+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   180447 (2004 BJ118) Classification: Main-belt Asteroid          SPK-ID: 2180447 [ 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 22 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .1825164170947238 5.5977e-08   a 2.460936248552813 1.387e-08 au q 2.011774981768423 1.3018e-07 au i 5.474253714167541 4.6788e-06 deg node 217.3488859196765 3.0805e-05 deg peri 337.2667708813603 3.2543e-05 deg M 86.8755438186711 1.0775e-05 deg tp 2458860.214058419979 (2020-Jan-11.71405842) 4.0874e-05 TDB period 1410.096945401561 3.86 1.1921e-05 3.264e-08 d yr n .2553015955207824 2.1584e-09 deg/d Q 2.910097515337203 1.6402e-08 au   Orbit Determination Parameters    # obs. used (total)      744      data-arc span      7551 days (20.67 yr)      first obs. used      2000-01-07      last obs. used      2020-09-09      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .54577      source      ORB      producer      Otto Matic      solution date      2020-Nov-12 09:05:37   Additional Information  Earth MOID = 1.01107 au   Jupiter MOID = 2.05561 au   T_jup = 3.461  [ 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 16.20   n/a E2021B55   180447 (2004 BJ118)          Discovered 2004-Jan-29 by LINEAR at Socorro Reference: 20080321/Numbers.arc Last Updated: 2008-03-26 [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ] 2021-Apr-13 18:01 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin