+ 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  [ hide covariance matrix ] Orbital Elements at Epoch 2456886.5 (2014-Aug-17.0) TDB Reference: JPL 34 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .156505912910827 5.6817e-08   q 1.98210894454916 1.3627e-07 au tp 2456733.121117542645 (2014-Mar-16.62111754) 7.4129e-05 TDB node 69.09878410081205 1.0143e-05 deg peri 163.7512299538931 2.0112e-05 deg i 25.25861926123523 5.2958e-06 deg   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  Jupiter MOID = 2.32092 au   T_jup = 3.415  Orbit Covariance (6×6)   e q tp node peri i e 3.228118090094665E-15 -7.72697516174838E-15 -1.826967816163229E-12 2.562944959644496E-15 -3.398586150225282E-13 -6.209190467583222E-15 q -7.72697516174838E-15 1.8570691445856E-14 4.563180500339641E-12 -7.384606014882356E-15 8.59099140172103E-13 1.667418231133114E-14 tp -1.826967816163229E-12 4.563180500339641E-12 5.495039363196109E-9 -1.155804215534413E-11 1.297565955203442E-9 3.032801535563996E-11 node 2.562944959644496E-15 -7.384606014882356E-15 -1.155804215534413E-11 1.028745622606956E-10 -9.536074054699205E-11 -5.838781834554292E-12 peri -3.398586150225282E-13 8.59099140172103E-13 1.297565955203442E-9 -9.536074054699205E-11 4.04483043538149E-10 1.233382185752054E-11 i -6.209190467583222E-15 1.667418231133114E-14 3.032801535563996E-11 -5.838781834554292E-12 1.233382185752054E-11 2.804530679207418E-11 [ 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-01 23:34 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin