2011 GA

Near-Earth asteroid September 2026 yes #FFC2E0 2011 GA 2011 GA http://www.minorplanetcenter.net/db_search/show_object?utf8=%E2%9C%93&object_id=2011+GA Minor Planet Center 2011-06-10 Mount Lemmon Survey 1 April 2011 Catalina Mountains north of Tucson, Arizona, USA 2011 GA ApolloNEO, PHA, Earth crosser, Mars crosser MPO 200327 last observation: 2023-11-18; arc: 4614 days JPL Small-Body Database Browser: (2011 GA) http://ssd.jpl.nasa.gov/sbdb.cgi?sstr=2011%20GA Jet Propulsion Laboratory 13 January 2026 21 November 2025 (JD 2461000.5) 0 12.63 yr (4614 days) 2.86328 AU Gm on on 0.73589 AU Gm on 1.79958 AU Gm on 0.59108 2.41 yr (884.44 d) 9.82630° 200.341° 332.056° 109.694° 0.00711963 AU km on 170–380 mABSOLUTE MAGNITUDE (H) http://neo.jpl.nasa.gov/glossary/h.html https://web.archive.org/web/20010302182040/http://neo.jpl.nasa.gov/glossary/h.html dead 2001-03-02 NASA 4.4 hours 20.7 0.408269 ms /day 2.5206 AU Gm on 2011 GA is a near-Earth object and Apollo asteroid that passed close to the Earth on 15 October 2023. Due to its size and low MOID, it is classified as a potentially hazardous asteroid (PHA). Observations 2011 GA was discovered on 1 April 2011 by Andrea Boattinti, who was working for the Mount Lemmon Survey.MPEC 2011-G12 : 2011 GA https://www.minorplanetcenter.net/mpec/K11/K11G12.html 2026-01-14 minorplanetcenter.net In the days just after the close approach, the asteroid was observed by the Goldstone Solar-System Radar.14 November 2023 2011 GA, 1998 HH49, 2019 HH4, 2003 UC20, 2021 SZ4 https://echo.jpl.nasa.gov/asteroids/1998HH49.goldstone.planning.html 13 January 2026 echo.jpl.nasa.gov Orbit and physical characteristics The orbit and size of 2011 GA makes it a potentially hazardous asteroid (PHA). 2011 GA passed within 0.01743 AU km mi on on of the Earth on 15 October 2023.JPL Small-Body Database Browser: (2011 GA) – Close-Approach Data http://ssd.jpl.nasa.gov/sbdb.cgi?sstr=2011GA;cad=1#cad Jet Propulsion Laboratory 2015-05-05 The asteroid also passed within 0.02494 AU km mi on on from Earth around 15 October 1977. For comparison, the distance to the Moon is about 0.0026 AU (384,400 km). 2011 GA has a rotation period of about 4.4 hours. Radar images of the asteroid showed a smooth, regular shape. The Jupiter Tisserand invariant, used to distinguish different kinds of orbits, is 3.826. See also 99942 Apophis References External links 2011+GA 2011GA # Category:Minor planet object articles (unnumbered) Category:Earth-crossing asteroids # 20110401 Category:Near-Earth objects in 2023