Asteroid General Data

2021 PK₄

General information

Preliminary designation	2021 PK₄
Group	Apollo
Absolute magnitude	28.19
Approximate diameter (m)	6
Approximate mass (kg)	4.19·10⁵
Number of observations	15
Arc length (days)	2

Approaches

No approaches found

Orbit initial data

Date of initial data	09/17/2026
M – mean anomaly (degrees)	248.094710
a – orbit major semiaxis (astronomical units)	1.26786800
e – orbit eccentricity	0.36060300
ω – orbit ascending node-perihelion angle (degrees)	103.664720
Ω – longitude of orbit ascending node (degrees)	134.606309
i – orbit inclination to the ecliptic plane (degrees)	11.762856

Orbital evolution

Date	M	a	e	ω	Ω	i	q	P
01/13/1829	237.977597	1.27234280	0.36568546	101.475199	136.164132	11.214704	0.80706554	1.435181
01/21/1858	303.956178	1.27513134	0.36660225	101.937963	135.943610	11.215682	0.80766532	1.439902
01/29/1887	351.040410	1.27851512	0.36641072	102.653453	135.710712	11.302961	0.81005348	1.445638
02/07/1916	10.881127	1.27944667	0.36658859	102.928603	135.512152	11.303432	0.81041613	1.447218
02/14/1945	32.575955	1.27874526	0.36645023	103.215643	135.283251	11.306104	0.81014876	1.446028
02/22/1974	72.770848	1.27606556	0.36579336	103.317897	135.036362	11.313417	0.80928925	1.441485
03/02/2003	118.688072	1.27638208	0.36602971	103.582506	134.828285	11.316492	0.80918832	1.442021
03/09/2032	189.352634	1.26668296	0.36027443	103.621644	134.563708	11.768877	0.81032948	1.425616
03/17/2061	320.069322	1.26644510	0.36026164	103.872740	134.352633	11.775493	0.81019351	1.425214
03/25/2090	88.205773	1.26798381	0.36073744	104.248862	134.141243	11.766213	0.81057458	1.427812
04/03/2119	241.288459	1.26251891	0.35955775	104.031099	133.917864	11.779188	0.80857046	1.418592
04/10/2148	46.867436	1.26213450	0.35946231	104.252686	133.722948	11.781163	0.80844472	1.417944
04/18/2177	216.909915	1.25662587	0.35867300	103.815944	133.493653	11.768278	0.80590810	1.408671

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