Asteroid General Data

2021 LY₄

General information

Preliminary designation	2021 LY₄
Group	Apollo
Absolute magnitude	26.08
Approximate diameter (m)	16
Approximate mass (kg)	7.73·10⁶
Number of observations	84
Arc length (days)	5

Approaches

No approaches found

Orbit initial data

Date of initial data	09/17/2026
M – mean anomaly (degrees)	225.904926
a – orbit major semiaxis (astronomical units)	2.16033700
e – orbit eccentricity	0.56703700
ω – orbit ascending node-perihelion angle (degrees)	212.003882
Ω – longitude of orbit ascending node (degrees)	92.521909
i – orbit inclination to the ecliptic plane (degrees)	1.554883

Orbital evolution

Date	M	a	e	ω	Ω	i	q	P
01/13/1829	99.393342	2.18113958	0.56818017	207.138148	95.187207	1.511569	0.94185933	3.221260
01/21/1858	97.096022	2.18449063	0.56905029	208.329352	94.419073	1.499733	0.94140560	3.228687
01/29/1887	93.693984	2.18536003	0.56920262	208.715215	94.282952	1.495038	0.94144737	3.230614
02/07/1916	88.957885	2.18286448	0.57203934	208.922032	94.202254	1.493224	0.93418012	3.225082
02/14/1945	91.009677	2.17904370	0.57113610	209.395210	94.049469	1.493358	0.93451317	3.216618
02/22/1974	97.725181	2.18144317	0.56861744	209.887791	93.834291	1.490435	0.94103654	3.221933
03/02/2003	104.138744	2.17870651	0.56961643	210.912880	93.041584	1.480202	0.93767949	3.215872
03/09/2032	127.449882	2.15875118	0.56752914	212.077477	92.503550	1.554574	0.93359699	3.171791
03/17/2061	178.890952	2.16035737	0.56622470	212.466142	92.172990	1.549260	0.93710967	3.175331
03/25/2090	231.218932	2.16014641	0.56540678	213.077813	91.976277	1.543855	0.93878498	3.174866
04/03/2119	296.050172	2.15206781	0.56594969	213.327889	91.853357	1.547254	0.93410569	3.157072
04/10/2148	359.536725	2.15686727	0.56462034	214.233642	91.313595	1.538380	0.93905614	3.167639
04/18/2177	55.362607	2.15783667	0.56767510	215.043020	90.929141	1.531149	0.93288653	3.169775

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