+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   101225 (1998 SO65) Classification: Main-belt Asteroid          SPK-ID: 2101225 [ 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 20 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .163876131794573 4.77e-08   a 2.317319833762992 7.1582e-09 au q 1.93756642327507 1.1238e-07 au i 4.702607049858449 3.1095e-06 deg node 88.54624877820889 5.9279e-05 deg peri 254.7945102926942 6.0746e-05 deg M 77.43313553811012 1.1587e-05 deg tp 2458723.358387225151 (2019-Aug-27.85838723) 4.1608e-05 TDB period 1288.479149211793 3.53 5.9702e-06 1.635e-08 d yr n .2793991662342571 1.2946e-09 deg/d Q 2.697073244250914 8.3313e-09 au   Orbit Determination Parameters    # obs. used (total)      817      data-arc span      8067 days (22.09 yr)      first obs. used      1998-09-18      last obs. used      2020-10-19      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .54962      source      ORB      producer      Otto Matic      solution date      2020-Nov-12 20:01:45   Additional Information  Earth MOID = .936003 au   Jupiter MOID = 2.70048 au   T_jup = 3.558  [ 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 15.5   n/a MPO400923   diameter diameter 2.650 km 0.496 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)   geometric albedo albedo 0.191   0.061 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)   101225 (1998 SO65)          Discovered 1998-Sep-20 by Elst, E. W. at La Silla Reference: 20051019/Numbers.arc Last Updated: 2005-10-26 Alternate Designations  1998 SO65 = 2002 YF24  [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ] 2021-Jan-28 07:00 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin