Asteroid General Data

2018 PT₂₁

General information

Preliminary designation	2018 PT₂₁
Group	Amor
Absolute magnitude	18.96
Approximate diameter (m)	430
Approximate mass (kg)	1.45·10¹¹
Number of observations	50
Arc length (days)	8586

Approaches

No approaches found

Orbit initial data

Date of initial data	09/17/2026
M – mean anomaly (degrees)	251.330916
a – orbit major semiaxis (astronomical units)	2.73601600
e – orbit eccentricity	0.56021300
ω – orbit ascending node-perihelion angle (degrees)	74.100929
Ω – longitude of orbit ascending node (degrees)	338.894026
i – orbit inclination to the ecliptic plane (degrees)	15.650732

Orbital evolution

Date	M	a	e	ω	Ω	i	q	P
01/13/1829	358.957841	2.73653891	0.55502945	63.910485	348.789657	16.529110	1.21767922	4.526922
01/21/1858	148.941815	2.73654802	0.55677290	65.794935	347.068925	16.320403	1.21291223	4.526945
01/29/1887	299.030888	2.73626396	0.55596303	67.620553	345.359978	16.164897	1.21500237	4.526240
02/07/1916	89.307449	2.73897109	0.55663003	68.775804	344.149089	16.048938	1.21437753	4.532959
02/14/1945	237.692449	2.73117037	0.56044671	70.938060	342.229073	15.888295	1.20049493	4.513608
02/22/1974	29.008961	2.73966447	0.55695060	72.671842	340.490669	15.756133	1.21380670	4.534680
03/02/2003	177.284623	2.72947749	0.56255691	73.714497	339.471414	15.689747	1.19399106	4.509412
03/09/2032	325.394657	2.73506690	0.56092989	76.333374	336.998657	15.531788	1.20088612	4.523270
03/17/2061	117.130273	2.72956421	0.56380263	76.703357	336.476128	15.509529	1.19062874	4.509627
03/25/2090	262.956961	2.73420700	0.56293278	79.089135	334.162365	15.378036	1.19503225	4.521137
04/03/2119	55.036899	2.73305122	0.56277275	79.580705	333.542820	15.375327	1.19496447	4.518271
04/10/2148	202.679713	2.73455697	0.56257717	82.172627	331.093744	15.268649	1.19615764	4.522005
04/18/2177	352.312214	2.73768505	0.55983197	83.404582	329.829095	15.257147	1.20504144	4.529767

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