+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   413979 (2007 DX98) Classification: Main-belt Asteroid          SPK-ID: 2413979 [ 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 14 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .08687943732081854 4.771e-08   a 2.701018153147412 2.9279e-08 au q 2.466355215808648 1.3372e-07 au i 7.222693128245235 6.5466e-06 deg node 146.8060478457151 4.7233e-05 deg peri 307.4058912655032 7.1526e-05 deg M 47.87386251778322 4.8751e-05 deg tp 2458784.881684458199 (2019-Oct-28.38168446) 0.00022043 TDB period 1621.398180817659 4.44 2.6364e-05 7.218e-08 d yr n .2220305932614619 3.6102e-09 deg/d Q 2.935681090486175 3.1822e-08 au   Orbit Determination Parameters    # obs. used (total)      173      data-arc span      7167 days (19.62 yr)      first obs. used      2000-08-09      last obs. used      2020-03-24      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .50089      source      ORB      producer      Otto Matic      solution date      2020-Nov-12 13:22:50   Additional Information  Earth MOID = 1.49095 au   Jupiter MOID = 2.19373 au   T_jup = 3.351  [ 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 16.6   n/a MPO455949   413979 (2007 DX98)          Discovered 2007-Jan-27 by Mt. Lemmon Survey at Mount Lemmon Reference: Last Updated: 2014-11-10 [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ] 2021-Jan-20 21:19 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin