+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   226538 (2003 UZ195) Classification: Main-belt Asteroid          SPK-ID: 2226538 [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ] [ show orbit diagram ] Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB Reference: JPL 14 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .1311529183755484 6.4683e-08   a 3.183923770790745 3.5747e-08 au q 2.766342876366258 2.0832e-07 au i 6.01087590811427 6.1236e-06 deg node 71.40232735280597 6.4506e-05 deg peri 317.1490431511172 6.7781e-05 deg M 342.8806392503997 2.2654e-05 deg tp 2459099.179618513206 (2020-Sep-06.67961851) 0.00013122 TDB period 2075.116190631327 5.68 3.4947e-05 9.568e-08 d yr n .1734842615682521 2.9217e-09 deg/d Q 3.601504665215232 4.0436e-08 au   Orbit Determination Parameters    # obs. used (total)      310      data-arc span      8424 days (23.06 yr)      first obs. used      1995-04-26      last obs. used      2018-05-19      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .61803      source      ORB      producer      Otto Matic      solution date      2018-Oct-04 08:46:15   Additional Information  Earth MOID = 1.77553 au   Jupiter MOID = 1.84294 au   T_jup = 3.177  [ 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 15.3   n/a MPO450050   diameter diameter 4.404 km 0.587 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)   geometric albedo albedo 0.076   0.025 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)   226538 (2003 UZ195)          Discovered 2003-Oct-20 by Spacewatch at Kitt Peak Reference: 20091202/Numbers.arc Last Updated: 2009-12-04 [ show close-approach data ] Alternate Designations  2003 UZ195 = 1995 HR4  [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ] 2020-Oct-29 17:57 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin