+ 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 2459200.5 (2020-Dec-17.0) TDB Reference: JPL 17 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .1313141913753912 5.282e-08   a 3.184513642947014 2.3158e-08 au q 2.766341808999526 1.7017e-07 au i 6.010631821775225 5.3707e-06 deg node 71.40419565373436 4.7176e-05 deg peri 317.1906192203247 5.0778e-05 deg M 17.53970640166149 1.6462e-05 deg tp 2459099.369322610660 (2020-Sep-06.86932261) 9.5126e-05 TDB period 2075.692889403996 5.68 2.2642e-05 6.199e-08 d yr n .1734360616822119 1.8919e-09 deg/d Q 3.602685476894502 2.6199e-08 au   Orbit Determination Parameters    # obs. used (total)      431      data-arc span      9391 days (25.71 yr)      first obs. used      1995-04-26      last obs. used      2021-01-10      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .58462      source      ORB      producer      Otto Matic      solution date      2021-Feb-24 13:09:26   Additional Information  Earth MOID = 1.77435 au   Jupiter MOID = 1.84276 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 ] 2021-Mar-01 17:38 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin