+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   5726 Rubin (1988 BN2) Classification: Main-belt Asteroid          SPK-ID: 2005726 [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ] [ show orbit diagram ] Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB Reference: JPL 34 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .1563486715252079 5.6869e-08   a 2.349659425201692 1.0759e-08 au q 1.982293295534724 1.364e-07 au i 25.2628616965686 5.2966e-06 deg node 69.06772084594922 1.0139e-05 deg peri 163.7211344439663 2.0088e-05 deg M 315.231749806711 2.2537e-05 deg tp 2459364.096279265215 (2021-May-29.59627927) 8.3004e-05 TDB period 1315.545286697537 3.60 9.0354e-06 2.474e-08 d yr n .2736507846899909 1.8795e-09 deg/d Q 2.71702555486866 1.2441e-08 au   Orbit Determination Parameters    # obs. used (total)      2166      data-arc span      12048 days (32.99 yr)      first obs. used      1988-01-24      last obs. used      2021-01-18      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .4246      source      ORB      producer      Otto Matic      solution date      2021-Feb-24 01:26:37   Additional Information  Earth MOID = .974322 au   Jupiter MOID = 2.32092 au   T_jup = 3.415  [ 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 13.54   n/a E2021B10   diameter diameter 5.233 km 0.282 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M)   geometric albedo albedo 0.328   0.070 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M)   5726 Rubin (1988 BN2)          Discovered 1988-Jan-24 by Shoemaker, C. S. at Palomar Reference: DISCOVERY.DB Last Updated: 2003-08-29 [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ] 2021-Mar-03 03:27 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin