+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   423543 (2005 UC245) Classification: Main-belt Asteroid          SPK-ID: 2423543 [ 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 13 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .217775182261983 7.9763e-08   a 2.672318720947583 2.4184e-08 au q 2.090354024431114 2.1243e-07 au i 10.34424805103432 8.0604e-06 deg node 257.7431970822273 3.9318e-05 deg peri 105.5717256173791 4.3073e-05 deg M 199.8057250551447 1.6296e-05 deg tp 2459910.527710531692 (2022-Nov-27.02771053) 7.4483e-05 TDB period 1595.624911560663 4.37 2.166e-05 5.93e-08 d yr n .2256169337741713 3.0627e-09 deg/d Q 3.254283417464051 2.9451e-08 au   Orbit Determination Parameters    # obs. used (total)      200      data-arc span      5289 days (14.48 yr)      first obs. used      2005-10-25      last obs. used      2020-04-18      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .61878      source      ORB      producer      Otto Matic      solution date      2020-May-22 02:38:57   Additional Information  Earth MOID = 1.11564 au   Jupiter MOID = 2.3549 au   T_jup = 3.323  [ 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 16.58   n/a E2021B25   423543 (2005 UC245)          Discovered 2005-Oct-25 by Spacewatch at Kitt Peak Reference: Last Updated: 2015-02-04 [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ] 2021-Mar-08 16:48 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin