Asteroid General Data

2004 BY₂₁

General information

Preliminary designation	2004 BY₂₁
Group	Amor
Absolute magnitude	18.79
Approximate diameter (m)	460
Approximate mass (kg)	1.83·10¹¹
Number of observations	59
Arc length (days)	6954

Approaches

No approaches found

Orbit initial data

Date of initial data	09/17/2026
M – mean anomaly (degrees)	336.358596
a – orbit major semiaxis (astronomical units)	2.41853500
e – orbit eccentricity	0.47647000
ω – orbit ascending node-perihelion angle (degrees)	155.383385
Ω – longitude of orbit ascending node (degrees)	40.242345
i – orbit inclination to the ecliptic plane (degrees)	6.555435

Orbital evolution

Date	M	a	e	ω	Ω	i	q	P
01/13/1829	204.641797	2.42913127	0.46929764	149.556428	43.521668	6.381088	1.28914570	3.785969
01/21/1858	97.716507	2.41721504	0.47729475	150.102364	42.954968	6.425015	1.26349100	3.758145
01/29/1887	351.288823	2.42639440	0.47122094	150.142635	42.808646	6.399271	1.28302656	3.779573
02/07/1916	224.473254	2.42508178	0.47269813	152.701094	41.795056	6.480275	1.27875016	3.776506
02/14/1945	119.771492	2.41926946	0.47665402	152.778834	41.534498	6.493760	1.26611494	3.762937
02/22/1974	10.530135	2.42747930	0.47011949	152.843937	41.412756	6.465348	1.28627397	3.782108
03/02/2003	244.001518	2.42168699	0.47384747	155.456257	40.470033	6.545550	1.27417674	3.768579
03/09/2032	140.365347	2.41754179	0.47647836	155.448295	40.214351	6.555553	1.26563543	3.758907
03/17/2061	27.314850	2.43391095	0.46502539	156.314853	39.943732	6.517221	1.30208056	3.797149
03/25/2090	265.305171	2.42240600	0.47350101	158.099213	39.210529	6.594610	1.27539431	3.770258
04/03/2119	163.880165	2.41841723	0.47544571	158.049053	38.916588	6.602841	1.26859114	3.760949
04/10/2148	47.109723	2.43260020	0.46552131	159.055287	38.589541	6.562102	1.30017297	3.794082
04/18/2177	288.759618	2.41878461	0.47556094	160.743291	37.835839	6.638154	1.26850513	3.761806

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