+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   150729 (2001 QG40) Classification: Main-belt Asteroid          SPK-ID: 2150729 [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ] [ show orbit diagram ] Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB Reference: JPL 13 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .2295375735932985 4.7166e-08   a 2.423638786246912 6.7517e-09 au q 1.867322619985189 1.1458e-07 au i .2159646804291431 3.5641e-06 deg node 89.57923446369257 0.001345 deg peri 245.0216695738443 0.001345 deg M 32.21496867079191 8.3664e-06 deg tp 2459077.173762939254 (2020-Aug-15.67376294) 3.2126e-05 TDB period 1378.161990333453 3.77 5.7589e-06 1.577e-08 d yr n .2612174784423537 1.0915e-09 deg/d Q 2.979954952508636 8.3015e-09 au   Orbit Determination Parameters    # obs. used (total)      485      data-arc span      7091 days (19.41 yr)      first obs. used      2001-08-07      last obs. used      2021-01-05      planetary ephem.      DE441      SB-pert. ephem.      SB441-N16      condition code      0      norm. resid. RMS      .52748      source      ORB      producer      Otto Matic      solution date      2021-Apr-13 19:19:47   Additional Information  Earth MOID = .855526 au   Jupiter MOID = 2.39999 au   T_jup = 3.475  [ 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 17.13   n/a E2021B55   150729 (2001 QG40)          Discovered 2001-Aug-16 by LINEAR at Socorro Reference: 20070303/Numbers.arc Last Updated: 2007-03-07 [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ] 2021-Apr-21 09:13 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin