Asteroid General Data

2018 PL₂₁

General information

Preliminary designation	2018 PL₂₁
Group	Apollo
Absolute magnitude	23.36
Approximate diameter (m)	57
Approximate mass (kg)	3.31·10⁸
Number of observations	18
Arc length (days)	6

Approaches

No approaches found

Orbit initial data

Date of initial data	09/17/2026
M – mean anomaly (degrees)	177.014281
a – orbit major semiaxis (astronomical units)	1.72224000
e – orbit eccentricity	0.46509100
ω – orbit ascending node-perihelion angle (degrees)	84.495308
Ω – longitude of orbit ascending node (degrees)	317.739685
i – orbit inclination to the ecliptic plane (degrees)	23.954821

Orbital evolution

Date	M	a	e	ω	Ω	i	q	P
01/13/1829	255.646573	1.73171300	0.46713821	82.383907	319.884348	24.132624	0.92276368	2.278843
01/21/1858	161.099053	1.73145498	0.46733229	82.650526	319.597026	24.121730	0.92229017	2.278334
01/29/1887	66.486203	1.73152483	0.46749866	82.892897	319.308535	24.112321	0.92203929	2.278472
02/07/1916	331.755533	1.73145112	0.46762490	83.236924	318.959563	24.102200	0.92178147	2.278327
02/14/1945	237.012065	1.73127921	0.46764517	83.512602	318.660096	24.092468	0.92165485	2.277987
02/22/1974	141.928512	1.73161680	0.46757956	83.846882	318.312210	24.081703	0.92194818	2.278654
03/02/2003	47.220189	1.73180420	0.46759461	84.157766	318.010987	24.072858	0.92202189	2.279023
03/09/2032	312.298663	1.73177152	0.46765615	84.471657	317.660396	24.060545	0.92189792	2.278959
03/17/2061	217.405921	1.73168284	0.46781058	84.767213	317.362099	24.052141	0.92158328	2.278784
03/25/2090	122.561641	1.73148379	0.46824478	85.060316	317.045604	24.040692	0.92072554	2.278391
04/03/2119	27.457644	1.73131160	0.46808888	85.366143	316.719369	24.038049	0.92090390	2.278051
04/10/2148	292.688749	1.73135879	0.46837066	85.671094	316.397683	24.026028	0.92044113	2.278144
04/18/2177	197.893726	1.73153516	0.46806566	85.961366	316.077961	24.021011	0.92106302	2.278492

Detailed table...

3D animation...

Calculation on the date...

Return to search