Asteroid General Data

2021 JB₄

General information

Preliminary designation	2021 JB₄
Group	Amor
Absolute magnitude	23.31
Approximate diameter (m)	58
Approximate mass (kg)	3.55·10⁸
Number of observations	43
Arc length (days)	32

Approaches

No approaches found

Orbit initial data

Date of initial data	09/17/2026
M – mean anomaly (degrees)	248.066949
a – orbit major semiaxis (astronomical units)	2.12144100
e – orbit eccentricity	0.51809700
ω – orbit ascending node-perihelion angle (degrees)	157.770354
Ω – longitude of orbit ascending node (degrees)	130.549491
i – orbit inclination to the ecliptic plane (degrees)	4.706709

Orbital evolution

Date	M	a	e	ω	Ω	i	q	P
01/13/1829	251.614461	2.11786896	0.51392767	153.407351	133.081331	4.509090	1.02943750	3.082118
01/21/1858	41.510314	2.11954706	0.51547342	153.677547	132.817741	4.522203	1.02697689	3.085782
01/29/1887	189.742128	2.11830771	0.51665075	154.828126	132.296171	4.572191	1.02388245	3.083076
02/07/1916	328.850908	2.12341931	0.51493980	155.101963	132.096514	4.575994	1.02998620	3.094242
02/14/1945	108.039186	2.12019612	0.51907493	155.901003	131.605087	4.618175	1.01965548	3.087199
02/22/1974	245.845901	2.12490897	0.51652534	156.498252	131.361702	4.636032	1.02733963	3.097499
03/02/2003	22.884090	2.12000744	0.51813755	156.947413	130.919281	4.669998	1.02155199	3.086787
03/09/2032	166.903996	2.12006801	0.51834809	157.832650	130.522035	4.707619	1.02113482	3.086919
03/17/2061	308.499512	2.12123329	0.51669506	158.108802	130.319681	4.717591	1.02520254	3.089465
03/25/2090	90.428315	2.11952844	0.51916980	158.639128	129.962290	4.747443	1.01913328	3.085741
04/03/2119	222.466271	2.12545194	0.51842323	159.455002	129.661037	4.772732	1.02356828	3.098686
04/10/2148	346.172539	2.12791000	0.51945240	159.862482	129.333727	4.806613	1.02256205	3.104063
04/18/2177	113.322266	2.12664928	0.52000021	160.780329	128.959685	4.842690	1.02079120	3.101305

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