+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   160972 (2002 CX23) Classification: Main-belt Asteroid          SPK-ID: 2160972 [ 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 15 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .07106930374354627 4.9352e-08   a 2.393807842599142 1.3206e-08 au q 2.223681585929781 1.1615e-07 au i 6.665170175822642 4.555e-06 deg node 183.5883320226429 4.4518e-05 deg peri 46.79402669442855 5.6994e-05 deg M 302.1199379982274 3.9283e-05 deg tp 2459417.999790011303 (2021-Jul-22.49979001) 0.00014862 TDB period 1352.796139051669 3.70 1.1195e-05 3.065e-08 d yr n .2661154845196154 2.2021e-09 deg/d Q 2.563934099268504 1.4145e-08 au   Orbit Determination Parameters    # obs. used (total)      455      data-arc span      10569 days (28.94 yr)      first obs. used      1991-02-19      last obs. used      2020-01-27      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .61201      source      ORB      producer      Otto Matic      solution date      2020-Feb-24 13:28:28   Additional Information  Earth MOID = 1.21896 au   Jupiter MOID = 2.41372 au   T_jup = 3.518  [ hide covariance matrix ] Orbital Elements at Epoch 2457394.5 (2016-Jan-07.0) TDB Reference: JPL 15 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .07167294977014918 4.9303e-08   q 2.221902314504059 1.161e-07 au tp 2458066.550377311045 (2017-Nov-09.05037731) 0.00014159 TDB node 183.6153184992032 4.4498e-05 deg peri 47.16081960646815 5.6808e-05 deg i 6.666530740237052 4.5562e-06 deg   Orbit Determination Parameters    # obs. used (total)      455      data-arc span      10569 days (28.94 yr)      first obs. used      1991-02-19      last obs. used      2020-01-27      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .61201      source      ORB      producer      Otto Matic      solution date      2020-Feb-24 13:28:28   Additional Information  Jupiter MOID = 2.41372 au   T_jup = 3.518  Orbit Covariance (6×6)   e q tp node peri i e 2.430816768722019E-15 -5.693859371745577E-15 8.879220476988523E-13 -1.399434280858751E-14 2.37157842292597E-13 3.362582463243262E-15 q -5.693859371745577E-15 1.347819543954289E-14 -1.26368739879888E-12 3.207545876241047E-14 -3.663901336906364E-13 -7.590962862483763E-15 tp 8.879220476988523E-13 -1.26368739879888E-12 2.004865049447062E-8 -2.444897983067325E-11 5.029309323154038E-9 -1.150563022087107E-12 node -1.399434280858751E-14 3.207545876241047E-14 -2.444897983067325E-11 1.980086694965647E-9 -1.972161296125928E-9 5.631932664642272E-11 peri 2.37157842292597E-13 -3.663901336906364E-13 5.029309323154038E-9 -1.972161296125928E-9 3.227095415782816E-9 -5.625765759559637E-11 i 3.362582463243262E-15 -7.590962862483763E-15 -1.150563022087107E-12 5.631932664642272E-11 -5.625765759559637E-11 2.075898434098043E-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 16.3   n/a MPO449864   160972 (2002 CX23)          Discovered 2002-Feb-06 by NEAT at Palomar Reference: 20070828/Numbers.arc Last Updated: 2007-08-30 [ show close-approach data ] Alternate Designations  2002 CX23 = 2000 TH9  [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ] 2021-Apr-10 23:45 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin