+ 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 17 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .1089750073203723 5.438e-08   a 2.37147027190786 1.6308e-08 au q 2.113039281666656 1.2345e-07 au i 5.263275126755441 5.4032e-06 deg node 294.058239045907 5.676e-05 deg peri 185.180042550867 6.2768e-05 deg M 64.20266139184901 2.5486e-05 deg tp 2458762.610384380034 (2019-Oct-06.11038438) 9.3954e-05 TDB period 1333.905164779673 3.65 1.376e-05 3.767e-08 d yr n .2698842537726158 2.7839e-09 deg/d Q 2.629901262149065 1.8086e-08 au   Orbit Determination Parameters    # obs. used (total)      295      data-arc span      8605 days (23.56 yr)      first obs. used      1996-10-05      last obs. used      2020-04-27      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .55089      source      ORB      producer      Otto Matic      solution date      2020-May-21 20:01:29   Additional Information  Earth MOID = 1.12918 au   Jupiter MOID = 2.44157 au   T_jup = 3.531  [ hide covariance matrix ] Orbital Elements at Epoch 2457579.5 (2016-Jul-10.0) TDB Reference: JPL 17 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .1090237179978858 5.4678e-08   q 2.113706316651428 1.2431e-07 au tp 2457430.225623446665 (2016-Feb-11.72562345) 9.2031e-05 TDB node 294.1147123919234 5.6755e-05 deg peri 185.6452918316321 6.2701e-05 deg i 5.26272725388614 5.4044e-06 deg   Orbit Determination Parameters    # obs. used (total)      295      data-arc span      8605 days (23.56 yr)      first obs. used      1996-10-05      last obs. used      2020-04-27      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .55089      source      ORB      producer      Otto Matic      solution date      2020-May-21 20:01:29   Additional Information  Jupiter MOID = 2.44157 au   T_jup = 3.531  Orbit Covariance (6×6)   e q tp node peri i e 2.989643622916073E-15 -6.758733342226184E-15 2.028335924380155E-12 -1.230357900345217E-14 6.30499135960204E-13 -7.147891493668496E-16 q -6.758733342226184E-15 1.545323531545209E-14 -4.784839797083737E-12 2.995213670628799E-14 -1.480701934347332E-12 1.994964698494324E-15 tp 2.028335924380155E-12 -4.784839797083737E-12 8.469615752482126E-9 5.921061046251832E-12 2.478917478355226E-9 5.832806969475355E-14 node -1.230357900345217E-14 2.995213670628799E-14 5.921061046251832E-12 3.221134707533233E-9 -3.205367634027873E-9 1.238265303297721E-10 peri 6.30499135960204E-13 -1.480701934347332E-12 2.478917478355226E-9 -3.205367634027873E-9 3.931366875357217E-9 -1.233042673052322E-10 i -7.147891493668496E-16 1.994964698494324E-15 5.832806969475355E-14 1.238265303297721E-10 -1.233042673052322E-10 2.920763933010312E-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 ] 2020-Sep-20 21:21 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin