+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   187082 (2005 NR68) Classification: Main-belt Asteroid          SPK-ID: 2187082 [ 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 .1875962538691126 5.3479e-08   a 2.298854861828669 8.7935e-09 au q 1.867598301560814 1.2152e-07 au i 5.763270110865827 4.7918e-06 deg node 17.2942376084862 4.7904e-05 deg peri 298.149286522623 4.9268e-05 deg M 146.1477437775987 1.0649e-05 deg tp 2458683.660889151184 (2019-Jul-19.16088915) 3.6946e-05 TDB period 1273.109492464797 3.49 7.3048e-06 2e-08 d yr n .282772221973637 1.6225e-09 deg/d Q 2.730111422096523 1.0443e-08 au   Orbit Determination Parameters    # obs. used (total)      404      data-arc span      6630 days (18.15 yr)      first obs. used      2002-11-24      last obs. used      2021-01-18      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .58874      source      ORB      producer      Otto Matic      solution date      2021-Feb-24 19:51:47   Additional Information  Earth MOID = .860781 au   Jupiter MOID = 2.57765 au   T_jup = 3.563  [ 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 16.6   n/a MPO436925   187082 (2005 NR68)          Discovered 2005-Jul-03 by NEAT at Palomar Reference: 20080520/Numbers.arc Last Updated: 2008-05-22 [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ] 2021-Apr-11 13:59 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin