+ View the NASA Portal + Near-Earth Object (NEO) Program Search JPL JPL Small-Body Database Browser Search: [ help ]   35103 (1991 RZ14) Classification: Main-belt Asteroid          SPK-ID: 2035103 [ 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 .06654786214172671 6.4189e-08   a 2.906442065929324 2.9306e-08 AU q 2.713024560002944 1.8066e-07 AU i 1.496854380320521 7.8212e-06 deg node 195.9049698384941 0.00020278 deg peri 215.1082307416435 0.00021541 deg M 76.24985098631151 6.5143e-05 deg tp 2456017.165920252289 (2012-Mar-30.66592025) 0.00032795 JED period 1809.843126564929 4.96 2.7373e-05 7.494e-08 d yr n .1989122674313092 3.0085e-09 deg/d Q 3.099859571855704 3.1256e-08 AU   Orbit Determination Parameters    # obs. used (total)      1091      data-arc span      10632 days (29.11 yr)      first obs. used      1984-03-05      last obs. used      2013-04-14      planetary ephem.      DE405      SB-pert. ephem.      SB405-CPV-2      condition code      0      fit RMS      .52545      data source      ORB      producer      Otto Matic      solution date      2013-Apr-29 15:17:31   Additional Information  Earth MOID = 1.72284 AU   T_jup = 3.281  [ 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 13.0 mag n/a PDS3 (MPO 24104)   35103 (1991 RZ14)          Discovered 1991-Sep-15 by Holt, H. E. at Palomar (675) Reference: 20020227/Numbers.arc Last Updated: 2004-04-19 Alternate Designations  1991 RZ14 = 1999 DA1  [ Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ] 2013-May-24 13:15 UT (server date/time)   Site Manager:   Donald K. Yeomans Webmaster:   Alan B. Chamberlin