+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   15108 (2000 CT61) Classification: Main-belt Asteroid          SPK-ID: 2015108 [ 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 29 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .01857381749705726 3.7378e-08   a 3.188024062815961 1.9915e-08 au q 3.128810285696991 1.2253e-07 au i 6.990757646904942 4.5385e-06 deg node 200.4095016342274 3.2214e-05 deg peri 106.9122260150187 0.00012998 deg M 56.95388455129807 0.00012436 deg tp 2458671.571380156216 (2019-Jul-07.07138016) 0.00071883 TDB period 2079.126017069251 5.69 1.9482e-05 5.334e-08 d yr n .1731496778186914 1.6225e-09 deg/d Q 3.247237839934932 2.0285e-08 au   Orbit Determination Parameters    # obs. used (total)      1550      data-arc span      14987 days (41.03 yr)      first obs. used      1979-07-24      last obs. used      2020-08-04      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .52257      source      ORB      producer      Otto Matic      solution date      2020-Aug-25 00:57:13   Additional Information  Earth MOID = 2.12424 au   Jupiter MOID = 1.78526 au   T_jup = 3.186  [ 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 13.3   n/a MPO492920   diameter diameter 13.880 km 0.224 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)   geometric albedo albedo 0.058   0.006 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)   15108 (2000 CT61)          Discovered 2000-Feb-02 by LINEAR at Socorro Reference: 20000523/Numbers.arc Last Updated: 2004-04-19 [ show close-approach data ] Alternate Designations  2000 CT61 = 1979 ON9 = 1998 XV89  [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ] 2020-Oct-29 01:25 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin