+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   190451 (2000 AX146) Classification: Mars-crossing Asteroid          SPK-ID: 2190451 [ 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 .2295779151805038 5.0914e-08   a 2.152059357108549 9.9771e-09 au q 1.657994056558873 1.0536e-07 au i 24.43425658001712 6.9738e-06 deg node 125.4233680221201 9.7402e-06 deg peri 317.7318275293985 2.1486e-05 deg M 254.4631332055292 2.2431e-05 deg tp 2459538.550428831535 (2021-Nov-20.05042883) 7.3317e-05 TDB period 1153.134047615373 3.16 8.019e-06 2.195e-08 d yr n .3121926724342785 2.171e-09 deg/d Q 2.646124657658225 1.2268e-08 au   Orbit Determination Parameters    # obs. used (total)      470      data-arc span      7521 days (20.59 yr)      first obs. used      1999-12-14      last obs. used      2020-07-17      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .52904      source      ORB      producer      Otto Matic      solution date      2020-Nov-12 07:01:41   Additional Information  Earth MOID = .721412 au   Jupiter MOID = 2.61792 au   T_jup = 3.558  [ 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 16.44   n/a E2021B55   190451 (2000 AX146)          Discovered 2000-Jan-07 by LINEAR at Socorro Reference: 20080917/Numbers.arc Last Updated: 2008-09-19 [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ] 2021-Apr-11 10:57 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin