+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   249168 (2008 BJ36) Classification: Main-belt Asteroid          SPK-ID: 2249168 [ 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 13 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .1512123790265252 3.959e-08   a 2.376237371161109 1.3831e-08 au q 2.016920865136102 9.3391e-08 au i 2.774708020309327 5.5465e-06 deg node 154.6411946547173 9.4128e-05 deg peri 266.3150987966185 9.6408e-05 deg M 209.2715459123724 2.1492e-05 deg tp 2459560.677812968671 (2021-Dec-12.17781297) 8.2693e-05 TDB period 1337.929284085155 3.66 1.1681e-05 3.198e-08 d yr n .2690725169724943 2.3491e-09 deg/d Q 2.735553877186117 1.5922e-08 au   Orbit Determination Parameters    # obs. used (total)      404      data-arc span      9093 days (24.90 yr)      first obs. used      1994-05-15      last obs. used      2019-04-07      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .54573      source      ORB      producer      Otto Matic      solution date      2019-Jul-14 10:12:21   Additional Information  Earth MOID = 1.03191 au   Jupiter MOID = 2.57492 au   T_jup = 3.524  [ 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 16.9   n/a MPO422967   diameter diameter 1.786 km 0.193 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)   geometric albedo albedo 0.096   0.044 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)   249168 (2008 BJ36)          Discovered 2008-Jan-30 by Spacewatch at Kitt Peak Reference: 20100824/Numbers.arc Last Updated: 2010-08-27 [ show close-approach data ] Alternate Designations  2008 BJ36 = 2006 SO235  [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ] 2020-Sep-24 22:26 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin