Asteroid General Data

2018 PY₂₁

General information

Preliminary designation	2018 PY₂₁
Group	Amor
Absolute magnitude	23.45
Approximate diameter (m)	54
Approximate mass (kg)	2.92·10⁸
Number of observations	16
Arc length (days)	25

Approaches

No approaches found

Orbit initial data

Date of initial data	09/17/2026
M – mean anomaly (degrees)	180.975374
a – orbit major semiaxis (astronomical units)	2.20086200
e – orbit eccentricity	0.42430700
ω – orbit ascending node-perihelion angle (degrees)	154.602234
Ω – longitude of orbit ascending node (degrees)	150.648991
i – orbit inclination to the ecliptic plane (degrees)	6.853543

Orbital evolution

Date	M	a	e	ω	Ω	i	q	P
01/13/1829	318.397510	2.19723304	0.42489694	150.561434	152.994949	6.665145	1.26363544	3.256978
01/21/1858	285.447496	2.19730076	0.42412624	150.835007	152.749069	6.678492	1.26536785	3.257128
01/29/1887	249.089152	2.19762631	0.42527129	151.682333	152.303511	6.715424	1.26303893	3.257852
02/07/1916	212.740506	2.19987322	0.42371411	152.181055	152.045694	6.734381	1.26775589	3.262850
02/14/1945	175.905901	2.19835529	0.42471083	152.831000	151.648394	6.769670	1.26468999	3.259473
02/22/1974	139.092784	2.19994240	0.42395929	153.503904	151.318021	6.797897	1.26725639	3.263004
03/02/2003	102.221818	2.19864871	0.42523500	154.045004	150.962919	6.829978	1.26370632	3.260126
03/09/2032	65.129802	2.19925085	0.42464581	154.763380	150.611560	6.862166	1.26534818	3.261465
03/17/2061	28.643279	2.19851124	0.42543602	155.090473	150.314958	6.882741	1.26318536	3.259820
03/25/2090	351.102351	2.19831601	0.42555133	155.849903	149.933965	6.920283	1.26281970	3.259386
04/03/2119	315.029336	2.19913172	0.42443392	156.148846	149.709671	6.932249	1.26574563	3.261200
04/10/2148	278.134019	2.19850778	0.42539784	156.845206	149.331097	6.970053	1.26326731	3.259813
04/18/2177	242.072511	2.19934911	0.42375895	157.394108	149.075539	6.986096	1.26735525	3.261684

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