+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   469446 (2002 NL8) Classification: Mars-crossing Asteroid          SPK-ID: 2469446 [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ] [ show orbit diagram ] Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB Reference: JPL 12 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .33256089392754 1.1339e-07   a 2.29480112292977 7.6999e-09 au q 1.531640010102323 2.5666e-07 au i 7.01108318491819 4.2597e-06 deg node 279.366796998876 6.2321e-05 deg peri 49.20405720297855 6.6309e-05 deg M 38.5504339389537 2.2048e-05 deg tp 2458864.530100139851 (2020-Jan-16.03010014) 7.7236e-05 TDB period 1269.74352680872 3.48 6.3907e-06 1.75e-08 d yr n .2835218234227171 1.427e-09 deg/d Q 3.057962235757217 1.0261e-08 au   Orbit Determination Parameters    # obs. used (total)      254      data-arc span      6170 days (16.89 yr)      first obs. used      2002-07-09      last obs. used      2019-05-31      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .59579      source      ORB      producer      Otto Matic      solution date      2020-Feb-26 13:57:39   Additional Information  Earth MOID = .531685 au   Jupiter MOID = 2.33787 au   T_jup = 3.511  [ 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 17.7   n/a MPO477208   469446 (2002 NL8)          Discovered 2002-Jul-09 by LINEAR at Socorro Reference: Last Updated: 2016-08-22 [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ] 2021-Jan-19 00:17 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin