+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   305835 (2009 DE137) Classification: Main-belt Asteroid          SPK-ID: 2305835 [ 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 .1089750115114272 5.372e-08   a 2.371470271200422 1.6255e-08 au q 2.113039271097348 1.2161e-07 au i 5.263274729711337 5.2525e-06 deg node 294.0582382529906 5.6697e-05 deg peri 185.1800440764107 6.2699e-05 deg M 64.2026611544094 2.5478e-05 deg tp 2458762.610385366265 (2019-Oct-06.11038537) 9.392e-05 TDB period 1333.905164182792 3.65 1.3714e-05 3.755e-08 d yr n .2698842538933805 2.7748e-09 deg/d Q 2.629901271303495 1.8026e-08 au   Orbit Determination Parameters    # obs. used (total)      302      data-arc span      8631 days (23.63 yr)      first obs. used      1996-10-05      last obs. used      2020-05-23      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .54954      source      ORB      producer      Otto Matic      solution date      2020-Nov-11 19:10:33   Additional Information  Earth MOID = 1.12918 au   Jupiter MOID = 2.44157 au   T_jup = 3.531  [ hide covariance matrix ] Orbital Elements at Epoch 2457639.5 (2016-Sep-08.0) TDB Reference: JPL 18 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .1090957367757504 5.3983e-08   q 2.113570482213959 1.2246e-07 au tp 2457430.171865246899 (2016-Feb-11.67186525) 9.1918e-05 TDB node 294.1046058369858 5.6701e-05 deg peri 185.632941491431 6.2636e-05 deg i 5.262284269046611 5.2531e-06 deg   Orbit Determination Parameters    # obs. used (total)      302      data-arc span      8631 days (23.63 yr)      first obs. used      1996-10-05      last obs. used      2020-05-23      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .54954      source      ORB      producer      Otto Matic      solution date      2020-Nov-11 19:10:33   Additional Information  Jupiter MOID = 2.44157 au   T_jup = 3.531  Orbit Covariance (6×6)   e q tp node peri i e 2.914150049087138E-15 -6.57315522286322E-15 1.99580879017906E-12 -1.302680879711135E-14 6.169093050520533E-13 -1.201240991810419E-15 q -6.57315522286322E-15 1.499539455926946E-14 -4.70583431428204E-12 3.113361465272449E-14 -1.446936329453387E-12 3.081553396643707E-15 tp 1.99580879017906E-12 -4.70583431428204E-12 8.448879049422742E-9 3.937831892171903E-12 2.472974191292161E-9 -8.76423550863088E-13 node -1.302680879711135E-14 3.113361465272449E-14 3.937831892171903E-12 3.215006628611115E-9 -3.199859543861684E-9 1.204148456805586E-10 peri 6.169093050520533E-13 -1.446936329453387E-12 2.472974191292161E-9 -3.199859543861684E-9 3.923301440343354E-9 -1.201881873507405E-10 i -1.201240991810419E-15 3.081553396643707E-15 -8.76423550863088E-13 1.204148456805586E-10 -1.201881873507405E-10 2.759510016800864E-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 16.8   n/a MPO455253   305835 (2009 DE137)          Discovered 2009-Feb-19 by CSS at Catalina Reference: 20111110/Numbers.arc Last Updated: 2011-11-14 [ show close-approach data ] Alternate Designations  2009 DE137 = 2004 XK67  [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ] 2021-Jan-23 02:41 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin