+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   359138 (2009 BR88) Classification: Main-belt Asteroid          SPK-ID: 2359138 [ 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 6 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .0703533461498102 9.1211e-08   a 2.41409605687649 4.0165e-08 au q 2.244256321348167 2.336e-07 au i 1.962172299711138 9.8376e-06 deg node 274.7502210415822 0.00032321 deg peri 152.2370949940287 0.000336 deg M 66.58327649493003 9.613e-05 deg tp 2458747.107994584280 (2019-Sep-20.60799458) 0.00036243 TDB period 1370.030535469449 3.75 3.4191e-05 9.361e-08 d yr n .2627678658831089 6.5578e-09 deg/d Q 2.583935792404814 4.2991e-08 au   Orbit Determination Parameters    # obs. used (total)      49      data-arc span      4005 days (10.97 yr)      first obs. used      2007-08-24      last obs. used      2018-08-11      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .53306      source      ORB      producer      Otto Matic      solution date      2019-Jul-13 14:28:05   Additional Information  Earth MOID = 1.25825 au   Jupiter MOID = 2.59485 au   T_jup = 3.514  [ 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 17.9   n/a MPO455591   359138 (2009 BR88)          Discovered 2009-Jan-25 by Spacewatch at Kitt Peak Reference: 20130327/Numbers.arc Last Updated: 2013-03-29 [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ] 2020-Jul-04 00:56 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin