+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   4482 Frerebasile (1986 RB) Classification: Main-belt Asteroid          SPK-ID: 2004482 [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ] [ show orbit diagram ] Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB Reference: JPL 34 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .2592598862729035 1.038e-08   a 2.342024670887901 8.4364e-09 au q 1.734831621065169 2.2631e-08 au i 24.92671493065949 7.4321e-07 deg node 334.2746323378464 1.7349e-06 deg peri 37.23406406002044 5.6611e-06 deg M 239.2407245921997 4.8823e-06 deg tp 2459835.640632427838 (2022-Sep-13.14063243) 1.9457e-05 TDB period 1309.138591136412 3.58 7.0737e-06 1.937e-08 d yr n .2749899838240182 1.4859e-09 deg/d Q 2.949217720710632 1.0624e-08 au   Orbit Determination Parameters    # obs. used (total)      1771      data-arc span      16199 days (44.35 yr)      first obs. used      1977-02-16      last obs. used      2021-06-24      planetary ephem.      DE441      SB-pert. ephem.      SB441-N16      condition code      0      norm. resid. RMS      .40107      source      ORB      producer      Otto Matic      solution date      2021-Jul-07 23:12:52   Additional Information  Earth MOID = .768304 au   Jupiter MOID = 2.61188 au   T_jup = 3.397  [ show covariance matrix ] [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ] Physical Parameter Table Parameter Symbol Value Units Sigma Reference Notes absolute magnitude H 13.09   n/a MPCxxxxx   diameter diameter 7.064 km 0.204 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)   geometric albedo albedo 0.294   0.045 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)   4482 Frerebasile (1986 RB)          Discovered 1986-Sep-01 by Maury, A. at Palomar Reference: DISCOVERY.DB Last Updated: 2003-08-29 Alternate Designations  1986 RB = 1977 DB  [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ] 2021-Aug-01 04:23 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin