+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   160573 (1999 CS142) Classification: Main-belt Asteroid          SPK-ID: 2160573 [ 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 .1917401985031862 5.8817e-08   a 2.174683259882633 8.4031e-09 au q 1.757709059951181 1.2576e-07 au i 6.324725790979046 7.7019e-06 deg node 135.0992137018746 3.1472e-05 deg peri 139.5287516561335 3.4931e-05 deg M 114.3824185860477 1.4485e-05 deg tp 2458628.323267626400 (2019-May-24.82326763) 4.664e-05 TDB period 1171.365541232219 3.21 6.7893e-06 1.859e-08 d yr n .3073336096444307 1.7813e-09 deg/d Q 2.591657459814085 1.0014e-08 au   Orbit Determination Parameters    # obs. used (total)      350      data-arc span      7596 days (20.80 yr)      first obs. used      1999-01-15      last obs. used      2019-11-02      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .57338      source      ORB      producer      Otto Matic      solution date      2019-Dec-04 13:52:00   Additional Information  Earth MOID = .747051 au   Jupiter MOID = 2.53911 au   T_jup = 3.654  [ hide covariance matrix ] Orbital Elements at Epoch 2457333.5 (2015-Nov-07.0) TDB Reference: JPL 13 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .1913971367840639 5.8802e-08   q 1.758471911055031 1.2571e-07 au tp 2457457.101293059746 (2016-Mar-09.60129306) 4.5845e-05 TDB node 135.1253034212468 3.1479e-05 deg peri 139.582270238394 3.4941e-05 deg i 6.323774649038131 7.7006e-06 deg   Orbit Determination Parameters    # obs. used (total)      350      data-arc span      7596 days (20.80 yr)      first obs. used      1999-01-15      last obs. used      2019-11-02      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .57338      source      ORB      producer      Otto Matic      solution date      2019-Dec-04 13:52:00   Additional Information  Jupiter MOID = 2.53911 au   T_jup = 3.654  Orbit Covariance (6×6)   e q tp node peri i e 3.457660359536596E-15 -7.382635172643604E-15 1.733849264267362E-12 -1.294676395603405E-14 5.733415470504102E-13 -9.197320892125569E-15 q -7.382635172643604E-15 1.580415990029633E-14 -3.752354921637969E-12 2.700417347263761E-14 -1.240499492236998E-12 1.967924807161385E-14 tp 1.733849264267362E-12 -3.752354921637969E-12 2.101790935852198E-9 -7.303691501389279E-12 6.999067998942075E-10 -5.508391772480704E-12 node -1.294676395603405E-14 2.700417347263761E-14 -7.303691501389279E-12 9.909287438667639E-10 -9.864663865055237E-10 -2.313695303347995E-12 peri 5.733415470504102E-13 -1.240499492236998E-12 6.999067998942075E-10 -9.864663865055237E-10 1.220888861986885E-9 5.357362076815504E-13 i -9.197320892125569E-15 1.967924807161385E-14 -5.508391772480704E-12 -2.313695303347995E-12 5.357362076815504E-13 5.929960739312969E-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 17.2   n/a MPO433027   160573 (1999 CS142)          Discovered 1999-Feb-10 by Spacewatch at Kitt Peak Reference: 20070828/Numbers.arc Last Updated: 2007-08-30 [ show close-approach data ] Alternate Designations  1999 CS142 = 2006 KC23  [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ] 2021-Jan-22 11:56 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin