+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   103409 (2000 AP140) Classification: Main-belt Asteroid          SPK-ID: 2103409 [ 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 18 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .1598670279170694 4.5297e-08   a 2.624461052791956 1.176e-08 au q 2.204896264398003 1.2197e-07 au i 4.743910201827243 4.0461e-06 deg node 102.4766285668973 5.21e-05 deg peri 334.2009277177867 5.3624e-05 deg M 347.190645907042 1.172e-05 deg tp 2459255.756497801257 (2021-Feb-10.25649780) 5.0522e-05 TDB period 1552.954119629513 4.25 1.0438e-05 2.858e-08 d yr n .2318162497201688 1.5581e-09 deg/d Q 3.044025841185909 1.364e-08 au   Orbit Determination Parameters    # obs. used (total)      692      data-arc span      7713 days (21.12 yr)      first obs. used      1999-12-07      last obs. used      2021-01-18      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .54903      source      ORB      producer      Otto Matic      solution date      2021-Feb-24 08:34:28   Additional Information  Earth MOID = 1.22101 au   Jupiter MOID = 2.20609 au   T_jup = 3.380  [ 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 15.7   n/a MPO449624   103409 (2000 AP140)          Discovered 2000-Jan-05 by LINEAR at Socorro Reference: 20051019/Numbers.arc Last Updated: 2005-10-26 [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ] 2021-Mar-05 02:23 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin