0.33019292	10.047583	223.222674	21.092410	1.14846642	2.245192

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