+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   180368 (2003 YB111) Classification: Main-belt Asteroid          SPK-ID: 2180368 [ 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 12 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .1775906980859969 4.2788e-08   a 2.406099220858526 1.635e-08 au q 1.978798380562087 1.0354e-07 au i 3.301485128105641 4.9552e-06 deg node 118.6913256630766 8.4286e-05 deg peri 265.8097909612476 8.6083e-05 deg M 263.6126108806375 2.1548e-05 deg tp 2459565.494601780085 (2021-Dec-16.99460178) 8.4415e-05 TDB period 1363.228715305406 3.73 1.3895e-05 3.804e-08 d yr n .2640789443166539 2.6917e-09 deg/d Q 2.833400061154965 1.9253e-08 au   Orbit Determination Parameters    # obs. used (total)      263      data-arc span      7463 days (20.43 yr)      first obs. used      1999-12-08      last obs. used      2020-05-14      planetary ephem.      DE441      SB-pert. ephem.      SB441-N16      condition code      0      norm. resid. RMS      .59102      source      ORB      producer      Otto Matic      solution date      2021-Apr-13 21:26:14   Additional Information  Earth MOID = .984516 au   Jupiter MOID = 2.62327 au   T_jup = 3.499  [ 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 17.25   n/a E2021B55   180368 (2003 YB111)          Discovered 2003-Dec-27 by Yeung, W. K. Y. at Desert Eagle Reference: 20080321/Numbers.arc Last Updated: 2008-03-26 [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ] 2021-Apr-20 21:34 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin