Asteroid General Data

2021 PK

General information

Preliminary designation	2021 PK
Group	Apollo
Absolute magnitude	26.41
Approximate diameter (m)	14
Approximate mass (kg)	4.90·10⁶
Number of observations	22
Arc length (days)	9

Approaches

No approaches found

Orbit initial data

Date of initial data	09/17/2026
M – mean anomaly (degrees)	286.979192
a – orbit major semiaxis (astronomical units)	2.03880100
e – orbit eccentricity	0.53863800
ω – orbit ascending node-perihelion angle (degrees)	133.477555
Ω – longitude of orbit ascending node (degrees)	129.628014
i – orbit inclination to the ecliptic plane (degrees)	6.419455

Orbital evolution

Date	M	a	e	ω	Ω	i	q	P
01/13/1829	236.500234	2.03420544	0.53921986	128.772132	133.196441	6.192253	0.93732147	2.901301
01/21/1858	240.744970	2.03135832	0.54186870	129.187959	132.713159	6.212259	0.93062884	2.895212
01/29/1887	245.915886	2.03363273	0.53921614	129.471180	132.422912	6.226839	0.93706513	2.900076
02/07/1916	243.479948	2.03624457	0.53592897	130.242248	131.936950	6.257492	0.94496211	2.905665
02/14/1945	234.880220	2.03597110	0.53715408	131.992074	130.893663	6.331204	0.94234092	2.905080
02/22/1974	234.329206	2.03268270	0.53999112	132.725995	130.305052	6.369876	0.93505209	2.898044
03/02/2003	243.163752	2.03167723	0.54090847	133.011933	129.903298	6.387523	0.93272580	2.895894
03/09/2032	244.341720	2.03836355	0.53893711	133.541281	129.590247	6.421684	0.93981380	2.910202
03/17/2061	228.231903	2.04307836	0.53562667	134.840716	128.818470	6.481463	0.94875110	2.920305
03/25/2090	208.904182	2.04073949	0.53778775	136.050870	128.109452	6.543141	0.94325479	2.915291
04/03/2119	197.988678	2.03656654	0.54192025	136.912630	127.408735	6.592548	0.93290989	2.906354
04/10/2148	196.216819	2.03489728	0.54261208	137.087620	127.109113	6.611080	0.93073744	2.902782
04/18/2177	188.432415	2.03810523	0.54121767	137.370737	126.875767	6.620927	0.93504666	2.909648

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