+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   180269 (2003 WB41) Classification: Main-belt Asteroid          SPK-ID: 2180269 [ 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 18 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .1582809393564632 4.4592e-08   a 2.301860243283924 1.1642e-08 au q 1.937519641709647 1.0923e-07 au i 5.497683177389371 4.2186e-06 deg node 38.94963550573672 5.0657e-05 deg peri 5.092673879874432 5.3994e-05 deg M 334.2427824994982 2.0666e-05 deg tp 2459291.766900009387 (2021-Mar-18.26690001) 7.3668e-05 TDB period 1275.606885826832 3.49 9.6774e-06 2.65e-08 d yr n .2822186082561419 2.1411e-09 deg/d Q 2.666200844858201 1.3485e-08 au   Orbit Determination Parameters    # obs. used (total)      424      data-arc span      6264 days (17.15 yr)      first obs. used      2003-10-16      last obs. used      2020-12-09      planetary ephem.      DE441      SB-pert. ephem.      SB441-N16      condition code      0      norm. resid. RMS      .62415      source      ORB      producer      Otto Matic      solution date      2021-Apr-13 21:25:49   Additional Information  Earth MOID = .945532 au   Jupiter MOID = 2.7265 au   T_jup = 3.568  [ 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 17.10   n/a E2021B55   180269 (2003 WB41)          Discovered 2003-Nov-19 by Spacewatch at Kitt Peak Reference: 20080321/Numbers.arc Last Updated: 2008-03-26 [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ] 2021-Apr-19 07:26 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin