+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   117439 Rosner (2005 AR36) Classification: Main-belt Asteroid          SPK-ID: 2117439 [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ] [ show orbit diagram ] Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB Reference: JPL 15 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .1178913084723296 7.0838e-08   a 2.583668733829505 1.5708e-08 au q 2.279076646139298 1.7975e-07 au i 2.409947200750775 6.6176e-06 deg node 3.459769241009198 0.00010644 deg peri 217.5927938356422 0.00010943 deg M 170.3659671384304 2.2252e-05 deg tp 2458282.649489480506 (2018-Jun-13.14948948) 9.3341e-05 TDB period 1516.888543690386 4.15 1.3834e-05 3.788e-08 d yr n .2373279180579533 2.1644e-09 deg/d Q 2.888260821519713 1.756e-08 au   Orbit Determination Parameters    # obs. used (total)      294      data-arc span      9746 days (26.68 yr)      first obs. used      1993-03-21      last obs. used      2019-11-26      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .57967      source      ORB      producer      Otto Matic      solution date      2020-Nov-12 18:18:41   Additional Information  Earth MOID = 1.27145 au   Jupiter MOID = 2.08914 au   T_jup = 3.412  [ show covariance matrix ] [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ] Physical Parameter Table Parameter Symbol Value Units Sigma Reference Notes absolute magnitude H 16.3   n/a MPO436564   117439 Rosner           Discovered 2005 Jan. 13 by A. Lowe at New Mexico Skies Observatory. Arnie Rosner and Nancy Rosner are well-known photographers from Fountain Valley, California. Arnie is an accomplished astrophotographer, and Nancy is an award-winning travel photographer with a particular affection for Kenya. NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character) Reference: 20060809/MPCPages.arc Last Updated: 2007-08-08 [ show close-approach data ] Alternate Designations  2005 AR36 = 1993 FZ77  [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ] 2021-Jan-27 11:31 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin