+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   180383 (2003 YJ146) Classification: Main-belt Asteroid          SPK-ID: 2180383 [ 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 21 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .1787134679428577 5.6492e-08   a 2.331277751610248 1.2887e-08 au q 1.914647019881953 1.3089e-07 au i 8.737817171380248 6.1714e-06 deg node 38.17632850280296 2.403e-05 deg peri 172.9646015064358 2.6373e-05 deg M 204.8399440004317 1.3746e-05 deg tp 2459760.859684809865 (2022-Jun-30.35968481) 5.2889e-05 TDB period 1300.138010597989 3.56 1.0781e-05 2.952e-08 d yr n .2768936813365071 2.296e-09 deg/d Q 2.747908483338544 1.5191e-08 au   Orbit Determination Parameters    # obs. used (total)      607      data-arc span      6230 days (17.06 yr)      first obs. used      2003-12-17      last obs. used      2021-01-06      planetary ephem.      DE441      SB-pert. ephem.      SB441-N16      condition code      0      norm. resid. RMS      .53536      source      ORB      producer      Otto Matic      solution date      2021-Apr-13 21:26:18   Additional Information  Earth MOID = .908116 au   Jupiter MOID = 2.21432 au   T_jup = 3.534  [ 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 15.9   n/a MPO433175   180383 (2003 YJ146)          Discovered 2003-Dec-28 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-17 03:38 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin