Asteroid General Data

2021 OK

General information

Preliminary designation	2021 OK
Group	Amor
Absolute magnitude	23.39
Approximate diameter (m)	56
Approximate mass (kg)	3.18·10⁸
Number of observations	17
Arc length (days)	3

Approaches

No approaches found

Orbit initial data

Date of initial data	09/17/2026
M – mean anomaly (degrees)	21.590056
a – orbit major semiaxis (astronomical units)	1.41799600
e – orbit eccentricity	0.22559100
ω – orbit ascending node-perihelion angle (degrees)	187.900552
Ω – longitude of orbit ascending node (degrees)	108.420262
i – orbit inclination to the ecliptic plane (degrees)	22.130349

Orbital evolution

Date	M	a	e	ω	Ω	i	q	P
01/13/1829	2.340058	1.41810971	0.22522007	186.205013	109.212186	22.132747	1.09872294	1.688750
01/21/1858	69.448958	1.41801167	0.22505143	186.465389	109.098053	22.131086	1.09888612	1.688575
01/29/1887	136.222434	1.41813346	0.22530293	186.721719	108.979002	22.130470	1.09862384	1.688792
02/07/1916	202.278904	1.41821213	0.22533747	186.915220	108.870615	22.130389	1.09863579	1.688933
02/14/1945	269.526753	1.41791526	0.22517018	187.172992	108.752047	22.129983	1.09864303	1.688403
02/22/1974	336.486082	1.41816077	0.22552160	187.457244	108.632183	22.129957	1.09833488	1.688841
03/02/2003	42.352429	1.41809550	0.22560325	187.675386	108.516271	22.131481	1.09816855	1.688725
03/09/2032	109.010716	1.41804109	0.22549491	187.907177	108.398326	22.129308	1.09828004	1.688627
03/17/2061	175.671338	1.41836646	0.22568457	188.147492	108.280912	22.129092	1.09826303	1.689209
03/25/2090	241.362601	1.41824814	0.22574273	188.365331	108.166765	22.126938	1.09808893	1.688997
04/03/2119	308.318164	1.41798675	0.22561814	188.574558	108.050317	22.125546	1.09806321	1.688530
04/10/2148	14.591626	1.41796915	0.22559105	188.868363	107.929610	22.123878	1.09808799	1.688499
04/18/2177	80.271570	1.41789729	0.22566530	189.118533	107.816522	22.123288	1.09792706	1.688371

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