+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   300931 (2008 CS97) Classification: Main-belt Asteroid          SPK-ID: 2300931 [ 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 12 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .1104785127601718 5.6777e-08   a 3.153105585403791 4.3562e-08 au q 2.804755169752589 1.8156e-07 au i 3.251022048724759 5.2686e-06 deg node 101.2016368052444 0.00011883 deg peri 253.4403613893197 0.00012163 deg M 219.5305416371457 2.8482e-05 deg tp 2459798.468237049855 (2022-Aug-06.96823705) 0.00016859 TDB period 2045.060675010855 5.60 4.238e-05 1.16e-07 d yr n .1760338968906579 3.648e-09 deg/d Q 3.501456001054992 4.8375e-08 au   Orbit Determination Parameters    # obs. used (total)      223      data-arc span      5353 days (14.66 yr)      first obs. used      2005-08-30      last obs. used      2020-04-26      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .56335      source      ORB      producer      Otto Matic      solution date      2020-May-21 19:37:56   Additional Information  Earth MOID = 1.80208 au   Jupiter MOID = 1.92752 au   T_jup = 3.195  [ hide covariance matrix ] Orbital Elements at Epoch 2457409.5 (2016-Jan-22.0) TDB Reference: JPL 12 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .1095408987285499 5.6871e-08   q 2.809342091654814 1.8191e-07 au tp 2457755.186617321213 (2017-Jan-01.68661732) 0.00015527 TDB node 101.2102766216469 0.00011881 deg peri 253.9564638098276 0.00012165 deg i 3.250744070567423 5.2678e-06 deg   Orbit Determination Parameters    # obs. used (total)      223      data-arc span      5353 days (14.66 yr)      first obs. used      2005-08-30      last obs. used      2020-04-26      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .56335      source      ORB      producer      Otto Matic      solution date      2020-May-21 19:37:56   Additional Information  Jupiter MOID = 1.92752 au   T_jup = 3.195  Orbit Covariance (6×6)   e q tp node peri i e 3.234297345603492E-15 -1.010712897062576E-14 2.140547444299096E-12 -8.55118755402675E-15 3.632491366795223E-13 7.315661472720552E-16 q -1.010712897062576E-14 3.309026723229713E-14 -5.464288024607698E-12 2.651406673149157E-14 -9.777183228760399E-13 -1.479034281302123E-15 tp 2.140547444299096E-12 -5.464288024607698E-12 2.411010161768638E-8 -4.478296535049948E-11 4.137227707897114E-9 1.028660595163794E-12 node -8.55118755402675E-15 2.651406673149157E-14 -4.478296535049948E-11 1.41162682360978E-8 -1.410080052136665E-8 -5.310025832207672E-11 peri 3.632491366795223E-13 -9.777183228760399E-13 4.137227707897114E-9 -1.410080052136665E-8 1.479934327647162E-8 5.317442523612389E-11 i 7.315661472720552E-16 -1.479034281302123E-15 1.028660595163794E-12 -5.310025832207672E-11 5.317442523612389E-11 2.775015543842888E-11 [ 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 15.9   n/a MPO433940   300931 (2008 CS97)          Discovered 2008-Feb-09 by Spacewatch at Kitt Peak Reference: 20111012/Numbers.arc Last Updated: 2011-10-13 [ show close-approach data ] [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ] 2020-Oct-24 21:58 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin