2017 BS5

2017 BS₅
	July 23, 2017 flyby of Earth
Discovery
Discovered by	ATLAS (T05)
Discovery site	Haleakala Obs.
Discovery date	25 January 2017
Designations
MPC designation	2017 BS5
Minor planet category	Apollo · NEO
Orbital characteristics
	Epoch 4 September 2017 (JD 2458000.5)
	Uncertainty parameter 1
Observation arc	(190 days)
Aphelion	1.0231 AU
Perihelion	1.0078 AU
Semi-major axis	1.0154 AU
Eccentricity	0.0075
Orbital period (sidereal)	1.02 yr (374 days)
Mean anomaly	204.63°
Mean motion	0° 57m 47.52s / day
Inclination	11.232°
Longitude of ascending node	120.84°
Argument of perihelion	15.577°
Earth MOID	0.0070 AU · 2.7 LD
Physical characteristics
Dimensions	40–90 meters
Absolute magnitude (H)	24.1

In the astronomy of the Solar System, 2017 BS₅ is a sub-kilometer asteroid, classified as near-Earth object that belongs to the Apollo group. It measures approximately 40–90 meters.^[3] During a close approach to Earth, it was first observed 25 January 2017, by the ATLAS survey at Haleakala Observatory, Hawaii, United States.^[2]

^ ^a ^b ^c ^d Cite error: The named reference jpldata was invoked but never defined (see the help page).
^ ^a ^b Cite error: The named reference MPC-2017BS5 was invoked but never defined (see the help page).
^ "Five Known Asteroids Will Give Earth A Close Shave in The Coming Year". IFLScience. Retrieved 13 February 2020.

[jpldata-1] Cite error: The named reference jpldata was invoked but never defined (see the help page).

[MPC-2017BS5-2] Cite error: The named reference MPC-2017BS5 was invoked but never defined (see the help page).

[3] "Five Known Asteroids Will Give Earth A Close Shave in The Coming Year". IFLScience. Retrieved 13 February 2020.

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