(696513) 2016 NL56

Near-Earth object and potentially hazardous object January 2020 yes (696513) 2016 NL 56 #FFC2E0 Pan-STARRS 1 Haleakala Obs. 12 July 2016 (696513) 2016 NL 56 2021 NL 2 NEOApolloPHA 1 July 2021 (JD 2459396.5) 1 19.93 yr (7,280 d) 2.1730 AU 0.6402 AU 1.4066 AU 0.5448 1.67 yr (609 d) 279.49° 0.5908 ms / day 4.6011° 340.93° 87.408° 0.0035 AU LD on 3 out 0.01456 AU km on 3 0.02041 AU km on 3 230 m (est. at 0.14) 20.8920.913 (696513) 2016 NL 56 is a near-Earth object (NEO) and a potentially hazardous object (PHA), meaning that it has an orbit that can make close approaches to the Earth and large enough to cause significant regional damage in the event of impact. It is an Apollo asteroid, meaning that it is an Earth-crossing asteroid that has an orbit larger than the orbit of the Earth. It was first observed on 12 July 2016, when the asteroid was more than 1 AU from Earth and had a solar elongation of 163 degrees. This asteroid had been a lost asteroid until its rediscovery as, and identification with 2021 NL 2, in July 2021. With additional observations recovered dating back as far as August 2001, the object's previously short observation arc of 2.8 days has been extended to almost 20 years, and its roughly calculated orbit has become secure with an uncertainty parameter of 1. It orbits the Sun at a distance of 0.6–2.2 AU once every 20 months (609 days; semi-major axis of 1.41 AU). Its orbit has a high eccentricity of 0.54 and an inclination of 5° with respect to the ecliptic. Based on a generic magnitude-to-diameter conversion, 2016 NL 56 measures approximately 230 m ft us 2 in diameter, for an absolute magnitude of 20.9 and an albedo of 0.14. This asteroid has been in both the Risk List of the European Space Agency (ESA) - Space Situational Awareness (SSA) and in the Sentry List of the Jet Propulsion Laboratory (JPL) - Center for Near Earth Object Studies (CNEOS). On 21 July 2021, this object was removed from the Sentry List, where it was previously listed with the highest Palermo Technical Impact Hazard Scale value due to a possible close encounter with Earth on 5 September 2024. On 28 February 2122, 2016 NL 56 will make its closest encounter with Earth at a nominal distance of 0.01144 AU km flip us 3. Two hours later, it will pass the Moon at a nominal distance of 0.00885 AU km flip us 3. On 2 May 2090, the asteroid will approach Venus at a nominal distance of 0.04586 AU km flip us 3. On 11 May 2148, the asteroid will approach Mars at a nominal distance of 0.02307 AU km flip us 3. See also 2015 ME 131 2017 QC 36 2017 MZ 8 2017 DB 120 2017 SG 33 References 2021-07-17 last obs. JPL Small-Body Database Browser: (2016 NL56) https://ssd.jpl.nasa.gov/sbdb.cgi?sstr=3757572 Jet Propulsion Laboratory 21 July 2021 2021-07-17 last obs. JPL Small-Body Database Browser: (2016 NL56) https://ssd.jpl.nasa.gov/tools/sbdb_lookup.html#/?sstr=3757572&view=C Jet Propulsion Laboratory 28 July 2025 2016 NL56 Minor Planet Center https://www.minorplanetcenter.net/db_search/show_object?object_id=2016+NL56 21 July 2021 2016 NL56 2021 NL2 Minor Planet Electronic Circular https://minorplanetcenter.net//mpec/K21/K21O34.html 21 July 2021 ESA space situational awareness 2016NL56 http://neo.ssa.esa.int/search-for-asteroids?tab=summary&des=2016NL56 European Space Agency August 4, 2020 JPL HORIZONS Web-Interface (2016 NL56) https://ssd.jpl.nasa.gov/horizons.cgi?find_body=1&body_group=sb&sstr=2016%20NL56 Jet Propulsion Laboratory August 4, 2020 NEODyS-2 Risk List https://newton.spacedys.com/neodys/index.php?pc=4.1 SpaceDys August 4, 2020 NEODyS-2 - Near Earth Objects - Dynamic Site - 2016NL56 - Close Approaches https://newton.spacedys.com/neodys/index.php?pc=1.1.8&n=2016NL56 SpaceDys July 28, 2025 Asteroid Size Estimator CNEOS NASA/JPL https://cneos.jpl.nasa.gov/tools/ast_size_est.html 11 September 2020 Sentry: Earth Impact Monitoring – Impact Risk Data https://cneos.jpl.nasa.gov/sentry/ Jet Propulsion Laboratory August 4, 2020 Sentry: Earth Impact Monitoring - Object Details 2016 NL56 https://cneos.jpl.nasa.gov/sentry/details.html#?des=2016%20NL56 Jet Propulsion Laboratory August 4, 2020 Sentry: Earth Impact Monitoring – Removed Objects CNEOS – Center for Near Earth Object Studies https://cneos.jpl.nasa.gov/sentry/removed.html 21 July 2021 External links 2016+NL56 2016NL56 3757572 696513 (696513) 2016 NL 56 expanded Category:Apollo asteroids Category:Discoveries by Pan-STARRS Category:Potentially hazardous asteroids Category:Near-Earth objects removed from the Sentry Risk Table 20160712