Asteroid General Data

2021 YW

General information

Preliminary designation	2021 YW
Group	Apollo
Absolute magnitude	25.02
Approximate diameter (m)	26
Approximate mass (kg)	3.34·10⁷
Number of observations	29
Arc length (days)	12

Approaches

No approaches found

Orbit initial data

Date of initial data	09/17/2026
M – mean anomaly (degrees)	183.309641
a – orbit major semiaxis (astronomical units)	1.24306500
e – orbit eccentricity	0.73126300
ω – orbit ascending node-perihelion angle (degrees)	234.465259
Ω – longitude of orbit ascending node (degrees)	92.330124
i – orbit inclination to the ecliptic plane (degrees)	6.560904

Orbital evolution

Date	M	a	e	ω	Ω	i	q	P
01/13/1829	147.443429	1.24612242	0.73095759	231.993282	94.745899	6.606640	0.33525978	1.391047
01/21/1858	96.553987	1.24640443	0.73102079	232.377704	94.411287	6.599133	0.33525687	1.391519
01/29/1887	42.987852	1.24649155	0.73104042	232.811200	94.014066	6.585042	0.33525584	1.391665
02/07/1916	351.137954	1.24631553	0.73114296	233.169066	93.690307	6.574120	0.33508071	1.391370
02/14/1945	300.029522	1.24613881	0.73122538	233.555423	93.318502	6.561010	0.33493048	1.391074
02/22/1974	251.255298	1.24589908	0.73124906	233.929876	92.950378	6.551615	0.33483655	1.390673
03/02/2003	203.642624	1.24599235	0.73131146	234.307203	92.602251	6.539380	0.33478386	1.390829
03/09/2032	165.711755	1.24300933	0.73118567	234.553244	92.242865	6.558739	0.33413872	1.385837
03/17/2061	146.380782	1.24307923	0.73113197	234.962171	91.854034	6.565539	0.33422426	1.385954
03/25/2090	122.071872	1.24337384	0.73112676	235.401955	91.462245	6.548802	0.33430995	1.386447
04/03/2119	67.956185	1.24839739	0.73111578	236.001357	91.116407	6.529302	0.33567436	1.394858
04/10/2148	0.237603	1.24809517	0.73111345	236.427746	90.739298	6.509704	0.33559600	1.394351
04/18/2177	299.102244	1.24739001	0.73126009	236.770086	90.362011	6.496148	0.33522348	1.393170

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