2012 UE34

Sub-kilometer asteroid February 2018 yes 2012 UE 34 #FFC2E0 Pan-STARRS 1 Haleakala Obs. 18 October 2012(first observed only) 2012 UE 34 NEO Apollo 27 April 2019 (JD 2458600.5) 0 1 7.06 yr (2,578 d) 1.2151 AU 0.9956 AU 1.1053 AU 0.0993 1.16 yr (424 d) 31.060° 0.8481 ms / day 9.6584° 198.48° 18.425° 0.000919 AU LD on out 3 66 m (est. at 0.20)130 m (est. at 0.05) 23.3 2012 UE 34 is a sub-kilometer asteroid, classified as a near-Earth object of the Apollo group, approximately 70 m ft off us in diameter. It was first observed on 18 October 2012, by Pan-STARRS at Haleakala Observatory on the island of Maui, Hawaii, in the United States. The object was removed from the Sentry Risk Table on 29 December 2013. On 8 April 2041 it will pass Earth at a nominal distance of 0.0007329 AU km mi on on 2. Due to its presumed small size, it does not qualify as a potentially hazardous asteroid, despite its low Earth MOID. Orbit and classification 2012 UE 34 is an Apollo asteroid, which are Earth-crossers and the largest subgroup in the near-Earth object population. It orbits the Sun at a distance of 0.996–1.22 AU once every 14 months (424 days; semi-major axis of 1.11 AU). Its orbit has an eccentricity of 0.10 and an inclination of 10° with respect to the ecliptic. The body's observation arc begins with its official first observation at Haleakala in October 2012. Close encounters 2012 UE 34 passed about 0.002 AU km mi on off from Earth on 8 April 1991. On 8 April 2041, the asteroid will pass about 0.0007 AU km mi on off from Earth. For comparison, the distance to the Moon is about 0.0026 AU (384,400 km). It has an exceptionally low minimum orbital intersection distance with Earth of 0.000919 AU km on off, which translates into 0.36 lunar distances. Despite this exceptionally low theoretical distance, the asteroid is not listed as a potentially hazardous asteroid, due to its small size, represented by its proxy, an absolute magnitude of 23.3, which is below the defined threshold of 22 magnitude. H < 24 asteroids passing less than 1 LD from EarthAsteroidDateNominal approach distance (LD)Min. distance (LD)Max. distance (LD)Absolute magnitude (H)Size (meters)(152680) 1998 KJ 9 1914-12-31 0.606 0.604 0.608 19.4 279–900(458732) 2011 MD 5 1918-09-17 0.911 0.909 0.913 17.9 556–1795(163132) 2002 CU 11 1925-08-30 0.903 0.901 0.905 18.5 443–4772010 VB 1 1936-01-06 0.553 0.553 0.553 23.2 48–1562002 JE 9 1971-04-11 0.616 0.587 0.651 21.2 122–3932013 UG 1 1976-10-17 0.854 0.853 0.855 22.3 73–2372012 TY 52 1981-11-04 0.818 0.813 0.823 21.4 111–3582012 UE 34 1991-04-08 0.847 0.676 1.027 23.3 46–1492017 VW 13 2001-11-08 0.454 0.318 3.436 20.7 153–4942002 MN 2002-06-14 0.312 0.312 0.312 23.6 40–130(308635) 2005 YU 55 2011-11-08 0.845 0.845 0.845 21.9 320–4002011 XC 2 2011-12-03 0.904 0.901 0.907 23.2 48–1562018 AH 2018-01-02 0.773 0.772 0.773 22.5 67–2162018 GE 3 2018-04-15 0.502 0.501 0.503 23.7 35–135(153814) 2001 WN 5 2028-06-26 0.647 0.647 0.647 18.2 921–94399942 Apophis 2029-04-13 0.0981 0.0963 0.1000 19.7 310–3402012 UE 34 2041-04-08 0.283 0.274 0.354 23.3 46–1492015 XJ 351 2047-06-06 0.789 0.251 38.135 22.4 70–2262007 TV 18 2058-09-22 0.918 0.917 0.919 23.8 37–1192005 WY 55 2065-05-28 0.865 0.856 0.874 20.7 153–494(308635) 2005 YU 55 2075-11-08 0.592 0.499 0.752 21.9 320–400(456938) 2007 YV 56 2101-01-02 0.621 0.615 0.628 21.0 133–4312007 UW 1 2129-10-19 0.239 0.155 0.381 22.7 61–197101955 Bennu 2135-09-25 0.780 0.308 1.406 20.19 472–512(153201) 2000 WO 107 2140-12-01 0.634 0.631 0.637 19.3 427–5932009 DO 111 2146-03-23 0.896 0.744 1.288 22.8 58–188(85640) 1998 OX 4 2148-01-22 0.771 0.770 0.771 21.1 127–4112007 UY 1 2156-02-13 0.685 0.652 6.856 22.9 56–1792011 LT 17 2156-12-16 0.998 0.955 1.215 21.6 101–327 Numbering and naming This minor planet has not been numbered by the Minor Planet Center and remains unnamed. Physical characteristics Based on a generic magnitude-to-diameter conversion, 2012 UE 34 measures 66 meters in diameter, for an absolute magnitude of 23.3 and an assumed albedo of 0.20, which is typical for stony S-type asteroids. In the unusual case of being a carbonaceous asteroid with a low albedo of 0.05, 2012 UE 34 may be as large as 130 meters in diameter. References 30em 2019-11-09 last obs. JPL Small-Body Database Browser: (2012 UE34) https://ssd.jpl.nasa.gov/sbdb.cgi?sstr=3612847;cad=1 Jet Propulsion Laboratory 16 January 2020 2012 UE34 Minor Planet Center https://www.minorplanetcenter.net/db_search/show_object?object_id=2012+UE34 16 January 2020 Asteroid Size Estimator CNEOS NASA/JPL https://cneos.jpl.nasa.gov/tools/ast_size_est.html 9 February 2018 Date/Time Removed NASA/JPL Near-Earth Object Program Office http://neo.jpl.nasa.gov/risk/removed.html https://web.archive.org/web/20020602101400/http://neo.jpl.nasa.gov/risk/removed.html dead 2002-06-02 External links MPEC 2012-U61 : 2012 UE34, Minor Planet Electronic Circular, 20 October 2012 MPEC 2019-N158 : 2012 UE34, Minor Planet Electronic Circular, 14 July 2019 8M_27st1ZCI Minor Planet Center: Asteroid Hazards, Part 3: Finding the Path (min. 5:38), includes discussion of 2012 UE 34 2012 UE 34 at NEODyS-2 Physical facts sheet, European Asteroid Research Node (EARN), 18 October 2012 List Of The Potentially Hazardous Asteroids (PHAs), Minor Planet Center 2012+UE34 2012UE34 99942 Apophis Large NEO Earth close approach(inside the orbit of the Moon) 8 April 2041 2005 WY 55 # Category:Minor planet object articles (unnumbered) # # 19910408 20121018