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181866 (1999 CU12)
Classification: Main-belt Asteroid          SPK-ID: 2181866
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 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .240626487807453 5.4881e-08  
a 2.687602186828415 1.1557e-08 au
q 2.040893911988263 1.4396e-07 au
i 10.55431254682436 6.2648e-06 deg
node 310.4229408945573 2.16e-05 deg
peri 164.8784842550463 2.4977e-05 deg
M 6.2547217667633 1.0589e-05 deg
tp 2459172.539083651144
(2020-Nov-19.03908365)
4.7263e-05 TDB
period 1609.332958514147
4.41
1.038e-05
2.842e-08
d
yr
n .2236951639469176 1.4428e-09 deg/d
Q 3.334310461668566 1.4338e-08 au
  Orbit Determination Parameters
   # obs. used (total)      617  
   data-arc span      8102 days (22.18 yr)  
   first obs. used      1999-02-12  
   last obs. used      2021-04-19  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .51883  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-May-04 10:09:51  

Additional Information
 Earth MOID = 1.05891 au 
 Jupiter MOID = 1.779 au 
 T_jup = 3.308 
[ 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 15.92   n/a MPCxxxxx  

181866 (1999 CU12)          Discovered 1999-Feb-14 by ODAS at Caussols
Reference: 20080420/Numbers.arcLast Updated: 2008-04-23

[ 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
1926-Aug-04 06:04 00:02 Jupiter 1.83217425289644 1.83217316450963 1.83217534131532 3.01245588795804 2.85486976194288 2424731.752760452 1.75678624660891 565.241101272359 30.0463717344322 85.6515191031572 1691537.54379371 T 22 CATAB v2.0g-lin.ifort 2021-May-04 10:09:53 2021-May-04 10:09
1961-Jul-31 17:22 00:01 Jupiter 1.78303904913533 1.78303860368805 1.78303949459113 2.97323270706546 2.80891868151202 2437512.223361791 1.02484857402001 326.434288691178 7.47274949834012 86.182603954344 2022923.01705779 T 22 CATAB v2.0g-lin.ifort 2021-May-04 10:09:53 2021-May-04 10:09
1996-Jul-23 06:27 < 00:01 Jupiter 1.92411238205199 1.92411197812517 1.92411278598012 2.8651074476755 2.70710386434627 2450287.768434146 0.464908317971387 174.757113034157 7.57578498164821 83.5246791627055 2389338.55057836 T 22 CATAB v2.0g-lin.ifort 2021-May-04 10:09:53 2021-May-04 10:09
2045-Oct-05 00:45 < 00:01 Jupiter 1.97885619143115 1.97885554634228 1.97885683657054 2.95543379918607 2.80686945015439 2468258.531230815 0.56603137763987 949.054808706574 17.7143209876565 88.4998911187949 1887354.93168581 T 22 CATAB v2.0g-lin.ifort 2021-May-04 10:09:53 2021-May-04 10:09
2080-Sep-17 20:31 00:01 Jupiter 1.79929767052125 1.79929711152188 1.79929822953494 2.97177358246782 2.80890276501013 2481025.354882830 1.10728228801266 446.148272363831 20.3390259568138 87.2551387478754 1817665.54064042 T 22 CATAB v2.0g-lin.ifort 2021-May-04 10:09:53 2021-May-04 10:09
2115-Sep-16 23:00 00:02 Jupiter 1.80027747489599 1.80027666667497 1.80027828317002 2.97924342876056 2.81689551468773 2493806.458056555 1.74287459001207 551.095195685754 1.85880058551272 85.8416896405254 1858545.59424298 T 22 CATAB v2.0g-lin.ifort 2021-May-04 10:09:53 2021-May-04 10:09
2150-Sep-07 05:41 00:03 Jupiter 1.96079389367302 1.96079191669177 1.96079587070966 2.90179984417581 2.7489058906068 2506580.736790873 2.5517763775666 559.450852571598 10.8239055825164 79.8461348884133 2000763.63543187 T 22 CATAB v2.0g-lin.ifort 2021-May-04 10:09:53 2021-May-04 10:09
2199-Nov-18 11:16 00:04 Jupiter 1.92360363724332 1.92360153776506 1.92360573737033 2.84521262162035 2.68599565458093 2524549.969536330 3.56366098475028 2010.60340646991 36.1793702658317 87.0092704978447 1649718.00798057 T 22 CATAB v2.0g-lin.ifort 2021-May-04 10:09:53 2021-May-04 10:09

Alternate Designations
 1999 CU12 = 2003 BE64 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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