+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   150716 (2001 QN5) Classification: Main-belt Asteroid          SPK-ID: 2150716 [ 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 17 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .2545258182865556 6.1207e-08   a 2.522362696701299 1.5552e-08 au q 1.880356267307918 1.5553e-07 au i 3.586416772909031 5.3641e-06 deg node 121.4326664092571 9.1997e-05 deg peri 262.4213831966533 9.3035e-05 deg M 260.1481341366904 1.7985e-05 deg tp 2459606.348002908402 (2022-Jan-26.84800291) 7.5607e-05 TDB period 1463.22033928773 4.01 1.3533e-05 3.705e-08 d yr n .2460326653026446 2.2754e-09 deg/d Q 3.16436912609468 1.9511e-08 au   Orbit Determination Parameters    # obs. used (total)      311      data-arc span      9271 days (25.38 yr)      first obs. used      1995-01-29      last obs. used      2020-06-17      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .62838      source      ORB      producer      Otto Matic      solution date      2020-Nov-12 13:49:55   Additional Information  Earth MOID = .886734 au   Jupiter MOID = 2.29877 au   T_jup = 3.407  [ 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 16.64   n/a E2021B55   150716 (2001 QN5)          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-13 12:06 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin