+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   227412 (2005 UG476) Classification: Main-belt Asteroid          SPK-ID: 2227412 [ 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 14 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .1269674903869779 2.2117e-07   a 2.560860203387384 2.503e-08 au q 2.235714210131402 5.8318e-07 au i 2.080148837411889 6.8745e-06 deg node 276.4128239677889 0.00020169 deg peri 230.4441893840113 0.00020637 deg M 147.0712716597807 3.1657e-05 deg tp 2458588.991384231228 (2019-Apr-15.49138423) 0.00013541 TDB period 1496.846387416938 4.10 2.1945e-05 6.008e-08 d yr n .2405056410773326 3.526e-09 deg/d Q 2.886006196643366 2.8208e-08 au   Orbit Determination Parameters    # obs. used (total)      466      data-arc span      6398 days (17.52 yr)      first obs. used      2001-10-21      last obs. used      2019-04-28      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .55333      source      ORB      producer      Otto Matic      solution date      2020-Feb-25 06:04:55   Additional Information  Earth MOID = 1.24805 au   Jupiter MOID = 2.12369 au   T_jup = 3.423  [ 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 16.4   n/a MPO422881   227412 (2005 UG476)          Discovered 2005-Oct-23 by CSS at Catalina Reference: 20091202/Numbers.arc Last Updated: 2009-12-04 [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ] 2021-Apr-13 02:50 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin