+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   58255 (1993 RS5) Classification: Main-belt Asteroid          SPK-ID: 2058255 [ 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 28 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .06448919291288341 2.6622e-08   a 2.254520517654402 6.3599e-09 au q 2.109128309065333 6.1078e-08 au i 4.230799499859726 3.4849e-06 deg node 204.4024730242403 3.9222e-05 deg peri 272.5425961436904 4.8358e-05 deg M 211.7084600980505 2.9066e-05 deg tp 2459509.823352662793 (2021-Oct-22.32335266) 0.00010042 TDB period 1236.458985319331 3.39 5.232e-06 1.432e-08 d yr n .2911540166510461 1.232e-09 deg/d Q 2.39991272624347 6.77e-09 au   Orbit Determination Parameters    # obs. used (total)      1869      data-arc span      9918 days (27.15 yr)      first obs. used      1993-09-15      last obs. used      2020-11-10      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .5053      source      ORB      producer      Otto Matic      solution date      2020-Dec-18 03:56:59   Additional Information  Earth MOID = 1.13031 au   Jupiter MOID = 2.64388 au   T_jup = 3.618  [ 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 14.9   n/a MPO436189   diameter diameter 4.802 km 0.147 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)   geometric albedo albedo 0.070   0.018 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)   58255 (1993 RS5)          Discovered 1993-Sep-15 by Elst, E. W. at La Silla Reference: 20030614/Numbers.arc Last Updated: 2004-04-19 [ show close-approach data ] Alternate Designations  1993 RS5 = 2000 RH72  [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ] 2021-Jan-22 17:40 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin