+ 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 13 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .1862965300886946 5.8689e-08   a 2.39976035493246 1.318e-08 au q 1.952693327764129 1.3903e-07 au i 2.302929961374031 4.7764e-06 deg node 104.3219156054522 0.00017558 deg peri 255.2299873227927 0.00017757 deg M 340.9195600992899 1.925e-05 deg tp 2459072.467450997517 (2020-Aug-10.96745100) 7.2608e-05 TDB period 1357.845127991101 3.72 1.1186e-05 3.063e-08 d yr n .2651259650889725 2.1842e-09 deg/d Q 2.846827382100792 1.5635e-08 au   Orbit Determination Parameters    # obs. used (total)      130      data-arc span      6502 days (17.80 yr)      first obs. used      2003-01-25      last obs. used      2020-11-13      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .50164      source      ORB      producer      Otto Matic      solution date      2020-Dec-18 07:10:58   Additional Information  Earth MOID = .950738 au   Jupiter MOID = 2.60303 au   T_jup = 3.502  [ hide covariance matrix ] Orbital Elements at Epoch 2458084.5 (2017-Nov-27.0) TDB Reference: JPL 13 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .1874406052162571 5.8737e-08   q 1.949398640898692 1.3939e-07 au tp 2457715.476286911215 (2016-Nov-22.97628691) 7.2774e-05 TDB node 104.3321354105713 0.00017572 deg peri 255.4099846829345 0.00017768 deg i 2.302548938643433 4.7753e-06 deg   Orbit Determination Parameters    # obs. used (total)      130      data-arc span      6502 days (17.80 yr)      first obs. used      2003-01-25      last obs. used      2020-11-13      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .50164      source      ORB      producer      Otto Matic      solution date      2020-Dec-18 07:10:58   Additional Information  Jupiter MOID = 2.60303 au   T_jup = 3.502  Orbit Covariance (6×6)   e q tp node peri i e 3.450088492649705E-15 -8.164004146348731E-15 7.903109303715655E-13 -1.554349866282561E-16 2.637489517016114E-13 -6.693377032659542E-15 q -8.164004146348731E-15 1.942825952809563E-14 -2.032151966939009E-12 4.803640560013752E-15 -6.723911363369893E-13 1.595807724012401E-14 tp 7.903109303715655E-13 -2.032151966939009E-12 5.29609103027089E-9 -1.128915044349152E-10 1.959513706795594E-9 -4.05812581753318E-12 node -1.554349866282561E-16 4.803640560013752E-15 -1.128915044349152E-10 3.087908335999795E-8 -3.089361301843018E-8 -3.452007543648038E-11 peri 2.637489517016114E-13 -6.723911363369893E-13 1.959513706795594E-9 -3.089361301843018E-8 3.157003167764367E-8 3.309891431677907E-11 i -6.693377032659542E-15 1.595807724012401E-14 -4.05812581753318E-12 -3.452007543648038E-11 3.309891431677907E-11 2.280379023788694E-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 ] 2021-Jan-21 16:22 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin