2009 KK
Discovery[1] | |
---|---|
Discovered by | Catalina Sky Survey |
Discovery site | Summerhaven, Arizona, USA |
Discovery date | May 7, 2009 |
Designations | |
MPC designation | 2009 KK |
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) |
1.50213 AU (224.715 Gm) | |
Eccentricity | 0.45521 |
1.84 yr (672.452 d) 1.84 yr | |
143.59° | |
0° 32m 6.756s /day | |
Inclination | 18.2159° |
68.1587° | |
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] |
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]
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[]
- ^ a b c d "2009 KK". Minor Planet Center. Retrieved 16 August 2017.
- ^ a b c d e f g "(2009 KK)". JPL Small-Body Database. Jet Propulsion Laboratory. SPK-ID: 3460260. Retrieved 16 August 2017.
- ^ a b "2009 KK Impact Risk". Near Earth Object Program. NASA. Archived from the original on 4 June 2009.
- ^ "WayBack Machine archive from 11 June 2009". Wayback Machine. 11 June 2009. Archived from the original on 11 June 2009. Retrieved 22 May 2009.
- ^ "NEOs Removed from Impact Risks Tables". Near Earth Object Program. NASA. 17 June 2009. Archived from the original on 18 June 2009. Retrieved 17 June 2009.
External links[]
- 2009 KK at NeoDyS-2, Near Earth Objects—Dynamic Site
- Ephemeris · Obs prediction · Orbital info · MOID · Proper elements · Obs info · Close · Physical info · NEOCC
- 2009 KK at ESA–space situational awareness
- 2009 KK at the JPL Small-Body Database
- Apollo asteroids
- Minor planet object articles (unnumbered)
- Near-Earth objects removed from the Sentry Risk Table
- Astronomical objects discovered in 2009
- Near-Earth asteroid stubs