+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   305765 (2009 DS32) Classification: Main-belt Asteroid          SPK-ID: 2305765 [ 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 10 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .08339704168191459 4.7279e-07   a 2.890271443099476 6.2106e-08 au q 2.649231355087261 1.3166e-06 au i 15.45875860098624 2.1608e-05 deg node 170.0322873303942 4.0217e-05 deg peri 340.0753656646649 0.00024264 deg M 130.3900465979854 0.00025501 deg tp 2458350.447677117641 (2018-Aug-19.94767712) 0.0012532 TDB period 1794.759970898461 4.91 5.7849e-05 1.584e-07 d yr n .2005839253367029 6.4652e-09 deg/d Q 3.13131153111169 6.7285e-08 au   Orbit Determination Parameters    # obs. used (total)      120      data-arc span      9206 days (25.20 yr)      first obs. used      1994-03-09      last obs. used      2019-05-23      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .62958      source      ORB      producer      Otto Matic      solution date      2020-Feb-25 17:57:35   Additional Information  Earth MOID = 1.66292 au   Jupiter MOID = 1.85923 au   T_jup = 3.232  [ hide covariance matrix ] Orbital Elements at Epoch 2457135.5 (2015-Apr-23.0) TDB Reference: JPL 10 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .08364082427736724 4.6272e-07   q 2.645632826882336 1.2843e-06 au tp 2456551.396618620712 (2013-Sep-15.89661862) 0.0012387 TDB node 170.1574369606473 4.0166e-05 deg peri 338.4535953535602 0.00025054 deg i 15.45828679739651 2.1633e-05 deg   Orbit Determination Parameters    # obs. used (total)      120      data-arc span      9206 days (25.20 yr)      first obs. used      1994-03-09      last obs. used      2019-05-23      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .62958      source      ORB      producer      Otto Matic      solution date      2020-Feb-25 17:57:35   Additional Information  Jupiter MOID = 1.85923 au   T_jup = 3.232  Orbit Covariance (6×6)   e q tp node peri i e 2.14112698629159E-13 -5.941508423306446E-13 5.601495874865692E-10 -2.307296109959312E-12 1.114635185086807E-10 -3.294566361050048E-12 q -5.941508423306446E-13 1.649445278239221E-12 -1.554902508584565E-9 6.425324424340272E-12 -3.093864569051666E-10 9.157348961384611E-12 tp 5.601495874865692E-10 -1.554902508584565E-9 1.53444943430436E-6 -6.186230368059151E-9 3.065698987712732E-7 -8.839595875050344E-9 node -2.307296109959312E-12 6.425324424340272E-12 -6.186230368059151E-9 1.613341107127363E-9 -2.761271202997796E-9 7.130142821222028E-10 peri 1.114635185086807E-10 -3.093864569051666E-10 3.065698987712732E-7 -2.761271202997796E-9 6.277185254360655E-8 -2.414145306397734E-9 i -3.294566361050048E-12 9.157348961384611E-12 -8.839595875050344E-9 7.130142821222028E-10 -2.414145306397734E-9 4.679718377812435E-10 [ 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 16.7   n/a MPO476362   305765 (2009 DS32)          Discovered 2009-Feb-20 by Spacewatch at Kitt Peak Reference: 20111110/Numbers.arc Last Updated: 2011-11-14 [ show close-approach data ] Alternate Designations  2009 DS32 = 2004 EF104  [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ] 2020-Aug-14 18:37 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin