+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   357535 (2004 RO196) Classification: Outer Main-belt Asteroid          SPK-ID: 2357535 [ 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 18 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .09521163748275853 3.9795e-08   a 3.204038425711339 3.7556e-08 au q 2.898976680641683 1.3911e-07 au i 13.44833127224176 5.405e-06 deg node 225.5171685626341 1.8865e-05 deg peri 95.30049080105985 3.6219e-05 deg M 306.2230894250814 3.0085e-05 deg tp 2459313.423622263197 (2021-Apr-08.92362226) 0.00017641 TDB period 2094.811747465679 5.74 3.6831e-05 1.008e-07 d yr n .1718531512130057 3.0216e-09 deg/d Q 3.509100170780996 4.1132e-08 au   Orbit Determination Parameters    # obs. used (total)      438      data-arc span      5822 days (15.94 yr)      first obs. used      2004-09-10      last obs. used      2020-08-19      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .57035      source      ORB      producer      Otto Matic      solution date      2020-Nov-11 16:27:03   Additional Information  Earth MOID = 1.9282 au   Jupiter MOID = 1.80963 au   T_jup = 3.143  [ 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 15.0   n/a MPO437509   diameter diameter 5.867 km 0.244 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)   geometric albedo albedo 0.056   0.006 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)   357535 (2004 RO196)          Discovered 2004-Sep-10 by LINEAR at Socorro Reference: 20130327/Numbers.arc Last Updated: 2013-03-29 [ show close-approach data ] Alternate Designations  2004 RO196 = 2008 GJ134  [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ] 2021-Jan-28 16:35 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin