Asteroid General Data

2021 PO

General information

Preliminary designation	2021 PO
Group	Apollo
Absolute magnitude	19.39
Approximate diameter (m)	350
Approximate mass (kg)	7.98·10¹⁰
Number of observations	155
Arc length (days)	2854

Approaches

No approaches found

Orbit initial data

Date of initial data	09/17/2026
M – mean anomaly (degrees)	2.103663
a – orbit major semiaxis (astronomical units)	1.81307400
e – orbit eccentricity	0.83613400
ω – orbit ascending node-perihelion angle (degrees)	145.325594
Ω – longitude of orbit ascending node (degrees)	309.403898
i – orbit inclination to the ecliptic plane (degrees)	8.974785

Orbital evolution

Date	M	a	e	ω	Ω	i	q	P
01/13/1829	3.354492	1.81104225	0.83896547	138.581050	315.501405	8.076802	0.29164035	2.437213
01/21/1858	325.893174	1.81308062	0.83715622	139.880911	314.320267	8.226885	0.29524890	2.441329
01/29/1887	283.582055	1.81355753	0.83693030	140.470607	313.766863	8.293907	0.29573629	2.442292
02/07/1916	244.803507	1.81124903	0.83816197	141.980471	312.407484	8.509954	0.29312897	2.437630
02/14/1945	207.727775	1.81292038	0.83650648	142.778850	311.704409	8.595109	0.29640074	2.441005
02/22/1974	165.637778	1.81243505	0.83702795	143.556453	310.977029	8.714214	0.29537626	2.440025
03/02/2003	127.868423	1.81116845	0.83771331	144.632853	310.009062	8.881758	0.29392852	2.437468
03/09/2032	89.466450	1.81316467	0.83643403	145.438992	309.298585	8.993836	0.29657203	2.441499
03/17/2061	46.106246	1.81316149	0.83635122	146.036462	308.735431	9.093013	0.29672166	2.441492
03/25/2090	7.351139	1.81183659	0.83713587	147.004036	307.865864	9.254813	0.29508319	2.438817
04/03/2119	325.678823	1.81401970	0.83508257	147.793888	307.191054	9.377008	0.29916347	2.443226
04/10/2148	282.443290	1.81296852	0.83534904	148.305014	306.719883	9.466682	0.29850701	2.441102
04/18/2177	244.505711	1.81173027	0.83580712	149.495215	305.694180	9.687187	0.29747320	2.438602

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