+ View the NASA Portal + Near-Earth Object (NEO) Program Search JPL JPL Small-Body Database Browser Search: [ help ]   48561 (1993 UZ2) Classification: Main-belt Asteroid          SPK-ID: 2048561 [ Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ] [ show orbit diagram ] Orbital Elements at Epoch 2456400.5 (2013-Apr-18.0) TDB Reference: JPL 1 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .2560219250716314 1.0166e-07   a 2.66057125596962 3.4929e-08 AU q 1.97940668122603 2.6747e-07 AU i 30.16451161284329 1.0526e-05 deg node 83.13433118900268 2.1904e-05 deg peri 309.0348485674039 2.8772e-05 deg M 171.1006700050133 2.7197e-05 deg tp 2455647.127126793186 (2011-Mar-26.62712679) 0.00011102 JED period 1585.114975566762 4.34 3.1215e-05 8.546e-08 d yr n .2271128628201126 4.4724e-09 deg/d Q 3.341735830713211 4.3871e-08 AU   Orbit Determination Parameters    # obs. used (total)      370      data-arc span      11887 days (32.54 yr)      first obs. used      1980-10-05      last obs. used      2013-04-22      planetary ephem.      DE405      SB-pert. ephem.      SB405-CPV-2      condition code      0      fit RMS      .618      data source      ORB      producer      Otto Matic      solution date      2013-Apr-29 16:17:36   Additional Information  Earth MOID = 1.07637 AU   T_jup = 3.151  [ show covariance matrix ] [ Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ] Physical Parameter Table Parameter Symbol Value Units Sigma Reference Notes absolute magnitude H 14.128 mag .46871 1 autocmod 2.5c 48561 (1993 UZ2)          Discovered 1993-Oct-21 by McNaught, R. H. at Siding Spring (413) Reference: 20021120/Numbers.arc Last Updated: 2004-04-19 Alternate Designations  1993 UZ2 = 1999 CM123  [ Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ] 2013-May-22 14:04 UT (server date/time)   Site Manager:   Donald K. Yeomans Webmaster:   Alan B. Chamberlin