+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   86408 (2000 AC185) Classification: Main-belt Asteroid          SPK-ID: 2086408 [ 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 18 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .09066512408420969 3.2942e-08   a 2.224236779283145 8.4438e-09 au q 2.022576075696776 7.4304e-08 au i 6.151091460731381 3.8153e-06 deg node 184.1897284255963 2.9668e-05 deg peri 329.6286758327681 3.6427e-05 deg M 23.14479045637083 1.961e-05 deg tp 2458922.603004702455 (2020-Mar-14.10300470) 6.6091e-05 TDB period 1211.629820541196 3.32 6.8995e-06 1.889e-08 d yr n .2971204520529213 1.6919e-09 deg/d Q 2.425897482869515 9.2093e-09 au   Orbit Determination Parameters    # obs. used (total)      803      data-arc span      8974 days (24.57 yr)      first obs. used      1995-10-26      last obs. used      2020-05-21      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .53672      source      ORB      producer      Otto Matic      solution date      2020-Nov-12 20:57:26   Additional Information  Earth MOID = 1.0344 au   Jupiter MOID = 2.55911 au   T_jup = 3.634  [ hide covariance matrix ] Orbital Elements at Epoch 2457406.5 (2016-Jan-19.0) TDB Reference: JPL 18 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .09070660329882901 3.3074e-08   q 2.02249894799417 7.462e-08 au tp 2457712.081840256390 (2016-Nov-19.58184026) 6.7601e-05 TDB node 184.2044188269271 2.966e-05 deg peri 330.0029491987749 3.6366e-05 deg i 6.151515689517859 3.8161e-06 deg   Orbit Determination Parameters    # obs. used (total)      803      data-arc span      8974 days (24.57 yr)      first obs. used      1995-10-26      last obs. used      2020-05-21      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .53672      source      ORB      producer      Otto Matic      solution date      2020-Nov-12 20:57:26   Additional Information  Jupiter MOID = 2.55911 au   T_jup = 3.634  Orbit Covariance (6×6)   e q tp node peri i e 1.093912821254294E-15 -2.454991421992598E-15 5.57614582544658E-13 -9.771730100595159E-15 1.946694120354551E-13 -1.797568075566213E-15 q -2.454991421992598E-15 5.568133363669014E-15 -1.401824921654136E-12 2.151866629671916E-14 -4.867217820506031E-13 4.027779765762708E-15 tp 5.57614582544658E-13 -1.401824921654136E-12 4.569845626214846E-9 -5.344221566085258E-12 1.429310629116282E-9 -1.126952140972596E-12 node -9.771730100595159E-15 2.151866629671916E-14 -5.344221566085258E-12 8.797240283173924E-10 -8.759197370810792E-10 1.867055058537804E-12 peri 1.946694120354551E-13 -4.867217820506031E-13 1.429310629116282E-9 -8.759197370810792E-10 1.322519974013679E-9 -2.219312883585992E-12 i -1.797568075566213E-15 4.027779765762708E-15 -1.126952140972596E-12 1.867055058537804E-12 -2.219312883585992E-12 1.456254393914972E-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 16.4   n/a MPO453295   86408 (2000 AC185)          Discovered 2000-Jan-07 by LINEAR at Socorro Reference: 20040830/Numbers.arc Last Updated: 2004-09-06 [ show close-approach data ] Alternate Designations  2000 AC185 = 1997 EG53  [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ] 2021-Jan-17 19:13 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin