+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   15090 (1999 CA97) Classification: Main-belt Asteroid          SPK-ID: 2015090 [ 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 32 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .08401389471668409 3.1552e-08   a 2.963953920325936 1.3579e-08 au q 2.71494060771857 9.4926e-08 au i 2.115024385006278 3.7485e-06 deg node 162.5967099531631 9.4766e-05 deg peri 152.090668770514 9.7606e-05 deg M 257.9769568663272 2.4944e-05 deg tp 2459528.703617056684 (2021-Nov-10.20361706) 0.00013043 TDB period 1863.826997311413 5.10 1.2808e-05 3.507e-08 d yr n .1931509740546216 1.3273e-09 deg/d Q 3.212967232933302 1.472e-08 au   Orbit Determination Parameters    # obs. used (total)      2400      data-arc span      15943 days (43.65 yr)      first obs. used      1976-10-22      last obs. used      2020-06-16      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .48473      source      ORB      producer      Otto Matic      solution date      2020-Jun-23 17:48:03   Additional Information  Earth MOID = 1.70134 au   Jupiter MOID = 2.00668 au   T_jup = 3.259  [ 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 13.0   n/a MPO296259   diameter diameter 6.691 km 0.190 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)   geometric albedo albedo 0.249   0.036 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)   15090 (1999 CA97)          Discovered 1999-Feb-10 by LINEAR at Socorro Reference: 20000523/Numbers.arc Last Updated: 2004-04-19 [ show close-approach data ] Alternate Designations  1999 CA97 = 1976 UG10 = 1991 RR15  [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ] 2020-Oct-29 01:22 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin