+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   109429 (2001 QQ195) Classification: Main-belt Asteroid          SPK-ID: 2109429 [ 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 15 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .2604499681686785 7.1291e-08   a 2.574320814332963 2.0178e-08 au q 1.903839040183976 1.7992e-07 au i 18.68738494798242 7.6547e-06 deg node 303.0620231690212 1.6442e-05 deg peri 47.88682372340962 2.2747e-05 deg M 194.4139535778523 2.4244e-05 deg tp 2459694.426807401972 (2022-Apr-24.92680740) 0.00010889 TDB period 1508.663658940385 4.13 1.7738e-05 4.856e-08 d yr n .2386217748844346 2.8056e-09 deg/d Q 3.24480258848195 2.5434e-08 au   Orbit Determination Parameters    # obs. used (total)      514      data-arc span      6879 days (18.83 yr)      first obs. used      2001-06-27      last obs. used      2020-04-27      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .61399      source      ORB      producer      Otto Matic      solution date      2020-May-20 19:04:45   Additional Information  Earth MOID = .939548 au   Jupiter MOID = 2.29854 au   T_jup = 3.308  [ show covariance matrix ] [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ] Physical Parameter Table Parameter Symbol Value Units Sigma Reference Notes absolute magnitude H 15.2   n/a MPO417561   109429 (2001 QQ195)          Discovered 2001-Aug-22 by LINEAR at Socorro Reference: 20051019/Numbers.arc Last Updated: 2005-10-26 [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ] 2020-Aug-06 13:35 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin