+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   58591 (1997 SV31) Classification: Main-belt Asteroid          SPK-ID: 2058591 [ 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 .1910443249296581 2.9175e-08   a 2.238643954364966 7.5255e-09 au q 1.810963731345451 6.6367e-08 au i 2.152656260126474 3.0262e-06 deg node 104.9894423779037 9.5623e-05 deg peri 218.6578563968137 9.612e-05 deg M 310.0142625565541 8.6981e-06 deg tp 2459170.371127621018 (2020-Nov-16.87112762) 2.9466e-05 TDB period 1223.421101124213 3.35 6.169e-06 1.689e-08 d yr n .2942568177622511 1.4838e-09 deg/d Q 2.666324177384482 8.9632e-09 au   Orbit Determination Parameters    # obs. used (total)      1320      data-arc span      10037 days (27.48 yr)      first obs. used      1993-05-24      last obs. used      2020-11-15      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .54098      source      ORB      producer      Otto Matic      solution date      2020-Dec-17 21:40:35   Additional Information  Earth MOID = .799266 au   Jupiter MOID = 2.65193 au   T_jup = 3.611  [ hide covariance matrix ] Orbital Elements at Epoch 2456951.5 (2014-Oct-21.0) TDB Reference: JPL 28 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .1911740307131897 2.92e-08   q 1.810229851582467 6.6348e-08 au tp 2456722.450206252444 (2014-Mar-05.95020625) 3.2869e-05 TDB node 105.0238100043955 9.5541e-05 deg peri 218.3402058269389 9.6037e-05 deg i 2.153230567582933 3.0285e-06 deg   Orbit Determination Parameters    # obs. used (total)      1320      data-arc span      10037 days (27.48 yr)      first obs. used      1993-05-24      last obs. used      2020-11-15      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .54098      source      ORB      producer      Otto Matic      solution date      2020-Dec-17 21:40:35   Additional Information  Jupiter MOID = 2.65193 au   T_jup = 3.611  Orbit Covariance (6×6)   e q tp node peri i e 8.526476662813412E-16 -1.929310127404325E-15 2.618337883348485E-13 1.190431181697304E-14 6.237020549444322E-14 -6.729942093333684E-16 q -1.929310127404325E-15 4.40211961442694E-15 -6.766351291444135E-13 -2.764499761766176E-14 -1.638464404634076E-13 1.569444236156485E-15 tp 2.618337883348485E-13 -6.766351291444135E-13 1.080358004806631E-9 9.707269533174811E-12 3.315910793005847E-10 -5.981364692643617E-13 node 1.190431181697304E-14 -2.764499761766176E-14 9.707269533174811E-12 9.128132825594957E-9 -9.118547821232542E-9 1.680954943582578E-11 peri 6.237020549444322E-14 -1.638464404634076E-13 3.315910793005847E-10 -9.118547821232542E-9 9.223025644817654E-9 -1.697716250639565E-11 i -6.729942093333684E-16 1.569444236156485E-15 -5.981364692643617E-13 1.680954943582578E-11 -1.697716250639565E-11 9.171591104150356E-12 [ 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 15.82   n/a E2021B10   58591 (1997 SV31)          Discovered 1997-Sep-29 by BAO Schmidt CCD Asteroid Program at Xinglong Reference: 20030614/Numbers.arc Last Updated: 2004-04-19 [ show close-approach data ] [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ] 2021-Feb-28 22:20 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin