+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   268218 (2005 CX39) Classification: Main-belt Asteroid          SPK-ID: 2268218 [ 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 20 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .1520439339265575 5.1995e-08   a 3.108952737345657 2.7689e-08 au q 2.636255332767884 1.6208e-07 au i 1.921524730899679 5.4336e-06 deg node 133.1047164713352 0.00015304 deg peri 244.1552427975339 0.00015492 deg M 64.29303769723063 1.9773e-05 deg tp 2458842.913551759204 (2019-Dec-25.41355176) 0.00011022 TDB period 2002.256013674581 5.48 2.6749e-05 7.323e-08 d yr n .1797971875431258 2.402e-09 deg/d Q 3.58165014192343 3.1899e-08 au   Orbit Determination Parameters    # obs. used (total)      393      data-arc span      6297 days (17.24 yr)      first obs. used      2003-10-23      last obs. used      2021-01-18      planetary ephem.      DE441      SB-pert. ephem.      SB441-N16      condition code      0      norm. resid. RMS      .47567      source      ORB      producer      Otto Matic      solution date      2021-Apr-14 03:22:56   Additional Information  Earth MOID = 1.63724 au   Jupiter MOID = 1.88137 au   T_jup = 3.201  [ 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 16.09   n/a MPCxxxxx   268218 (2005 CX39)          Discovered 2005-Feb-04 by Spacewatch at Kitt Peak Reference: 20110319/Numbers.arc Last Updated: 2011-03-23 [ hide close-approach data ] Close-Approach Data   ...sorted by Date/Time (TDB) Date/Time (TDB) Time Uncertainty (days_HH:MM) Body Nominal Distance (au) Minimum Distance (au) Maximum Distance (au) V-relative (km/s) V-infinity (km/s) JD (TDB) Time Uncertainty (minutes) Semi-major axis (km) Semi-minor axis (km) range-LOV angle (deg) N-sigma BP Orbit Ref. Reference Modified 1946-Apr-01 04:30 00:03 Jupiter 1.87596231844588 1.8759618240196 1.87596281287215 2.09082806879144 1.86240027954178 2431911.687210883 2.76920369979755 136.39847628305 7.53235265836954 -88.7076573557345 2224697.49980375 T 20 CATAB v2.0f-lin.ifort 2021-Apr-14 03:22:57 2021-Apr-14 03:22 1956-Apr-15 14:42 00:02 Jupiter 1.966565553501 1.9665647300802 1.96656637692203 2.60516716262987 2.43422941228065 2435579.112221991 2.32218297238893 105.007216194283 14.7839102388578 87.0489492786372 1754429.83145456 T 20 CATAB v2.0f-lin.ifort 2021-Apr-14 03:22:57 2021-Apr-14 03:22 2017-Mar-30 12:10 < 00:01 Jupiter 1.87109100336228 1.87109049771852 1.87109150900582 2.06909627026673 1.83732990130398 2457843.007164807 0.451115617139569 70.0589949298477 8.04515767160081 -85.4323225095863 2281291.04279365 T 20 CATAB v2.0f-lin.ifort 2021-Apr-14 03:22:57 2021-Apr-14 03:22 2027-Apr-15 10:29 < 00:01 Jupiter 1.99988668476105 1.99988590380418 1.9998874657178 2.7922051992538 2.63615996681001 2461510.936895342 0.604889818271394 53.5094041566911 18.6276418823651 79.3978463858385 1752695.56022755 T 20 CATAB v2.0f-lin.ifort 2021-Apr-14 03:22:57 2021-Apr-14 03:22 2078-Mar-14 15:37 00:02 Jupiter 1.9697359407238 1.96973521695897 1.96973666448846 2.65246565895568 2.48506286868717 2480107.150476953 2.45436327261707 67.5032292311692 12.4977122929472 -84.5309283077307 1718026.30604581 T 20 CATAB v2.0f-lin.ifort 2021-Apr-14 03:22:57 2021-Apr-14 03:22 2088-Mar-28 02:41 00:03 Jupiter 1.87172339337196 1.87172279329886 1.87172399344581 2.07482096180142 1.84385729106755 2483773.611527564 2.88800589506878 158.533434586948 9.40504485534454 -89.3832201321756 2044142.15130201 T 20 CATAB v2.0f-lin.ifort 2021-Apr-14 03:22:57 2021-Apr-14 03:22 2149-Mar-14 02:00 00:05 Jupiter 1.93675559221558 1.93675451932647 1.93675666510534 2.47386361404262 2.29026620745447 2506038.583306753 5.22347159114983 114.026273445221 7.85429722077412 -87.3803948680052 1565697.64592689 T 20 CATAB v2.0f-lin.ifort 2021-Apr-14 03:22:57 2021-Apr-14 03:22 2159-Mar-28 01:44 00:06 Jupiter 1.88011254283543 1.88011166703238 1.88011341864734 2.11282989997815 1.88759538758234 2509704.572510935 5.6542055952106 296.334596555567 7.40652530300126 -89.3029920890104 1937557.52274159 T 20 CATAB v2.0f-lin.ifort 2021-Apr-14 03:22:57 2021-Apr-14 03:22 Alternate Designations  2005 CX39 = 2003 UH291  [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ] 2021-May-13 13:45 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin