+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   295461 (2008 PU12) Classification: Main-belt Asteroid          SPK-ID: 2295461 [ 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 13 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .06195056779618443 5.6785e-08   a 2.88598830454936 3.8268e-08 au q 2.707199690429379 1.6688e-07 au i 7.055130085861609 6.3997e-06 deg node 139.7872479935502 4.1482e-05 deg peri 198.1357217281218 5.838e-05 deg M 128.2086268178507 4.0194e-05 deg tp 2458362.743307122578 (2018-Sep-01.24330712) 0.00020018 TDB period 1790.771924903772 4.90 3.5618e-05 9.752e-08 d yr n .2010306253932056 3.9985e-09 deg/d Q 3.06477691866934 4.0639e-08 au   Orbit Determination Parameters    # obs. used (total)      190      data-arc span      5052 days (13.83 yr)      first obs. used      2006-02-05      last obs. used      2019-12-06      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .58804      source      ORB      producer      Otto Matic      solution date      2019-Dec-14 18:30:46   Additional Information  Earth MOID = 1.69829 au   Jupiter MOID = 2.21365 au   T_jup = 3.278  [ hide covariance matrix ] Orbital Elements at Epoch 2457149.5 (2015-May-07.0) TDB Reference: JPL 13 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .06256001956779099 5.7207e-08   q 2.704166040151433 1.6761e-07 au tp 2456557.260339997341 (2013-Sep-21.76034000) 0.00020104 TDB node 139.8829508368796 4.1384e-05 deg peri 195.1440384175887 5.7858e-05 deg i 7.062785866034138 6.4092e-06 deg   Orbit Determination Parameters    # obs. used (total)      190      data-arc span      5052 days (13.83 yr)      first obs. used      2006-02-05      last obs. used      2019-12-06      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .58804      source      ORB      producer      Otto Matic      solution date      2019-Dec-14 18:30:46   Additional Information  Jupiter MOID = 2.21365 au   T_jup = 3.278  Orbit Covariance (6×6)   e q tp node peri i e 3.272626556799291E-15 -9.369644492763125E-15 -1.833223817094186E-13 7.428855061101999E-16 -1.323926230506613E-14 1.346487503500031E-15 q -9.369644492763125E-15 2.809317611731467E-14 -9.675843438575251E-13 -4.58049723754192E-15 -1.782349153102091E-13 -2.031288359267039E-15 tp -1.833223817094186E-13 -9.675843438575251E-13 4.041717264895087E-8 -1.534557370531381E-11 8.141299419031731E-9 5.218694029137576E-12 node 7.428855061101999E-16 -4.58049723754192E-15 -1.534557370531381E-11 1.712659240146955E-9 -1.702413620822874E-9 3.984773738467576E-11 peri -1.323926230506613E-14 -1.782349153102091E-13 8.141299419031731E-9 -1.702413620822874E-9 3.347536541455804E-9 -3.834675116907852E-11 i 1.346487503500031E-15 -2.031288359267039E-15 5.218694029137576E-12 3.984773738467576E-11 -3.834675116907852E-11 4.107824135038402E-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 16.1   n/a MPO455184   295461 (2008 PU12)          Discovered 2008-Aug-09 by La Sagra at La Sagra Reference: 20110912/Numbers.arc Last Updated: 2011-09-14 [ show close-approach data ] [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ] 2020-Sep-24 21:49 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin