Asteroid General Data

2017 BL₃₁

General information

Preliminary designation	2017 BL₃₁
Group	Apollo
Absolute magnitude	18.99
Approximate diameter (m)	420
Approximate mass (kg)	1.39·10¹¹
Number of observations	112
Arc length (days)	2892

Approaches

No approaches found

Orbit initial data

Date of initial data	09/17/2026
M – mean anomaly (degrees)	149.699320
a – orbit major semiaxis (astronomical units)	2.46215800
e – orbit eccentricity	0.85125900
ω – orbit ascending node-perihelion angle (degrees)	132.260869
Ω – longitude of orbit ascending node (degrees)	103.094188
i – orbit inclination to the ecliptic plane (degrees)	24.789351

Orbital evolution

Date	M	a	e	ω	Ω	i	q	P
01/13/1829	337.358493	2.51916902	0.84384377	120.163318	115.709433	20.704216	0.39338393	3.998403
01/21/1858	53.944587	2.53811778	0.83793366	122.023126	113.798193	20.929123	0.41134346	4.043601
01/29/1887	110.197491	2.54634787	0.83481624	122.720652	113.082527	21.022862	0.42061533	4.063284
02/07/1916	165.169390	2.54068447	0.83541378	123.226978	112.560887	21.161870	0.41816167	4.049736
02/14/1945	237.981308	2.52025894	0.84033284	125.174928	110.592611	21.832786	0.40240259	4.000998
02/22/1974	344.464109	2.50168911	0.84357993	127.903918	107.714391	22.831506	0.39131438	3.956859
03/02/2003	125.811255	2.47496352	0.84856854	131.217425	104.165733	24.280128	0.37478733	3.893622
03/09/2032	299.747529	2.46302788	0.85136506	132.386012	102.977888	24.830902	0.36609201	3.865490
03/17/2061	129.903661	2.45767059	0.85190063	132.850000	102.526719	25.049753	0.36397947	3.852886
03/25/2090	316.351641	2.46538006	0.84938485	133.315445	102.040851	25.172229	0.37132360	3.871029
04/03/2119	121.456884	2.48364526	0.84337462	134.764020	100.564966	25.509166	0.38900188	3.914127
04/10/2148	254.550434	2.50299189	0.83391197	136.859492	98.163981	26.263886	0.41571699	3.959951
04/18/2177	357.025818	2.52174169	0.82610390	138.353500	96.509557	26.777833	0.43852105	4.004530

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