Asteroid General Data

2021 PA

General information

Preliminary designation	2021 PA
Group	Apollo
Absolute magnitude	24.90
Approximate diameter (m)	28
Approximate mass (kg)	3.94·10⁷
Number of observations	49
Arc length (days)	3

Approaches

No approaches found

Orbit initial data

Date of initial data	09/17/2026
M – mean anomaly (degrees)	82.266475
a – orbit major semiaxis (astronomical units)	1.77404900
e – orbit eccentricity	0.57517600
ω – orbit ascending node-perihelion angle (degrees)	277.803043
Ω – longitude of orbit ascending node (degrees)	315.378058
i – orbit inclination to the ecliptic plane (degrees)	1.695187

Orbital evolution

Date	M	a	e	ω	Ω	i	q	P
01/13/1829	89.069788	1.77574336	0.57134042	267.127991	324.509243	1.690682	0.76118940	2.366306
01/21/1858	190.750775	1.77452855	0.57089052	269.373043	322.722926	1.668261	0.76146703	2.363878
01/29/1887	296.974586	1.77141809	0.57171397	271.103540	321.242740	1.666915	0.75867362	2.357666
02/07/1916	54.099253	1.76904939	0.57218098	272.572981	319.976191	1.662909	0.75683298	2.352938
02/14/1945	174.737679	1.76624745	0.57420909	274.413873	318.382951	1.657213	0.75205211	2.347350
02/22/1974	305.912573	1.76646378	0.57504487	275.320171	317.533582	1.656008	0.75066785	2.347782
03/02/2003	76.582362	1.76581008	0.57499116	276.295552	316.605159	1.653537	0.75048489	2.346479
03/09/2032	196.506725	1.77425550	0.57537814	277.915913	315.286811	1.695119	0.75338767	2.363333
03/17/2061	300.108734	1.77332239	0.57292302	279.054046	314.215610	1.698232	0.75734518	2.361469
03/25/2090	46.831954	1.77390240	0.57185073	280.595638	312.829672	1.700200	0.75949501	2.362627
04/03/2119	146.647113	1.77523500	0.57012671	281.950265	311.727912	1.700640	0.76312610	2.365290
04/10/2148	244.918247	1.77377730	0.56852636	284.236872	309.784385	1.684199	0.76533815	2.362377
04/18/2177	347.696928	1.77244369	0.56725259	285.705671	308.560789	1.684601	0.76702041	2.359714

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