+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   78905 Seanokeefe (2003 SK85) Classification: Main-belt Asteroid          SPK-ID: 2078905 [ 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 25 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .2534003964471717 4.2827e-08   a 2.413926259100382 9.9202e-09 au q 1.802236388050107 1.0281e-07 au i 21.44321155402645 4.9503e-06 deg node 211.5970954616114 1.1813e-05 deg peri 292.042537440678 1.4703e-05 deg M 34.58360971388274 7.5532e-06 deg tp 2458868.901103938356 (2020-Jan-20.40110394) 2.873e-05 TDB period 1369.885994381151 3.75 8.4444e-06 2.312e-08 d yr n .2627955913679013 1.62e-09 deg/d Q 3.025616130150656 1.2434e-08 au   Orbit Determination Parameters    # obs. used (total)      1350      data-arc span      8061 days (22.07 yr)      first obs. used      1998-06-19      last obs. used      2020-07-14      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .46571      source      ORB      producer      Otto Matic      solution date      2020-Nov-12 21:25:05   Additional Information  Earth MOID = .90902 au   Jupiter MOID = 2.26858 au   T_jup = 3.382  [ 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 14.6   n/a MPO459360   diameter diameter 3.584 km 1.250 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)   geometric albedo albedo 0.181   0.115 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)   78905 Seanokeefe           Discovered 2003 Sept. 16 by the Near-Earth Tracking (NEAT) project at Palomar Observatory. Named in honor of Sean O'Keefe (b. 1956), for his vision and leadership in advancing the spirit of exploration during his tenure as the tenth NASA administrator, 2001-2004. NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character) Reference: 20050407/MPCPages.arc Last Updated: 2005-04-15 Alternate Designations  2003 SK85 = 2001 CP42  [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ] 2021-Jan-28 06:14 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin