+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   227356 (2005 UD125) Classification: Main-belt Asteroid          SPK-ID: 2227356 [ 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 11 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .1416910156389587 7.7073e-08   a 2.453812157195694 2.151e-08 au q 2.106129020455412 1.8793e-07 au i 2.797810667287944 9.0304e-06 deg node 25.01262888971733 0.0001224 deg peri 163.782012283971 0.00012568 deg M 205.6482042335263 3.5241e-05 deg tp 2459802.462702583938 (2022-Aug-10.96270258) 0.00014345 TDB period 1403.978307178775 3.84 1.8461e-05 5.054e-08 d yr n .2564142181964351 3.3716e-09 deg/d Q 2.801495293935976 2.4558e-08 au   Orbit Determination Parameters    # obs. used (total)      198      data-arc span      6962 days (19.06 yr)      first obs. used      2001-10-14      last obs. used      2020-11-05      planetary ephem.      DE441      SB-pert. ephem.      SB441-N16      condition code      0      norm. resid. RMS      .59713      source      ORB      producer      Otto Matic      solution date      2021-Apr-14 00:39:26   Additional Information  Earth MOID = 1.10627 au   Jupiter MOID = 2.15284 au   T_jup = 3.478  [ 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 17.1   n/a MPO433489   227356 (2005 UD125)          Discovered 2005-Oct-24 by Spacewatch at Kitt Peak Reference: 20091202/Numbers.arc Last Updated: 2009-12-04 [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ] 2021-Apr-21 08:23 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin