Asteroid General Data

2021 YN

General information

Preliminary designation	2021 YN
Group	Apollo
Absolute magnitude	21.03
Approximate diameter (m)	170
Approximate mass (kg)	8.28·10⁹
Number of observations	174
Arc length (days)	755

Approaches

No approaches found

Orbit initial data

Date of initial data	09/17/2026
M – mean anomaly (degrees)	47.619628
a – orbit major semiaxis (astronomical units)	1.65025400
e – orbit eccentricity	0.69378400
ω – orbit ascending node-perihelion angle (degrees)	127.289101
Ω – longitude of orbit ascending node (degrees)	91.446272
i – orbit inclination to the ecliptic plane (degrees)	6.976256

Orbital evolution

Date	M	a	e	ω	Ω	i	q	P
01/13/1829	307.617401	1.64943404	0.69382472	123.070188	95.190366	6.794123	0.50501592	2.118376
01/21/1858	198.762186	1.65029496	0.69356417	123.741247	94.583878	6.812664	0.50570950	2.120035
01/29/1887	88.132990	1.64973558	0.69383797	124.352545	94.043131	6.842213	0.50508639	2.118957
02/07/1916	338.900111	1.64927981	0.69388297	124.826348	93.609954	6.866428	0.50487264	2.118079
02/14/1945	230.435996	1.64889468	0.69368859	125.626460	92.938025	6.896402	0.50507525	2.117337
02/22/1974	121.495782	1.64968026	0.69381365	126.130408	92.462662	6.915332	0.50510958	2.118850
03/02/2003	9.283137	1.65034576	0.69362796	126.864255	91.856137	6.956358	0.50561979	2.120133
03/09/2032	258.293230	1.64970379	0.69370039	127.352480	91.407291	6.977342	0.50530362	2.118896
03/17/2061	150.874587	1.64895747	0.69359168	128.062242	90.790638	7.014827	0.50525429	2.117458
03/25/2090	43.609910	1.64920815	0.69382347	128.543382	90.361339	7.038925	0.50494882	2.117941
04/03/2119	292.755858	1.65020527	0.69372869	129.281694	89.735876	7.075957	0.50541052	2.119862
04/10/2148	181.566511	1.65028360	0.69391384	129.742149	89.313461	7.101222	0.50512897	2.120013
04/18/2177	70.981798	1.64968453	0.69335898	130.163980	88.927625	7.125483	0.50586094	2.118859

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