+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   85862 (1999 AF34) Classification: Main-belt Asteroid          SPK-ID: 2085862 [ 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 29 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .1019060052693805 3.1777e-08   a 2.25878820456935 7.2752e-09 au q 2.028604121892092 7.0749e-08 au i 2.765482917788101 3.7458e-06 deg node 349.9803228321307 6.9976e-05 deg peri 105.1457638083872 7.2567e-05 deg M 139.5007389294392 1.9992e-05 deg tp 2458520.008509275810 (2019-Feb-05.50850928) 6.8014e-05 TDB period 1239.971472467984 3.39 5.9906e-06 1.64e-08 d yr n .2903292599816607 1.4027e-09 deg/d Q 2.488972287246609 8.0166e-09 au   Orbit Determination Parameters    # obs. used (total)      1529      data-arc span      7929 days (21.71 yr)      first obs. used      1998-11-25      last obs. used      2020-08-10      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .53772      source      ORB      producer      Otto Matic      solution date      2020-Nov-12 20:59:33   Additional Information  Earth MOID = 1.04746 au   Jupiter MOID = 2.63451 au   T_jup = 3.613  [ hide covariance matrix ] Orbital Elements at Epoch 2457051.5 (2015-Jan-29.0) TDB Reference: JPL 29 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .101632201128894 3.1829e-08   q 2.029246973185513 7.0841e-08 au tp 2457281.070715028990 (2015-Sep-15.57071503) 6.633e-05 TDB node 350.0085813267234 6.9927e-05 deg peri 105.4258307630842 7.2525e-05 deg i 2.766983519299966 3.7462e-06 deg   Orbit Determination Parameters    # obs. used (total)      1529      data-arc span      7929 days (21.71 yr)      first obs. used      1998-11-25      last obs. used      2020-08-10      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .53772      source      ORB      producer      Otto Matic      solution date      2020-Nov-12 20:59:33   Additional Information  Jupiter MOID = 2.63451 au   T_jup = 3.613  Orbit Covariance (6×6)   e q tp node peri i e 1.013077146549737E-15 -2.245480509819403E-15 2.27041096127963E-13 -5.582142246981563E-15 4.510383786657327E-14 -1.062663479263577E-17 q -2.245480509819403E-15 5.018443293301372E-15 -4.019453964714948E-13 1.28527036295258E-14 -7.342771040826458E-14 8.709777172457931E-17 tp 2.27041096127963E-13 -4.019453964714948E-13 4.399614698937476E-9 -1.369108480752619E-12 1.284656746828853E-9 -8.631737276098856E-13 node -5.582142246981563E-15 1.28527036295258E-14 -1.369108480752619E-12 4.889778863858221E-9 -4.883841412218488E-9 -9.182627717741147E-13 peri 4.510383786657327E-14 -7.342771040826458E-14 1.284656746828853E-9 -4.883841412218488E-9 5.259809055527047E-9 6.552874822557043E-13 i -1.062663479263577E-17 8.709777172457931E-17 -8.631737276098856E-13 -9.182627717741147E-13 6.552874822557043E-13 1.403426768278199E-11 [ 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 14.7   n/a MPO302497   85862 (1999 AF34)          Discovered 1999-Jan-13 by LONEOS at Anderson Mesa Reference: 20040830/Numbers.arc Last Updated: 2004-09-06 [ show close-approach data ] Alternate Designations  1999 AF34 = 2001 QB79  [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ] 2021-Jan-23 15:47 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin