Asteroid General Data

2017 HW₁ (539940)

General information

Preliminary designation	2017 HW₁
Number	539940
Group	Amor
Absolute magnitude	18.00
Approximate diameter (m)	670
Approximate mass (kg)	5.44·10¹¹
Number of observations	1135
Arc length (days)	4912

Approaches

No approaches found

Orbit initial data

Date of initial data	09/17/2026
M – mean anomaly (degrees)	17.437285
a – orbit major semiaxis (astronomical units)	2.13785500
e – orbit eccentricity	0.45846500
ω – orbit ascending node-perihelion angle (degrees)	168.819393
Ω – longitude of orbit ascending node (degrees)	41.298815
i – orbit inclination to the ecliptic plane (degrees)	33.930935

Orbital evolution

Date	M	a	e	ω	Ω	i	q	P
01/13/1829	268.924600	2.13534969	0.46477489	166.049807	42.554619	33.795869	1.14289277	3.120356
01/21/1858	13.390661	2.13641342	0.46355750	166.246889	42.382132	33.782701	1.14606296	3.122688
01/29/1887	119.719342	2.13583261	0.46347266	166.926443	42.168682	33.868004	1.14593258	3.121414
02/07/1916	223.834165	2.13675981	0.46177073	167.120316	41.991800	33.849570	1.15006667	3.123447
02/14/1945	330.975326	2.13499566	0.46198748	167.807017	41.788478	33.933902	1.14865441	3.119580
02/22/1974	76.090608	2.13775500	0.45953233	168.000258	41.647832	33.872299	1.15538746	3.125630
03/02/2003	183.108218	2.13511812	0.46063744	168.704170	41.410356	33.991840	1.15160277	3.119848
03/09/2032	288.025982	2.13802066	0.45837381	168.880603	41.287373	33.931226	1.15800799	3.126212
03/17/2061	34.045001	2.13581597	0.45932247	169.636227	41.044314	34.038946	1.15478771	3.121378
03/25/2090	139.210667	2.13754860	0.45753858	169.779259	40.913282	33.994422	1.15953765	3.125177
04/03/2119	245.847271	2.13665579	0.45815272	170.447089	40.689119	34.100200	1.15774114	3.123219
04/10/2148	351.565048	2.13727972	0.45666822	170.670153	40.538067	34.042869	1.16125199	3.124587
04/18/2177	98.253163	2.13540732	0.45838522	171.090225	40.341799	34.144345	1.15656817	3.120482

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