+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   109578 (2001 QV271) Classification: Main-belt Asteroid          SPK-ID: 2109578 [ 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 22 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .0761212152323911 5.4503e-08   a 3.125854817802627 3.4075e-08 au q 2.887910950431467 1.7664e-07 au i 11.29458422296073 5.6868e-06 deg node 109.8139494834097 3.2225e-05 deg peri 280.6876144313012 5.105e-05 deg M 82.748832886296 3.9605e-05 deg tp 2458536.507449623492 (2019-Feb-22.00744962) 0.00022156 TDB period 2018.606333276826 5.53 3.3007e-05 9.037e-08 d yr n .1783408652124895 2.9161e-09 deg/d Q 3.363798685173788 3.6668e-08 au   Orbit Determination Parameters    # obs. used (total)      539      data-arc span      6754 days (18.49 yr)      first obs. used      2001-07-27      last obs. used      2020-01-23      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .54099      source      ORB      producer      Otto Matic      solution date      2020-Feb-24 03:28:19   Additional Information  Earth MOID = 1.92184 au   Jupiter MOID = 2.00958 au   T_jup = 3.180  [ 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 14.7   n/a MPO453556   109578 (2001 QV271)          Discovered 2001-Aug-19 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-Jul-10 11:10 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin