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305424 (2008 CO138)
Classification: Main-belt Asteroid          SPK-ID: 2305424
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 .04157224716245773 4.6489e-08  
a 3.085762917591492 4.262e-08 au
q 2.957480818896631 1.5112e-07 au
i 2.822568343701128 5.689e-06 deg
node 111.8326944635107 0.00011996 deg
peri 124.1650873826151 0.00015176 deg
M 22.75592911072494 8.9246e-05 deg
tp 2458875.348997773822
(2020-Jan-26.84899777)
0.00049105 TDB
period 1979.895462945075
5.42
4.1019e-05
1.123e-07
d
yr
n .1818277816872733 3.7671e-09 deg/d
Q 3.214045016286352 4.4392e-08 au
  Orbit Determination Parameters
   # obs. used (total)      211  
   data-arc span      6310 days (17.28 yr)  
   first obs. used      2002-01-13  
   last obs. used      2019-04-24  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .60115  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-14 10:23:53  

Additional Information
 Earth MOID = 1.94661 au 
 Jupiter MOID = 1.76808 au 
 T_jup = 3.223 
[ 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 16.0   n/a MPO433968  

305424 (2008 CO138)          Discovered 2008-Feb-08 by Spacewatch at Kitt Peak
Reference: 20111110/Numbers.arcLast Updated: 2011-11-14

[ 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
1941-Sep-30 04:52 00:05 Jupiter 1.87761514319553 1.87761360520587 1.87761668118488 3.01983048817927 2.86655610027571 2430267.702588561 4.74662881609444 75.2427761929385 44.5791514682361 51.9061757543843 1301651.71903858 T 13 CATAB v2.0e-lin.ifort 2019-Jul-14 10:23:55 2019-Jul-14 10:23
1951-Jul-19 06:59 00:04 Jupiter 1.78898867857384 1.78898787362282 1.78898948352883 2.82636692801933 2.65356762485755 2433846.791086387 4.16449282034089 223.003671168928 16.6206262275279 -86.4214890154656 2039939.04214846 T 13 CATAB v2.0e-lin.ifort 2019-Jul-14 10:23:55 2019-Jul-14 10:23
2001-Jul-26 19:30 < 00:01 Jupiter 1.95725760503953 1.95725693894743 1.95725827113152 3.2749313153986 3.14000882357958 2452117.312191233 0.942460158319816 56.7784275945349 25.6036574744353 -88.0893451916269 2466859.76329449 T 13 CATAB v2.0e-lin.ifort 2019-Jul-14 10:23:55 2019-Jul-14 10:23
2011-May-19 23:45 < 00:01 Jupiter 1.76459674241396 1.76459616097711 1.76459732385071 2.70588240134022 2.52225719255163 2455701.489274004 0.433618690224294 59.4819331445913 13.6855640717546 -89.5084704521699 2195422.47629148 T 13 CATAB v2.0e-lin.ifort 2019-Jul-14 10:23:55 2019-Jul-14 10:23
2071-Mar-21 08:02 00:04 Jupiter 1.76949343952647 1.76949292789606 1.76949395115698 2.68755301794166 2.50311398985244 2477556.834841525 3.71563822154413 154.100647787705 10.9087874882153 87.6561525766213 2422613.37155736 T 13 CATAB v2.0e-lin.ifort 2019-Jul-14 10:23:55 2019-Jul-14 10:23
2081-Jan-10 13:31 00:04 Jupiter 1.93584968736127 1.93584798948318 1.93585138524388 3.42858115804303 3.29849625653125 2481140.063305744 4.19934898970331 188.971784824075 26.73300967418 -70.3917160764687 2025832.06335767 T 13 CATAB v2.0e-lin.ifort 2019-Jul-14 10:23:55 2019-Jul-14 10:23
2131-Jan-22 02:30 00:08 Jupiter 1.8034412711814 1.80343990712455 1.80344263524276 2.77221820254785 2.59727809078725 2499412.604304999 7.59931782453265 180.448126898805 17.4960619581076 75.9674999667346 2260193.12241219 T 13 CATAB v2.0e-lin.ifort 2019-Jul-14 10:23:55 2019-Jul-14 10:23
2140-Nov-09 03:27 00:08 Jupiter 1.86077134088707 1.86076890861551 1.86077377318751 3.13596353650557 2.98728437642645 2502991.643687266 8.14132766923285 409.804615018086 22.6499716861605 -77.8707550077291 2006524.46879191 T 13 CATAB v2.0e-lin.ifort 2019-Jul-14 10:23:55 2019-Jul-14 10:23
2190-Nov-23 13:08 00:11 Jupiter 1.86285739745981 1.86285434988651 1.86286044503152 2.94613386547381 2.787530246642 2521268.046938827 11.3711387201749 131.705949204352 51.1870396420202 33.4867537173458 827127.553795149 T 13 CATAB v2.0e-lin.ifort 2019-Jul-14 10:23:55 2019-Jul-14 10:23
2200-Sep-11 18:04 00:12 Jupiter 1.80354587346223 1.80354348451018 1.80354826249228 2.8952643609162 2.72823567858669 2524847.252909981 12.1561817602094 645.348725830693 18.1703299829398 -83.6139236499376 2030484.3755799 T 13 CATAB v2.0e-lin.ifort 2019-Jul-14 10:23:55 2019-Jul-14 10:23

Alternate Designations
 2008 CO138 = 2002 AP194 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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