+ 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 2459200.5 (2020-Dec-17.0) TDB Reference: JPL 36 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .08414857896832917 1.9407e-08   a 2.963949862760492 1.2217e-08 au q 2.714537693675822 6.0905e-08 au i 2.115050321663738 1.3939e-06 deg node 162.5963176065701 3.6687e-05 deg peri 152.1034583745013 3.1621e-05 deg M 296.6098472100716 1.2503e-05 deg tp 2459528.688987559411 (2021-Nov-10.18898756) 6.5069e-05 TDB period 1863.823170026493 5.10 1.1524e-05 3.155e-08 d yr n .193151370682275 1.1943e-09 deg/d Q 3.213362031845162 1.3245e-08 au   Orbit Determination Parameters    # obs. used (total)      2479      data-arc span      15977 days (43.74 yr)      first obs. used      1976-10-22      last obs. used      2020-07-20      planetary ephem.      DE441      SB-pert. ephem.      SB441-N16      condition code      0      norm. resid. RMS      .47848      source      ORB      producer      Otto Matic      solution date      2021-Apr-13 00:47:18   Additional Information  Earth MOID = 1.69895 au   Jupiter MOID = 2.00571 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 13.07   n/a E2021B10   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 ] 2021-Apr-16 11:16 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin