+ 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 2459200.5 (2020-Dec-17.0) TDB Reference: JPL 34 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .1510408253304635 3.0905e-08   a 2.37450507922526 7.4362e-09 au q 2.015857872307699 7.2406e-08 au i 1.335972665049396 3.465e-06 deg node 137.9734859199652 0.00014554 deg peri 354.848785751671 0.00014614 deg M 238.552202615378 1.5029e-05 deg tp 2459651.363650618090 (2022-Mar-12.86365062) 5.7051e-05 TDB period 1336.466512508891 3.66 6.2781e-06 1.719e-08 d yr n .2693670186499379 1.2654e-09 deg/d Q 2.733152286142821 8.5593e-09 au   Orbit Determination Parameters    # obs. used (total)      1851      data-arc span      10701 days (29.30 yr)      first obs. used      1991-10-03      last obs. used      2021-01-19      planetary ephem.      DE441      SB-pert. ephem.      SB441-N16      condition code      0      norm. resid. RMS      .50889      source      ORB      producer      Otto Matic      solution date      2021-Apr-13 10:11:35   Additional Information  Earth MOID = 1.03013 au   Jupiter MOID = 2.30275 au   T_jup = 3.527  [ hide covariance matrix ] Orbital Elements at Epoch 2457371.5 (2015-Dec-15.0) TDB Reference: JPL 34 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .1502009419876866 3.0644e-08   q 2.018200363597062 7.1703e-08 au tp 2456974.807895567563 (2014-Nov-13.30789557) 5.0954e-05 TDB node 138.0184310082374 0.00014588 deg peri 354.2781535374351 0.0001465 deg i 1.334221585721443 3.4601e-06 deg   Orbit Determination Parameters    # obs. used (total)      1851      data-arc span      10701 days (29.30 yr)      first obs. used      1991-10-03      last obs. used      2021-01-19      planetary ephem.      DE441      SB-pert. ephem.      SB441-N16      condition code      0      norm. resid. RMS      .50889      source      ORB      producer      Otto Matic      solution date      2021-Apr-13 10:11:35   Additional Information  Jupiter MOID = 2.30275 au   T_jup = 3.527  Orbit Covariance (6×6)   e q tp node peri i e 9.390704735659168E-16 -2.18902133636872E-15 6.473030501705818E-13 -4.095038503005195E-15 1.701798030431052E-13 -1.278567197877178E-16 q -2.18902133636872E-15 5.14132864030856E-15 -1.389778389269032E-12 9.536880092416626E-15 -3.643630060939992E-13 2.933705710289039E-16 tp 6.473030501705818E-13 -1.389778389269032E-12 2.596335926554919E-9 -4.310540890677606E-12 6.959531320715833E-10 -3.275553291920532E-13 node -4.095038503005195E-15 9.536880092416626E-15 -4.310540890677606E-12 2.128225694657644E-8 -2.127717361887599E-8 1.613327054768766E-10 peri 1.701798030431052E-13 -3.643630060939992E-13 6.959531320715833E-10 -2.127717361887599E-8 2.14620282782186E-8 -1.613799685856307E-10 i -1.278567197877178E-16 2.933705710289039E-16 -3.275553291920532E-13 1.613327054768766E-10 -1.613799685856307E-10 1.197240398672025E-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 14.97   n/a E2021B10   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-Jun-23 13:28 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin