+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   359486 (2010 OB39) Classification: Main-belt Asteroid          SPK-ID: 2359486 [ 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 15 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .1756161995745605 6.0445e-08   a 2.629907124185989 3.772e-08 au q 2.168052829802384 1.6402e-07 au i 15.53720269943022 8.9585e-06 deg node 33.29364635065826 2.4195e-05 deg peri 271.816554865035 3.4279e-05 deg M 153.9342523474676 2.447e-05 deg tp 2458334.396355112709 (2018-Aug-03.89635511) 0.00010276 TDB period 1557.790475495623 4.26 3.3515e-05 9.176e-08 d yr n .2310965471049392 4.9719e-09 deg/d Q 3.091761418569594 4.4345e-08 au   Orbit Determination Parameters    # obs. used (total)      295      data-arc span      5370 days (14.70 yr)      first obs. used      2005-02-18      last obs. used      2019-11-02      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .68317      source      ORB      producer      Otto Matic      solution date      2019-Dec-04 23:25:41   Additional Information  Earth MOID = 1.22072 au   Jupiter MOID = 2.31666 au   T_jup = 3.327  [ 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 15.7   n/a MPO503415   diameter diameter 2.088 km 0.393 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)   geometric albedo albedo 0.233   0.075 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)   359486 (2010 OB39)          Discovered 2009-Feb-27 by Mt. Lemmon Survey at Mount Lemmon Reference: 20130327/Numbers.arc Last Updated: 2013-03-29 [ hide close-approach data ] Close-Approach Data   ...sorted by Date/Time (TDB) Date/Time (TDB) Time Uncertainty (days_HH:MM) Body Nominal Distance (au) Minimum Distance (au) Maximum Distance (au) V-relative (km/s) V-infinity (km/s) JD (TDB) Time Uncertainty (minutes) Semi-major axis (km) Semi-minor axis (km) range-LOV angle (deg) N-sigma BP Orbit Ref. Reference Modified 2140-Nov-08 09:59 00:19 Hebe 0.0320430543518889 0.0318900866483557 0.0321961555956794 7.7537813180993 7.75378129307799 2502990.916003854 19.0851743342461 8298.14547112482 205.670947736607 -23.1585078569602 9179.47993651991 T 15 CATAB v2.0f-lin.ifort 2019-Dec-04 23:25:44 2019-Dec-04 23:25 Alternate Designations  2010 OB39 = 2009 HC107 = 2010 SV30  [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ] 2020-Jul-04 18:47 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin