+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   120917 (1998 SV83) Classification: Main-belt Asteroid          SPK-ID: 2120917 [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ] [ show orbit diagram ] Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB Reference: JPL 16 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .1563089115837548 4.218e-08   a 3.048940382973273 1.9185e-08 au q 2.572363830226964 1.3432e-07 au i 2.312882559080641 6.6656e-06 deg node 3.164290351630573 0.00011069 deg peri 32.57981736396607 0.00011303 deg M 37.71351737999849 2.2361e-05 deg tp 2458996.788116610564 (2020-May-27.28811661) 0.00012026 TDB period 1944.562138855049 5.32 1.8354e-05 5.025e-08 d yr n .1851316513916941 1.7474e-09 deg/d Q 3.525516935719581 2.2184e-08 au   Orbit Determination Parameters    # obs. used (total)      473      data-arc span      9486 days (25.97 yr)      first obs. used      1995-01-28      last obs. used      2021-01-17      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .48318      source      ORB      producer      Otto Matic      solution date      2021-Feb-24 09:26:11   Additional Information  Earth MOID = 1.57849 au   Jupiter MOID = 1.91166 au   T_jup = 3.218  [ hide covariance matrix ] Orbital Elements at Epoch 2457518.5 (2016-May-10.0) TDB Reference: JPL 16 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .1547846616657453 4.3782e-08   q 2.578339141483676 1.3966e-07 au tp 2457035.978236603826 (2015-Jan-13.47823660) 0.00011803 TDB node 3.525081746526666 0.0001095 deg peri 29.98750483246831 0.00011205 deg i 2.33322848789779 6.6936e-06 deg   Orbit Determination Parameters    # obs. used (total)      473      data-arc span      9486 days (25.97 yr)      first obs. used      1995-01-28      last obs. used      2021-01-17      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .48318      source      ORB      producer      Otto Matic      solution date      2021-Feb-24 09:26:11   Additional Information  Jupiter MOID = 1.91166 au   T_jup = 3.218  Orbit Covariance (6×6)   e q tp node peri i e 1.916853058180652E-15 -6.07568220782039E-15 -2.724850302301691E-12 -3.631040286679418E-14 -5.060977077897499E-13 1.346261568234583E-15 q -6.07568220782039E-15 1.950385087271742E-14 8.774106479780859E-12 1.122735495940006E-13 1.648975559649095E-12 -3.969555983850831E-15 tp -2.724850302301691E-12 8.774106479780859E-12 1.393093658239411E-8 7.040703575366358E-11 2.832207050480123E-9 -3.296546652358988E-12 node -3.631040286679418E-14 1.122735495940006E-13 7.040703575366358E-11 1.199062771082576E-8 -1.196422459148122E-8 -3.456887171088254E-10 peri -5.060977077897499E-13 1.648975559649095E-12 2.832207050480123E-9 -1.196422459148122E-8 1.25546405496061E-8 3.446310398086882E-10 i 1.346261568234583E-15 -3.969555983850831E-15 -3.296546652358988E-12 -3.456887171088254E-10 3.446310398086882E-10 4.480397930603399E-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 15.68   n/a E2021B55   120917 (1998 SV83)          Discovered 1998-Sep-26 by LINEAR at Socorro Reference: 20060314/Numbers.arc Last Updated: 2006-03-23 [ show close-approach data ] Alternate Designations  1998 SV83 = 1995 BD6  [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ] 2021-Mar-02 08:59 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin