Asteroid General Data

2021 NP₁

General information

Preliminary designation	2021 NP₁
Group	Apollo
Absolute magnitude	21.50
Approximate diameter (m)	130
Approximate mass (kg)	4.32·10⁹
Number of observations	54
Arc length (days)	22

Approaches

No approaches found

Orbit initial data

Date of initial data	09/17/2026
M – mean anomaly (degrees)	343.704937
a – orbit major semiaxis (astronomical units)	1.95097400
e – orbit eccentricity	0.55533000
ω – orbit ascending node-perihelion angle (degrees)	342.098154
Ω – longitude of orbit ascending node (degrees)	235.245411
i – orbit inclination to the ecliptic plane (degrees)	8.166687

Orbital evolution

Date	M	a	e	ω	Ω	i	q	P
01/13/1829	147.118055	1.94894675	0.55582950	338.314275	237.779919	7.869099	0.86566465	2.720825
01/21/1858	22.384183	1.94910378	0.55630917	339.007169	237.332529	7.921105	0.86479948	2.721154
01/29/1887	258.298844	1.94987477	0.55560490	339.552632	236.984208	7.963865	0.86651479	2.722768
02/07/1916	132.863850	1.95314650	0.55450514	340.060508	236.607356	7.986488	0.87011672	2.729624
02/14/1945	6.108610	1.95166024	0.55426661	340.602604	236.252446	8.032896	0.86992013	2.726509
02/22/1974	240.418829	1.95053819	0.55477996	340.957674	235.949257	8.067431	0.86841869	2.724158
03/02/2003	114.230926	1.95120221	0.55422282	341.573395	235.558236	8.117073	0.86980143	2.725549
03/09/2032	347.046279	1.95084612	0.55534750	342.188745	235.204852	8.170821	0.86744861	2.724803
03/17/2061	219.935774	1.95043791	0.55549505	342.777037	234.816162	8.218992	0.86697931	2.723948
03/25/2090	94.032479	1.94965930	0.55503230	343.345021	234.481553	8.261217	0.86753541	2.722317
04/03/2119	329.572084	1.94945186	0.55499472	343.936554	234.112731	8.311643	0.86751637	2.721883
04/10/2148	206.474511	1.95043525	0.55349530	344.345120	233.835029	8.328599	0.87087850	2.723942
04/18/2177	83.997902	1.95074610	0.55364538	344.650862	233.563483	8.354953	0.87072453	2.724594

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