Asteroid General Data

2021 PH₁

General information

Preliminary designation	2021 PH₁
Group	Amor
Absolute magnitude	20.86
Approximate diameter (m)	180
Approximate mass (kg)	1.05·10¹⁰
Number of observations	35
Arc length (days)	45

Approaches

No approaches found

Orbit initial data

Date of initial data	09/17/2026
M – mean anomaly (degrees)	204.891654
a – orbit major semiaxis (astronomical units)	2.18930200
e – orbit eccentricity	0.45057500
ω – orbit ascending node-perihelion angle (degrees)	20.948579
Ω – longitude of orbit ascending node (degrees)	286.066956
i – orbit inclination to the ecliptic plane (degrees)	12.989437

Orbital evolution

Date	M	a	e	ω	Ω	i	q	P
01/13/1829	174.367885	2.18787018	0.44721629	17.185145	288.100957	13.201861	1.20941899	3.236182
01/21/1858	163.275119	2.18680281	0.44916486	17.723473	287.845222	13.190931	1.20456783	3.233814
01/29/1887	151.397639	2.18693694	0.44925350	18.376639	287.520757	13.149121	1.20444787	3.234112
02/07/1916	140.497167	2.18704900	0.44953419	18.647712	287.253422	13.134145	1.20389570	3.234360
02/14/1945	128.532635	2.18635553	0.45015623	19.286577	286.933055	13.098870	1.20215396	3.232822
02/22/1974	117.081675	2.18847337	0.44922139	19.904636	286.612348	13.043211	1.20536432	3.237520
03/02/2003	105.897998	2.18703207	0.45062051	20.413313	286.339365	13.026025	1.20151056	3.234323
03/09/2032	94.041313	2.18779418	0.45118953	21.080721	285.994299	12.982730	1.20068435	3.236013
03/17/2061	82.899074	2.18796556	0.45071632	21.425578	285.700734	12.960605	1.20181378	3.236394
03/25/2090	71.140314	2.18778869	0.45156525	22.043455	285.338192	12.918774	1.19985935	3.236001
04/03/2119	58.909368	2.18898299	0.45067517	22.753155	285.008796	12.860972	1.20246271	3.238651
04/10/2148	47.494648	2.18889523	0.45114995	23.367097	284.639699	12.815253	1.20137527	3.238457
04/18/2177	35.333656	2.18744743	0.45301479	23.961668	284.369940	12.792567	1.19650139	3.235244

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