Asteroid General Data

2021 YA

General information

Preliminary designation	2021 YA
Group	Apollo
Absolute magnitude	24.19
Approximate diameter (m)	39
Approximate mass (kg)	1.05·10⁸
Number of observations	73
Arc length (days)	18

Approaches

No approaches found

Orbit initial data

Date of initial data	09/17/2026
M – mean anomaly (degrees)	63.076173
a – orbit major semiaxis (astronomical units)	1.71162500
e – orbit eccentricity	0.50206500
ω – orbit ascending node-perihelion angle (degrees)	359.213522
Ω – longitude of orbit ascending node (degrees)	26.626883
i – orbit inclination to the ecliptic plane (degrees)	1.565952

Orbital evolution

Date	M	a	e	ω	Ω	i	q	P
01/13/1829	270.844413	1.71010565	0.50174748	354.675842	30.764587	1.648868	0.85206445	2.236326
01/21/1858	266.838047	1.70927196	0.50185995	355.044346	30.437848	1.637790	0.85145681	2.234690
01/29/1887	259.652208	1.71036005	0.50220860	355.767641	29.770244	1.635872	0.85140252	2.236825
02/07/1916	252.338930	1.70864466	0.50157415	356.517724	29.049110	1.611226	0.85163267	2.233460
02/14/1945	247.669216	1.70911492	0.50202151	356.741641	28.899301	1.603961	0.85110248	2.234382
02/22/1974	241.857836	1.70934259	0.50175082	357.565956	28.137911	1.601725	0.85167854	2.234829
03/02/2003	234.579235	1.70998192	0.50178402	357.972883	27.744502	1.596173	0.85194031	2.236083
03/09/2032	223.553319	1.71121189	0.50209365	359.264511	26.596135	1.562932	0.85202327	2.238496
03/17/2061	215.971617	1.70981519	0.50177564	0.282276	25.762789	1.565249	0.85187158	2.235756
03/25/2090	212.986127	1.70749646	0.50150176	1.295252	24.933777	1.565806	0.85118398	2.231209
04/03/2119	222.235538	1.70503098	0.50088754	2.049781	24.316367	1.557894	0.85100220	2.226379
04/10/2148	234.705331	1.70500719	0.50088105	2.302815	24.153296	1.546711	0.85100140	2.226332
04/18/2177	245.669655	1.70763137	0.50145458	2.997464	23.567156	1.534284	0.85133180	2.231474

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