+ 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 2459000.5 (2020-May-31.0) TDB Reference: JPL 32 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .1564307739401818 5.7149e-08   a 2.349922501748797 1.1337e-08 au q 1.982322306100784 1.3738e-07 au i 25.26361149159934 5.3964e-06 deg node 69.07298640111728 1.0145e-05 deg peri 163.6823708242127 2.0944e-05 deg M 260.548453857236 2.397e-05 deg tp 2459363.986072830243 (2021-May-29.48607283) 8.9242e-05 TDB period 1315.766232845122 3.60 9.5214e-06 2.607e-08 d yr n .2736048326924768 1.9799e-09 deg/d Q 2.717522697396809 1.311e-08 au   Orbit Determination Parameters    # obs. used (total)      2069      data-arc span      11981 days (32.80 yr)      first obs. used      1988-01-24      last obs. used      2020-11-12      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .42721      source      ORB      producer      Otto Matic      solution date      2020-Dec-18 02:23:41   Additional Information  Earth MOID = .975828 au   Jupiter MOID = 2.32152 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 13.5   n/a MPO452247   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-Jan-22 09:05 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin