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2017 QP₁

The orbit of 2017 QP1 and positions after flyby on 1 September 2017
Discovery
Discovered by	ATLAS
Discovery site	Haleakala Obs.
Discovery date	14 August 2017
Designations
Minor planet category	Apollo · NEO
Orbital characteristics
Epoch 18 August 2017 (JD 2457983.5)
Uncertainty parameter 9
Observation arc	(3 days)
Aphelion	2.3330 AU
Perihelion	0.4033 AU
Semi-major axis	1.3681 AU
Eccentricity	0.7052
Orbital period (sidereal)	1.60 yr (585 days)
Mean anomaly	32.740°
Mean motion	0° 36m 57.24s / day
Inclination	8.1426°
Longitude of ascending node	141.88°
Argument of perihelion	63.069°
Earth MOID	0.000396 AU (0.154 LD)
Physical characteristics
Mean diameter	37–83 meters
Absolute magnitude (H)	24.266

2017 QP₁ is a micro-asteroid on an eccentric orbit, classified as a near-Earth object of the Apollo group that made a close approach of 0.17 lunar distances from Earth on 14 August 2017 at 21:23 UTC. It was first observed by ATLAS at Haleakala Observatory, Hawaii, on 16 August 2017, two days after its closest approach. The asteroid is estimated to measure between 37 and 83 meters in diameter. It flew past Earth at a speed of 23.97 km/s under the south pole of the Earth.

The orbit of 2017 QP₁ is extremely eccentric, going from the orbit of planet Mercury out into the asteroid belt, located between Mars and Jupiter.

Gallery

• 
  Trajectory inside the lunar orbit
• 
  2017 QP₁'s path in the sky during flyby, seen from the center of the Earth

External links

• MPEC 2017-Q60 : 2017 QP1, Minor Planet Electronic Circular, 20 Aug. 2017
• 2017 QP1 at the JPL Small-Body Database