Asteroid General Data

1998 PB₁ (31346)

General information

Preliminary designation	1998 PB₁
Number	31346
Group	Amor
Absolute magnitude	17.16
Approximate diameter (m)	980
Approximate mass (kg)	1.74·10¹²
Number of observations	1068
Arc length (days)	10040

Approaches

No approaches found

Orbit initial data

Date of initial data	09/17/2026
M – mean anomaly (degrees)	266.323474
a – orbit major semiaxis (astronomical units)	2.03072400
e – orbit eccentricity	0.42976200
ω – orbit ascending node-perihelion angle (degrees)	350.777971
Ω – longitude of orbit ascending node (degrees)	299.674714
i – orbit inclination to the ecliptic plane (degrees)	5.965930

Orbital evolution

Date	M	a	e	ω	Ω	i	q	P
01/13/1829	107.817918	2.02870679	0.43005817	347.423664	301.596952	5.942353	1.15624487	2.889545
01/21/1858	125.928082	2.02690599	0.43188630	347.910177	301.230669	5.959890	1.15151307	2.885699
01/29/1887	146.936576	2.02706606	0.43046768	348.162317	300.981633	5.950479	1.15447964	2.886041
02/07/1916	163.957455	2.02817337	0.42921445	348.682056	300.780455	5.946496	1.15765206	2.888406
02/14/1945	178.981247	2.02746695	0.43138526	349.495162	300.443501	5.972703	1.15284759	2.886897
02/22/1974	197.750002	2.02799951	0.43240014	349.825771	300.127595	5.978981	1.15109223	2.888035
03/02/2003	215.537618	2.02992635	0.43061645	350.146864	299.868010	5.969055	1.15580667	2.892151
03/09/2032	227.797227	2.03020049	0.42995911	350.814601	299.632090	5.967037	1.15729730	2.892737
03/17/2061	239.924966	2.02834102	0.43244948	351.540953	299.287999	5.994093	1.15118599	2.888764
03/25/2090	257.536324	2.02721689	0.43275081	351.787552	298.990310	5.995023	1.14993713	2.886363
04/03/2119	275.511291	2.02788884	0.43116683	352.057910	298.762980	5.983504	1.15353044	2.887798
04/10/2148	289.664444	2.02892787	0.43018362	352.849177	298.525568	5.983215	1.15611634	2.890018
04/18/2177	306.159235	2.02783576	0.43159475	353.401052	298.238952	5.998822	1.15263250	2.887685

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