+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   469788 (2005 QG181) Classification: Main-belt Asteroid          SPK-ID: 2469788 [ 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 11 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .1862965260380356 1.1328e-07   a 2.39976035564472 2.7754e-08 au q 1.952693338064307 2.8813e-07 au i 2.302940093297481 8.8297e-06 deg node 104.3219503037129 0.00019453 deg peri 255.2299539564019 0.00019688 deg M 340.9195599361602 3.0379e-05 deg tp 2459072.467451644849 (2020-Aug-10.96745164) 0.00011544 TDB period 1357.845128595622 3.72 2.3556e-05 6.449e-08 d yr n .2651259649709368 4.5995e-09 deg/d Q 2.846827373225131 3.2925e-08 au   Orbit Determination Parameters    # obs. used (total)      66      data-arc span      5948 days (16.28 yr)      first obs. used      2003-01-25      last obs. used      2019-05-09      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .47812      source      ORB      producer      Otto Matic      solution date      2019-May-30 10:19:01   Additional Information  Earth MOID = .950738 au   Jupiter MOID = 2.60303 au   T_jup = 3.502  [ hide covariance matrix ] Orbital Elements at Epoch 2457160.5 (2015-May-18.0) TDB Reference: JPL 11 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .1872564789189981 1.1292e-07   q 1.949866289156943 2.8708e-07 au tp 2457715.872029434558 (2016-Nov-23.37202943) 0.00010049 TDB node 104.3359646351779 0.0001947 deg peri 255.5296766319608 0.00019705 deg i 2.30257239122959 8.8246e-06 deg   Orbit Determination Parameters    # obs. used (total)      66      data-arc span      5948 days (16.28 yr)      first obs. used      2003-01-25      last obs. used      2019-05-09      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .47812      source      ORB      producer      Otto Matic      solution date      2019-May-30 10:19:01   Additional Information  Jupiter MOID = 2.60303 au   T_jup = 3.502  Orbit Covariance (6×6)   e q tp node peri i e 1.275042617289502E-14 -3.236739996500386E-14 -5.862989833158792E-12 3.127638758653151E-13 -1.408397200699122E-12 -1.369692979496497E-14 q -3.236739996500386E-14 8.241716809846589E-14 1.527583854272938E-11 -7.969114811758869E-13 3.663852467710931E-12 3.540063032342574E-14 tp -5.862989833158792E-12 1.527583854272938E-11 1.00980006401873E-8 -2.3988925766678E-10 3.07264341852392E-9 1.017668328737534E-11 node 3.127638758653151E-13 -7.969114811758869E-13 -2.3988925766678E-10 3.790891276614784E-8 -3.793541368028219E-8 5.466453886323833E-10 peri -1.408397200699122E-12 3.663852467710931E-12 3.07264341852392E-9 -3.793541368028219E-8 3.882694622864703E-8 -5.439166668285383E-10 i -1.369692979496497E-14 3.540063032342574E-14 1.017668328737534E-11 5.466453886323833E-10 -5.439166668285383E-10 7.787440331490426E-11 [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ] Physical Parameter Table Parameter Symbol Value Units Sigma Reference Notes absolute magnitude H 17.9   n/a MPO472615   469788 (2005 QG181)          Discovered 2005-Aug-30 by Spacewatch at Kitt Peak Reference: Last Updated: 2016-08-22 Alternate Designations  2005 QG181 = 2009 VC96  [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ] 2020-Aug-08 07:41 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin