+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   312350 (2008 DE14) Classification: Main-belt Asteroid          SPK-ID: 2312350 [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ] [ show orbit diagram ] Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB Reference: JPL 8 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .1327181033937677 6.6004e-08   a 2.766333221600152 4.5629e-08 au q 2.399190723074208 1.9068e-07 au i 14.48290934130364 1.2689e-05 deg node 140.5539618459439 2.9131e-05 deg peri 272.1399215266053 5.6968e-05 deg M 326.9737825221674 4.973e-05 deg tp 2459154.674128083935 (2020-Nov-01.17412808) 0.00023362 TDB period 1680.564422718719 4.60 4.158e-05 1.138e-07 d yr n .2142137457709672 5.3e-09 deg/d Q 3.133475720126095 5.1685e-08 au   Orbit Determination Parameters    # obs. used (total)      103      data-arc span      4668 days (12.78 yr)      first obs. used      2006-09-22      last obs. used      2019-07-04      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .70706      source      ORB      producer      Otto Matic      solution date      2019-Sep-24 06:01:45   Additional Information  Earth MOID = 1.46272 au   Jupiter MOID = 2.28166 au   T_jup = 3.280  [ show covariance matrix ] [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ] Physical Parameter Table Parameter Symbol Value Units Sigma Reference Notes absolute magnitude H 16.4   n/a MPO450244   312350 (2008 DE14)          Discovered 2008-Feb-26 by Mt. Lemmon Survey at Mount Lemmon Reference: 20120109/Numbers.arc Last Updated: 2012-01-11 [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ] 2020-Aug-10 00:17 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin