+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   80125 (1999 RG176) Classification: Main-belt Asteroid          SPK-ID: 2080125 [ 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 24 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .1903825524118094 4.4178e-08   a 2.158405029396761 5.1863e-09 au q 1.747482370761719 9.4949e-08 au i 2.185211678600122 4.0791e-06 deg node 306.61210091326 0.00010367 deg peri 21.678174542389 0.00010402 deg M 207.4457621715879 8.9033e-06 deg tp 2459491.317025356997 (2021-Oct-03.81702536) 2.9115e-05 TDB period 1158.238090555429 3.17 4.1746e-06 1.143e-08 d yr n .3108169235112646 1.1203e-09 deg/d Q 2.569327688031803 6.1737e-09 au   Orbit Determination Parameters    # obs. used (total)      1172      data-arc span      7585 days (20.77 yr)      first obs. used      1999-07-16      last obs. used      2020-04-21      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .52533      source      ORB      producer      Otto Matic      solution date      2020-May-20 14:47:37   Additional Information  Earth MOID = .736321 au   Jupiter MOID = 2.7665 au   T_jup = 3.674  [ hide covariance matrix ] Orbital Elements at Epoch 2456859.5 (2014-Jul-21.0) TDB Reference: JPL 24 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .190981985964027 4.4276e-08   q 1.74593601431223 9.5215e-08 au tp 2457174.412733804753 (2015-May-31.91273380) 2.7651e-05 TDB node 306.7191931452957 0.00010357 deg peri 21.55893778174296 0.00010391 deg i 2.186490859444937 4.0827e-06 deg   Orbit Determination Parameters    # obs. used (total)      1172      data-arc span      7585 days (20.77 yr)      first obs. used      1999-07-16      last obs. used      2020-04-21      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .52533      source      ORB      producer      Otto Matic      solution date      2020-May-20 14:47:37   Additional Information  Jupiter MOID = 2.7665 au   T_jup = 3.674  Orbit Covariance (6×6)   e q tp node peri i e 1.960402907230975E-15 -4.211767275494001E-15 4.92873271574806E-13 -4.834164323040191E-15 1.291799580009732E-13 -1.322266000033112E-15 q -4.211767275494001E-15 9.06584246773542E-15 -1.063159863800075E-12 1.014695751952116E-14 -2.801403839486672E-13 2.860683593385913E-15 tp 4.92873271574806E-13 -1.063159863800075E-12 7.645975030516338E-10 -5.67576737845176E-12 2.470919310229709E-10 -7.513654848891023E-13 node -4.834164323040191E-15 1.014695751952116E-14 -5.67576737845176E-12 1.072640103384052E-8 -1.071984500739938E-8 1.89007008880977E-10 peri 1.291799580009732E-13 -2.801403839486672E-13 2.470919310229709E-10 -1.071984500739938E-8 1.07972470987402E-8 -1.891061525367825E-10 i -1.322266000033112E-15 2.860683593385913E-15 -7.513654848891023E-13 1.89007008880977E-10 -1.891061525367825E-10 1.666809862247273E-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 16.0   n/a MPO468759   80125 (1999 RG176)          Discovered 1999-Sep-09 by LINEAR at Socorro Reference: 20040504/Numbers.arc Last Updated: 2004-07-16 [ show close-approach data ] Alternate Designations  1999 RG176 = 2001 DF104  [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ] 2020-Sep-30 07:03 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin