+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   48766 (1997 JY13) Classification: Main-belt Asteroid          SPK-ID: 2048766 [ 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 31 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .1505504476217508 3.0961e-08   a 2.375619007917877 7.4996e-09 au q 2.017968502897101 7.2561e-08 au i 1.335572115848495 3.4806e-06 deg node 137.9684334991158 0.00014612 deg peri 354.7736116358737 0.00014673 deg M 184.7746801327169 1.4947e-05 deg tp 2459651.465503703133 (2022-Mar-12.96550370) 5.7307e-05 TDB period 1337.407068285705 3.66 6.3331e-06 1.734e-08 d yr n .2691775814086656 1.2747e-09 deg/d Q 2.733269512938653 8.6287e-09 au   Orbit Determination Parameters    # obs. used (total)      1831      data-arc span      10635 days (29.12 yr)      first obs. used      1991-10-03      last obs. used      2020-11-14      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .51059      source      ORB      producer      Otto Matic      solution date      2020-Dec-17 21:26:55   Additional Information  Earth MOID = 1.03234 au   Jupiter MOID = 2.30341 au   T_jup = 3.526  [ hide covariance matrix ] Orbital Elements at Epoch 2457336.5 (2015-Nov-10.0) TDB Reference: JPL 31 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .1502135474490221 3.075e-08   q 2.018132445940749 7.196e-08 au tp 2456974.796651444285 (2014-Nov-13.29665144) 5.0995e-05 TDB node 138.0190686105723 0.00014644 deg peri 354.2709793584231 0.00014705 deg i 1.334215580709982 3.4769e-06 deg   Orbit Determination Parameters    # obs. used (total)      1831      data-arc span      10635 days (29.12 yr)      first obs. used      1991-10-03      last obs. used      2020-11-14      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .51059      source      ORB      producer      Otto Matic      solution date      2020-Dec-17 21:26:55   Additional Information  Jupiter MOID = 2.30341 au   T_jup = 3.526  Orbit Covariance (6×6)   e q tp node peri i e 9.455578701044114E-16 -2.204490454071141E-15 6.456542546714638E-13 -3.822680623301671E-15 1.693839661907098E-13 -1.299855182075688E-16 q -2.204490454071141E-15 5.178310345645183E-15 -1.386656038704837E-12 8.947687236544014E-15 -3.628281870782056E-13 2.986562519959909E-16 tp 6.456542546714638E-13 -1.386656038704837E-12 2.60047735268294E-9 -3.744834564102335E-12 6.970091432884974E-10 -3.25244286015593E-13 node -3.822680623301671E-15 8.947687236544014E-15 -3.744834564102335E-12 2.144478650087427E-8 -2.143950492525881E-8 1.611274134835239E-10 peri 1.693839661907098E-13 -3.628281870782056E-13 6.970091432884974E-10 -2.143950492525881E-8 2.162479025543012E-8 -1.611740645465725E-10 i -1.299855182075688E-16 2.986562519959909E-16 -3.25244286015593E-13 1.611274134835239E-10 -1.611740645465725E-10 1.208886812309036E-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 14.9   n/a MPO337647   48766 (1997 JY13)          Discovered 1997-May-03 by Elst, E. W. at La Silla Reference: 20021120/Numbers.arc Last Updated: 2004-04-19 [ show close-approach data ] Alternate Designations  1997 JY13 = 1999 VG8  [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ] 2021-Jan-17 07:42 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin