+ View the NASA Portal + Near-Earth Object (NEO) Program Search JPL JPL Small-Body Database Browser Search: [ help ]   (2008 LC18) Classification: Centaur          SPK-ID: 3544362 [ Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters ] [ show orbit diagram ] Orbital Elements at Epoch 2456400.5 (2013-Apr-18.0) TDB Reference: MPO181243 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e 0.0863591 n/a   a 29.8925851 n/a AU q 27.3110884 n/a AU i 27.59521 n/a deg node 88.52214 n/a deg peri 8.20618 n/a deg M 173.86239 n/a deg tp 2427570.3725496 (1934-May-12.87254960) n/a JED period 59695.7506575 163.44 n/a n/a d yr n 0.00603058 n/a deg/d Q 32.4740818 n/a AU   Orbit Determination Parameters    # obs. used (total)      12      first obs. used      2008-??-??      last obs. used      2009-06-22      # oppositions      2      planetary ephem.      DE403      condition code      6      fit RMS      0.18      data source      MPC:mpu      producer      MPCW   Additional Information  T_jup = 4.407   MPC Centaur  [ Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters ] Physical Parameter Table Parameter Symbol Value Units Sigma Reference Notes absolute magnitude H 8.4 mag n/a MPO181243   [ Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters ] 2013-Jun-20 06:04 UT (server date/time)   Site Manager:   Donald K. Yeomans Webmaster:   Alan B. Chamberlin