+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   187358 (2005 UZ250) Classification: Main-belt Asteroid          SPK-ID: 2187358 [ 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 23 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .06060489909608473 5.8033e-08   a 2.919873596134636 2.7967e-08 au q 2.742914951467574 1.671e-07 au i 10.37493835566483 5.5988e-06 deg node 264.9879282948572 3.1901e-05 deg peri 313.7164613207141 5.7674e-05 deg M 185.8391395470952 5.2015e-05 deg tp 2460082.142594842478 (2023-May-17.64259484) 0.00026702 TDB period 1822.403342047789 4.99 2.6183e-05 7.169e-08 d yr n .1975413409829885 2.8381e-09 deg/d Q 3.096832240801698 2.9662e-08 au   Orbit Determination Parameters    # obs. used (total)      555      data-arc span      7851 days (21.49 yr)      first obs. used      1999-07-13      last obs. used      2021-01-09      planetary ephem.      DE441      SB-pert. ephem.      SB441-N16      condition code      0      norm. resid. RMS      .55403      source      ORB      producer      Otto Matic      solution date      2021-Apr-13 21:55:06   Additional Information  Earth MOID = 1.74294 au   Jupiter MOID = 1.96591 au   T_jup = 3.253  [ 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 15.1   n/a MPO299973   diameter diameter 5.420 km 0.442 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)   geometric albedo albedo 0.072   0.015 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)   187358 (2005 UZ250)          Discovered 2005-Oct-23 by CSS at Catalina Reference: 20080520/Numbers.arc Last Updated: 2008-05-22 [ show close-approach data ] Alternate Designations  2005 UZ250 = 2002 AB85 = 2004 PX4  [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ] 2021-Apr-23 06:19 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin