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305442 (2008 CQ192)
Classification: Main-belt Asteroid          SPK-ID: 2305442
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 .02159011774359415 4.892e-08  
a 2.998362910673853 3.5367e-08 au
q 2.933627902394378 1.3533e-07 au
i 1.917171749228231 5.376e-06 deg
node 25.28443314673219 0.00014874 deg
peri 84.9715014133356 0.00019567 deg
M 181.644729027968 0.00012885 deg
tp 2459940.024631302368
(2022-Dec-26.52463130)
0.00068134 TDB
period 1896.377188212678
5.19
3.3553e-05
9.186e-08
d
yr
n .1898356520198904 3.3588e-09 deg/d
Q 3.063097918953327 3.613e-08 au
  Orbit Determination Parameters
   # obs. used (total)      250  
   data-arc span      6815 days (18.66 yr)  
   first obs. used      2000-10-02  
   last obs. used      2019-05-31  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .60141  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-25 17:54:42  

Additional Information
 Earth MOID = 1.95108 au 
 Jupiter MOID = 1.94059 au 
 T_jup = 3.252 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457155.5 (2015-May-13.0) TDB
Reference: JPL 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .0232368948008402 4.908e-08  
q 2.92474279674797 1.3714e-07 au
tp 2458008.720946853719
(2017-Sep-12.22094685)
0.00063025 TDB
node 25.46112903745371 0.00014828 deg
peri 77.92772842351917 0.00018981 deg
i 1.921360639626891 5.3856e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      250  
   data-arc span      6815 days (18.66 yr)  
   first obs. used      2000-10-02  
   last obs. used      2019-05-31  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .60141  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-25 17:54:42  

Additional Information
 Jupiter MOID = 1.94059 au 
 T_jup = 3.252 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.408834401440785E-15 -6.559439932605927E-15 7.225410142696246E-13 -4.17025696652336E-15 4.275309349300009E-14 3.875636741376044E-16
q -6.559439932605927E-15 1.880671312471775E-14 1.991689479697982E-12 7.220167106949411E-15 5.561400161469171E-13 -7.10599479581189E-16
tp 7.225410142696246E-13 1.991689479697982E-12 3.972158124990514E-7 1.015085179888119E-10 7.468780983439266E-8 2.439271164673908E-12
node -4.17025696652336E-15 7.220167106949411E-15 1.015085179888119E-10 2.198603623695072E-8 -2.195382188691929E-8 7.236354196810774E-11
peri 4.275309349300009E-14 5.561400161469171E-13 7.468780983439266E-8 -2.195382188691929E-8 3.602719062664936E-8 -7.189869532807097E-11
i 3.875636741376044E-16 -7.10599479581189E-16 2.439271164673908E-12 7.236354196810774E-11 -7.189869532807097E-11 2.900419331246692E-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 MPO437356  

305442 (2008 CQ192)          Discovered 2008-Feb-03 by Spacewatch at Kitt Peak
Reference: 20111110/Numbers.arcLast Updated: 2011-11-14

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Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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