+ 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 13 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .110478516313632 5.6475e-08   a 3.153105591240463 4.257e-08 au q 2.80475516374 1.8127e-07 au i 3.251023823471664 5.0732e-06 deg node 101.2016469782946 0.00011856 deg peri 253.440348337475 0.00012129 deg M 219.5305432101764 2.8379e-05 deg tp 2459798.468230329565 (2022-Aug-06.96823033) 0.00016827 TDB period 2045.060680689232 5.60 4.1416e-05 1.134e-07 d yr n .1760338964018768 3.5649e-09 deg/d Q 3.501456018740927 4.7273e-08 au   Orbit Determination Parameters    # obs. used (total)      229      data-arc span      5383 days (14.74 yr)      first obs. used      2005-08-30      last obs. used      2020-05-26      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .57587      source      ORB      producer      Otto Matic      solution date      2020-Nov-11 19:29:03   Additional Information  Earth MOID = 1.80208 au   Jupiter MOID = 1.92752 au   T_jup = 3.195  [ hide covariance matrix ] Orbital Elements at Epoch 2457503.5 (2016-Apr-25.0) TDB Reference: JPL 13 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .1095831024183338 5.6569e-08   q 2.809500095284876 1.8162e-07 au tp 2457754.973703558061 (2017-Jan-01.47370356) 0.00015401 TDB node 101.2098624719253 0.00011855 deg peri 253.9102677020526 0.00012131 deg i 3.250616699340374 5.0723e-06 deg   Orbit Determination Parameters    # obs. used (total)      229      data-arc span      5383 days (14.74 yr)      first obs. used      2005-08-30      last obs. used      2020-05-26      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .57587      source      ORB      producer      Otto Matic      solution date      2020-Nov-11 19:29:03   Additional Information  Jupiter MOID = 1.92752 au   T_jup = 3.195  Orbit Covariance (6×6)   e q tp node peri i e 3.199995550940643E-15 -1.004749947582669E-14 2.254468266678593E-12 -7.729945120517453E-15 3.88978234422273E-13 8.654650326160647E-16 q -1.004749947582669E-14 3.298753046690207E-14 -5.662954329394539E-12 2.402089706632898E-14 -1.021379724154878E-12 -1.916742717721212E-15 tp 2.254468266678593E-12 -5.662954329394539E-12 2.371996917637676E-8 -4.30306036232968E-11 4.044072458900638E-9 1.413384325368829E-12 node -7.729945120517453E-15 2.402089706632898E-14 -4.30306036232968E-11 1.405436792034134E-8 -1.403872682833727E-8 -6.434463546574367E-11 peri 3.88978234422273E-13 -1.021379724154878E-12 4.044072458900638E-9 -1.403872682833727E-8 1.471573205903769E-8 6.446639486532685E-11 i 8.654650326160647E-16 -1.916742717721212E-15 1.413384325368829E-12 -6.434463546574367E-11 6.446639486532685E-11 2.572822484489049E-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 ] 2021-Jan-15 19:27 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin