+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   16065 Borel (1999 RE35) Classification: Main-belt Asteroid          SPK-ID: 2016065 [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ] [ show orbit diagram ] Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB Reference: JPL 30 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .04275414151813162 3.7907e-08   a 2.662741772351938 1.3736e-08 au q 2.548898533790562 1.0116e-07 au i 3.432323236471584 4.0139e-06 deg node 60.99322949447027 7.8735e-05 deg peri 166.9937673604539 9.5293e-05 deg M 72.17252440724428 5.3582e-05 deg tp 2458882.328409241758 (2020-Feb-02.82840924) 0.00023623 TDB period 1587.05509629465 4.35 1.2281e-05 3.362e-08 d yr n .2268352250911162 1.7553e-09 deg/d Q 2.776585010913313 1.4324e-08 au   Orbit Determination Parameters    # obs. used (total)      1176      data-arc span      13797 days (37.77 yr)      first obs. used      1982-11-07      last obs. used      2020-08-16      planetary ephem.      DE441      SB-pert. ephem.      SB441-N16      condition code      0      norm. resid. RMS      .57028      source      ORB      producer      Otto Matic      solution date      2021-Apr-13 01:19:04   Additional Information  Earth MOID = 1.53721 au   Jupiter MOID = 2.19239 au   T_jup = 3.381  [ 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 14.76   n/a E2020-QM5   diameter diameter 2.722 km 1.067 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)   geometric albedo albedo 0.198   0.122 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)   16065 Borel           Discovered 1999 Sept. 11 by P. G. Comba at Prescott. Émile Borel (1871-1956) was a prolific French mathematician who for a time was also minister of the navy. His main contributions were in set theory, function theory and measure theory. NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character) Reference: 20001111/MPCPages.arc Last Updated: 2013-03-29 [ show close-approach data ] Alternate Designations  1999 RE35 = 1989 EJ7  [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ] 2021-May-08 08:41 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin