+ 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 | 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 .2588946049134572 5.2705e-08   a 2.342682305656925 1.0398e-08 au q 1.736174495696128 1.2216e-07 au i 24.92418357964827 7.2089e-06 deg node 334.2710521491639 9.6071e-06 deg peri 37.23851932483721 1.4465e-05 deg M 130.3629170652109 1.3469e-05 deg tp 2458526.236074144100 (2019-Feb-11.73607414) 4.7056e-05 TDB period 1309.690034189077 3.59 8.7199e-06 2.387e-08 d yr n .2748741996978711 1.8301e-09 deg/d Q 2.949190115617722 1.309e-08 au   Orbit Determination Parameters    # obs. used (total)      1548      data-arc span      15778 days (43.20 yr)      first obs. used      1977-02-16      last obs. used      2020-04-29      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .3953      source      ORB      producer      Otto Matic      solution date      2020-May-20 02:08:29   Additional Information  Earth MOID = .770424 au   Jupiter MOID = 2.61069 au   T_jup = 3.397  [ 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 13.0   n/a MPO502196   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 [ show close-approach data ] Alternate Designations  1986 RB = 1977 DB  [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ] 2020-Aug-09 00:03 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin