+ 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 28 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .1019060041915649 3.1921e-08   a 2.258788204819499 7.3254e-09 au q 2.028604124551306 7.1156e-08 au i 2.765484199576928 3.9362e-06 deg node 349.9803174642432 7.0121e-05 deg peri 105.1457680064206 7.2878e-05 deg M 139.5007398535023 2.0395e-05 deg tp 2458520.008506013181 (2019-Feb-05.50850601) 6.9475e-05 TDB period 1239.971472673964 3.39 6.032e-06 1.651e-08 d yr n .2903292599334321 1.4123e-09 deg/d Q 2.488972285087693 8.072e-09 au   Orbit Determination Parameters    # obs. used (total)      1497      data-arc span      7875 days (21.56 yr)      first obs. used      1998-11-25      last obs. used      2020-06-17      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .53736      source      ORB      producer      Otto Matic      solution date      2020-Jun-24 00:18:19   Additional Information  Earth MOID = 1.04746 au   Jupiter MOID = 2.63451 au   T_jup = 3.613  [ hide covariance matrix ] Orbital Elements at Epoch 2456953.5 (2014-Oct-23.0) TDB Reference: JPL 28 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .1016405421627096 3.1979e-08   q 2.029361317798696 7.1276e-08 au tp 2457280.969355858678 (2015-Sep-15.46935586) 6.7989e-05 TDB node 350.0082985529377 7.0073e-05 deg peri 105.3894210122982 7.2836e-05 deg i 2.766944436110294 3.9366e-06 deg   Orbit Determination Parameters    # obs. used (total)      1497      data-arc span      7875 days (21.56 yr)      first obs. used      1998-11-25      last obs. used      2020-06-17      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .53736      source      ORB      producer      Otto Matic      solution date      2020-Jun-24 00:18:19   Additional Information  Jupiter MOID = 2.63451 au   T_jup = 3.613  Orbit Covariance (6×6)   e q tp node peri i e 1.022670703870886E-15 -2.269864185695413E-15 2.731741988840006E-13 -5.144013274211578E-15 5.998048210801399E-14 -1.362424654071785E-16 q -2.269864185695413E-15 5.080306753253276E-15 -5.183185176717596E-13 1.186144525911338E-14 -1.110613254672975E-13 3.690759452938165E-16 tp 2.731741988840006E-13 -5.183185176717596E-13 4.622547498593029E-9 -1.980696502994256E-12 1.359086452918635E-9 -7.349427882560424E-13 node -5.144013274211578E-15 1.186144525911338E-14 -1.980696502994256E-12 4.910204922460619E-9 -4.904447137488498E-9 -6.324953557592293E-12 peri 5.998048210801399E-14 -1.110613254672975E-13 1.359086452918635E-9 -4.904447137488498E-9 5.305046550941313E-9 6.098491821989682E-12 i -1.362424654071785E-16 3.690759452938165E-16 -7.349427882560424E-13 -6.324953557592293E-12 6.098491821989682E-12 1.549674479037348E-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 ] 2020-Oct-26 05:24 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin