Asteroid General Data

2021 PJ₁

General information

Preliminary designation	2021 PJ₁
Group	Apollo
Absolute magnitude	25.75
Approximate diameter (m)	19
Approximate mass (kg)	1.22·10⁷
Number of observations	89
Arc length (days)	1469

Approaches

No approaches found

Orbit initial data

Date of initial data	09/17/2026
M – mean anomaly (degrees)	249.171026
a – orbit major semiaxis (astronomical units)	1.21491400
e – orbit eccentricity	0.34363200
ω – orbit ascending node-perihelion angle (degrees)	178.020691
Ω – longitude of orbit ascending node (degrees)	223.793459
i – orbit inclination to the ecliptic plane (degrees)	0.373141

Orbital evolution

Date	M	a	e	ω	Ω	i	q	P
01/13/1829	49.236030	1.21840428	0.34549259	140.305557	263.128928	0.416488	0.79745463	1.344893
01/21/1858	260.353953	1.21795769	0.34534996	141.257621	262.143177	0.417615	0.79733605	1.344154
01/29/1887	122.495931	1.21736020	0.34508447	143.076617	260.381886	0.419938	0.79726811	1.343165
02/07/1916	340.894001	1.21733976	0.34521253	144.465564	259.046199	0.421813	0.79709881	1.343131
02/14/1945	198.200132	1.21739620	0.34517907	145.315473	258.160037	0.420421	0.79717651	1.343224
02/22/1974	80.431950	1.21408301	0.34430252	154.957814	248.742853	0.400052	0.79607117	1.337745
03/02/2003	352.022778	1.20785919	0.34269506	160.327804	242.502547	0.371170	0.79393181	1.327471
03/09/2032	282.880935	1.21386414	0.34364589	171.675670	230.336037	0.373684	0.79672472	1.337383
03/17/2061	174.664140	1.21297704	0.34348995	172.309006	229.411586	0.375565	0.79633162	1.335917
03/25/2090	113.599195	1.20878807	0.34240487	176.052413	225.098194	0.371957	0.79489315	1.329003
04/03/2119	21.671060	1.21424385	0.34368064	179.896150	220.605801	0.379496	0.79693175	1.338010
04/10/2148	286.888511	1.20908186	0.34252071	184.917366	214.878552	0.377548	0.79494628	1.329487
04/18/2177	226.515372	1.20936295	0.34237233	185.544961	214.019400	0.382822	0.79531054	1.329951

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