+ View the NASA Portal + Near-Earth Object (NEO) Program Search JPL JPL Small-Body Database Browser Search: [ help ]   278361 (2007 JJ43) Classification: TransNeptunian Object          SPK-ID: 2278361 [ Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ] [ show orbit diagram ] Orbital Elements at Epoch 2456400.5 (2013-Apr-18.0) TDB Reference: MPO241649 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e 0.1562224 n/a   a 47.7928077 n/a AU q 40.3265006 n/a AU i 12.08451 n/a deg node 272.45553 n/a deg peri 8.43206 n/a deg M 333.65035 n/a deg tp 2465233.6238162 (2037-Jun-24.12381620) n/a JED period 120681.8524664 330.41 n/a n/a d yr n 0.00298305 n/a deg/d Q 55.2591148 n/a AU   Orbit Determination Parameters    # obs. used (total)      104      first obs. used      2002-??-??      last obs. used      2012-05-18      # oppositions      6      planetary ephem.      DE403      condition code      2      fit RMS      0.23      data source      MPC:mpu      producer      MPCLINUX   Additional Information  T_jup = 5.963   MPC Cubewano  [ Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ] Physical Parameter Table Parameter Symbol Value Units Sigma Reference Notes absolute magnitude H 3.9 mag n/a MPO241649   278361 (2007 JJ43)          Discovered 2007-May-14 by Palomar at Palomar (675) Reference: 20110517/Numbers.arc Last Updated: 2011-05-20 [ Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ] 2013-May-19 12:32 UT (server date/time)   Site Manager:   Donald K. Yeomans Webmaster:   Alan B. Chamberlin