+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   180474 (2004 CU52) Classification: Main-belt Asteroid          SPK-ID: 2180474 [ 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 .1548853371807405 3.0532e-07   a 2.542722388509375 2.7094e-08 au q 2.148891974008083 7.9566e-07 au i 16.36232259825995 1.0927e-05 deg node 323.5273628045643 2.536e-05 deg peri 130.7048304447511 7.7432e-05 deg M 84.08352399333042 5.0943e-05 deg tp 2458854.596264932162 (2020-Jan-06.09626493) 0.00021373 TDB period 1480.971999155257 4.05 2.3671e-05 6.481e-08 d yr n .243083596587473 3.8853e-09 deg/d Q 2.936552803010668 3.1291e-08 au   Orbit Determination Parameters    # obs. used (total)      176      data-arc span      7302 days (19.99 yr)      first obs. used      2000-02-03      last obs. used      2020-01-31      planetary ephem.      DE441      SB-pert. ephem.      SB441-N16      condition code      0      norm. resid. RMS      .63327      source      ORB      producer      Otto Matic      solution date      2021-Apr-13 21:26:40   Additional Information  Earth MOID = 1.19795 au   Jupiter MOID = 2.24807 au   T_jup = 3.372  [ 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 17.0   n/a MPO533109   180474 (2004 CU52)          Discovered 2004-Feb-10 by CSS at Catalina Reference: 20080321/Numbers.arc Last Updated: 2008-03-26 [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ] 2021-Apr-20 22:48 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin