+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   187325 (2005 UL73) Classification: Main-belt Asteroid          SPK-ID: 2187325 [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ] [ show orbit diagram ] Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB Reference: JPL 20 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .03803129899337003 3.968e-08   a 2.96842525530165 2.4446e-08 au q 2.855532186877803 1.1124e-07 au i 13.52097791950687 5.9664e-06 deg node 52.72771743951102 1.8413e-05 deg peri 235.2064402950869 8.6237e-05 deg M 99.23764155914039 8.3292e-05 deg tp 2458685.554179712915 (2019-Jul-21.05417971) 0.00043273 TDB period 1868.046160618132 5.11 2.3076e-05 6.318e-08 d yr n .1927147238593274 2.3806e-09 deg/d Q 3.081318323725498 2.5376e-08 au   Orbit Determination Parameters    # obs. used (total)      428      data-arc span      7358 days (20.15 yr)      first obs. used      2000-11-20      last obs. used      2021-01-12      planetary ephem.      DE441      SB-pert. ephem.      SB441-N16      condition code      0      norm. resid. RMS      .54292      source      ORB      producer      Otto Matic      solution date      2021-Apr-13 21:54:56   Additional Information  Earth MOID = 1.85851 au   Jupiter MOID = 1.97299 au   T_jup = 3.221  [ show covariance matrix ] [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ] Physical Parameter Table Parameter Symbol Value Units Sigma Reference Notes absolute magnitude H 15.6   n/a MPO440041   diameter diameter 5.595 km 0.983 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)   geometric albedo albedo 0.036   0.012 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)   187325 (2005 UL73)          Discovered 2005-Oct-23 by NEAT at Palomar Reference: 20080520/Numbers.arc Last Updated: 2008-05-22 [ show close-approach data ] Alternate Designations  2005 UL73 = 2000 WM137 = 2003 JJ6  [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ] 2021-Apr-17 17:59 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin