astro.wikisort.org - Asteroid

(614433) 2009 KK is an Apollo near-Earth asteroid which was listed for several weeks in May and June 2009 on the Sentry Risk Table with a Torino Scale rating of 1.[3] There was a 1 in 10000 chance of an impact on 29 May 2022.[3] On 22 May 2009, it was listed as one of two near-earth objects assessed above Level 0 for potential impacts within 100 years, the other being 2007 VK184. As of 10 June 2009 it was downgraded to Level 0 as the cumulative Earth-impact probability was assessed as 7.9e-06 or 1 in 127,000.[4] On 17 June 2009, JPL removed 2009 KK from the list of potential Earth impactors.[5] It is now known that on 4 May 2022 the asteroid will be 0.475 AU (71,100,000 km; 44,200,000 mi) from Earth.[2]

(614433) 2009 KK

Discovery[1]
Discovered by	Catalina Sky Survey
Discovery site	Summerhaven, Arizona, USA
Discovery date	May 7, 2009
Designations
MPC designation	2009 KK
Alternative designations	MPO 218092
Minor planet category	Apollo NEO
Orbital characteristics[2]
Epoch 4 September 2017 (JD 2458000.5)
Uncertainty parameter 1[1]
Observation arc	953[1] d
Aphelion	2.18591 AU (327.007 Gm)
Perihelion	0.81835 AU (122.423 Gm)
Semi-major axis	1.50213 AU (224.715 Gm)
Eccentricity	0.45521
Orbital period (sidereal)	1.84 yr (672.452 d) 1.84 yr
Mean anomaly	143.59°
Mean motion	0° 32m 6.756s /day
Inclination	18.2159°
Longitude of ascending node	68.1587°
Argument of perihelion	247.32°
Earth MOID	0.0000955542 AU (14,294.70 km)[2]
Mercury MOID	0.3949 AU (59,080,000 km)[1]
Jupiter MOID	3.23017 AU (483.227 Gm)[2]
Physical characteristics
Absolute magnitude (H)	20.5[2]

2194 passage

2009 KK may pass as close as 0.006 AU (900,000 km; 560,000 mi) from Earth on 2194-Jun-02.[2] But the nominal solution shows the asteroid passing 0.038 AU (5,700,000 km; 3,500,000 mi) from Earth.[2]

References

External links

• (614433) 2009 KK at NeoDyS-2, Near Earth Objects—Dynamic Site
  • Ephemerides · Observation prediction · Orbital info · MOID · Proper elements · Observational info · Close approaches · Physical info · Orbit animation
• (614433) 2009 KK at ESA–space situational awareness
  • Ephemerides · Observations · Orbit · Physical properties · Summary
• (614433) 2009 KK at the JPL Small-Body Database
  • Close approach · Discovery · Ephemeris · Orbit diagram · Orbital elements · Physical parameters

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