Asteroid General Data

2021 PC

General information

Preliminary designation	2021 PC
Group	Apollo
Absolute magnitude	26.78
Approximate diameter (m)	12
Approximate mass (kg)	2.94·10⁶
Number of observations	36
Arc length (days)	1

Approaches

No approaches found

Orbit initial data

Date of initial data	09/17/2026
M – mean anomaly (degrees)	54.840655
a – orbit major semiaxis (astronomical units)	1.79303400
e – orbit eccentricity	0.44424200
ω – orbit ascending node-perihelion angle (degrees)	160.350158
Ω – longitude of orbit ascending node (degrees)	130.218124
i – orbit inclination to the ecliptic plane (degrees)	16.548624

Orbital evolution

Date	M	a	e	ω	Ω	i	q	P
01/13/1829	358.221671	1.82450567	0.45682300	155.682269	131.709378	15.825874	0.99102951	2.464441
01/21/1858	281.667813	1.82281024	0.45675848	155.992870	131.489829	15.863348	0.99022621	2.461007
01/29/1887	209.176154	1.82164771	0.45558181	156.394424	131.274999	15.901147	0.99173815	2.458653
02/07/1916	138.192700	1.82114907	0.45583742	156.674743	131.069472	15.928501	0.99100117	2.457643
02/14/1945	45.247983	1.82929389	0.45626341	158.226928	130.826112	16.064288	0.99465402	2.474149
02/22/1974	306.209379	1.83058314	0.45699526	158.510416	130.627299	16.088159	0.99401532	2.476765
03/02/2003	207.808212	1.82998684	0.45617855	158.899246	130.416304	16.127092	0.99518610	2.475555
03/09/2032	155.704861	1.79343714	0.44386122	160.367885	130.193788	16.545679	0.99739994	2.401761
03/17/2061	178.071778	1.79627134	0.44495853	160.802644	129.961497	16.574215	0.99700508	2.407457
03/25/2090	200.019667	1.79515666	0.44497622	161.180558	129.786250	16.607198	0.99635463	2.405216
04/03/2119	227.493817	1.79159936	0.44360619	161.472175	129.600962	16.647918	0.99683479	2.398071
04/10/2148	267.599990	1.78987437	0.44186718	161.813229	129.420822	16.673194	0.99898764	2.394608
04/18/2177	310.078561	1.79012208	0.44114408	162.066161	129.271807	16.683001	1.00042033	2.395105

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