Asteroid General Data

2018 PJ₂₁

General information

Preliminary designation	2018 PJ₂₁
Group	Amor
Absolute magnitude	24.93
Approximate diameter (m)	27
Approximate mass (kg)	3.78·10⁷
Number of observations	16
Arc length (days)	62

Approaches

No approaches found

Orbit initial data

Date of initial data	09/17/2026
M – mean anomaly (degrees)	160.811284
a – orbit major semiaxis (astronomical units)	2.21342900
e – orbit eccentricity	0.45598500
ω – orbit ascending node-perihelion angle (degrees)	183.220829
Ω – longitude of orbit ascending node (degrees)	151.695815
i – orbit inclination to the ecliptic plane (degrees)	7.801208

Orbital evolution

Date	M	a	e	ω	Ω	i	q	P
01/13/1829	335.909358	2.20117590	0.45301443	179.841346	153.266558	7.674431	1.20401145	3.265748
01/21/1858	294.957955	2.20164207	0.45239049	180.388458	153.075059	7.684960	1.20564012	3.266786
01/29/1887	254.623374	2.20209263	0.45283642	180.853303	152.836231	7.702875	1.20490490	3.267789
02/07/1916	213.834854	2.20116452	0.45298983	181.438044	152.613341	7.718267	1.20405938	3.265723
02/14/1945	173.847737	2.20168914	0.45358647	181.817971	152.385191	7.737259	1.20303273	3.266891
02/22/1974	133.024838	2.20093685	0.45418399	182.387993	152.141933	7.751420	1.20130657	3.265217
03/02/2003	92.726146	2.20134287	0.45386472	182.658868	151.923539	7.757554	1.20223100	3.266120
03/09/2032	51.674809	2.20053273	0.45453396	183.241683	151.669749	7.774767	1.20031587	3.264317
03/17/2061	10.842115	2.20121030	0.45295642	183.597513	151.474152	7.771300	1.20415796	3.265825
03/25/2090	330.526240	2.20085498	0.45381793	184.130259	151.208509	7.788564	1.20206754	3.265034
04/03/2119	289.804766	2.20143950	0.45277815	184.657397	151.022615	7.790209	1.20467579	3.266335
04/10/2148	249.596818	2.20174626	0.45346967	185.112690	150.791062	7.804239	1.20332112	3.267018
04/18/2177	208.710132	2.20156467	0.45340921	185.677822	150.578218	7.812074	1.20335497	3.266614

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