Asteroid General Data

2015 BT₄

General information

Preliminary designation	2015 BT₄
Group	Apollo
Absolute magnitude	21.46
Approximate diameter (m)	140
Approximate mass (kg)	4.57·10⁹
Number of observations	65
Arc length (days)	532

Approaches

No approaches found

Orbit initial data

Date of initial data	09/17/2026
M – mean anomaly (degrees)	238.377221
a – orbit major semiaxis (astronomical units)	1.46370100
e – orbit eccentricity	0.63659900
ω – orbit ascending node-perihelion angle (degrees)	220.029241
Ω – longitude of orbit ascending node (degrees)	166.727657
i – orbit inclination to the ecliptic plane (degrees)	6.217201

Orbital evolution

Date	M	a	e	ω	Ω	i	q	P
01/13/1829	16.724406	1.46355399	0.63670996	217.683818	168.711641	6.228317	0.53169459	1.770573
01/21/1858	156.945852	1.46368911	0.63669801	217.993161	168.436690	6.229090	0.53176117	1.770818
01/29/1887	296.054295	1.46359214	0.63696238	218.312386	168.180660	6.225470	0.53133901	1.770642
02/07/1916	76.006311	1.46370760	0.63669084	218.712980	167.839226	6.227716	0.53177838	1.770851
02/14/1945	214.312304	1.46400969	0.63686518	219.013451	167.584902	6.223298	0.53163289	1.771400
02/22/1974	354.134082	1.46340073	0.63658064	219.387379	167.268952	6.219684	0.53182816	1.770294
03/02/2003	132.385053	1.46409600	0.63663368	219.766283	166.961080	6.219151	0.53200318	1.771556
03/09/2032	271.404467	1.46375374	0.63655872	220.112814	166.670432	6.213112	0.53198854	1.770935
03/17/2061	50.655165	1.46377968	0.63667538	220.495922	166.366871	6.214718	0.53182719	1.770982
03/25/2090	190.800376	1.46366607	0.63677277	220.842427	166.076240	6.211541	0.53164337	1.770776
04/03/2119	330.144766	1.46367532	0.63679654	221.164657	165.800590	6.207500	0.53161195	1.770793
04/10/2148	110.603811	1.46353731	0.63692896	221.541583	165.484053	6.214899	0.53136801	1.770542
04/18/2177	250.209560	1.46401012	0.63685316	221.929192	165.154793	6.209853	0.53165065	1.771400

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