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186305 (2002 CQ128)
Classification: Main-belt Asteroid          SPK-ID: 2186305
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .0686120824020484 4.0438e-08  
a 2.854100979523095 1.8588e-08 au
q 2.65827516793229 1.1288e-07 au
i 2.624618708612477 4.8993e-06 deg
node 148.2999899179233 8.7194e-05 deg
peri 251.3043143843263 9.4503e-05 deg
M 99.86474140696228 3.4823e-05 deg
tp 2458907.946521530961
(2020-Feb-28.44652153)
0.0001707 TDB
period 1761.174662558053
4.82
1.7205e-05
4.71e-08
d
yr
n .204409027482323 1.9969e-09 deg/d
Q 3.049926791113901 1.9864e-08 au
  Orbit Determination Parameters
   # obs. used (total)      461  
   data-arc span      10200 days (27.93 yr)  
   first obs. used      1993-04-14  
   last obs. used      2021-03-18  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .54865  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-May-04 10:14:01  

Additional Information
 Earth MOID = 1.66659 au 
 Jupiter MOID = 2.23953 au 
 T_jup = 3.299 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457367.5 (2015-Dec-11.0) TDB
Reference: JPL 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .0672231431817662 4.1222e-08  
q 2.661143821661677 1.1488e-07 au
tp 2457133.073150343930
(2015-Apr-20.57315034)
0.00017534 TDB
node 148.4025750847258 8.7094e-05 deg
peri 248.4977269864171 9.4601e-05 deg
i 2.625312412387186 4.906e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      461  
   data-arc span      10200 days (27.93 yr)  
   first obs. used      1993-04-14  
   last obs. used      2021-03-18  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .54865  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-May-04 10:14:01  

Additional Information
 Jupiter MOID = 2.23953 au 
 T_jup = 3.299 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.699274650303006E-15 -4.684700459468306E-15 -2.691820525067581E-12 -3.704617276590345E-16 -5.865972553936095E-13 1.656779282748667E-16
q -4.684700459468306E-15 1.319746553610022E-14 7.209094065745902E-12 4.939625412405734E-16 1.580082543491754E-12 -2.827964582130385E-16
tp -2.691820525067581E-12 7.209094065745902E-12 3.07437196678785E-8 -4.882868675609016E-11 6.491962902495618E-9 -2.746113629826701E-12
node -3.704617276590345E-16 4.939625412405734E-16 -4.882868675609016E-11 7.585370903191818E-9 -7.587223610984761E-9 8.507787385817852E-11
peri -5.865972553936095E-13 1.580082543491754E-12 6.491962902495618E-9 -7.587223610984761E-9 8.949341294349391E-9 -8.557000219699816E-11
i 1.656779282748667E-16 -2.827964582130385E-16 -2.746113629826701E-12 8.507787385817852E-11 -8.557000219699816E-11 2.406932529253519E-11

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 15.96   n/a MPCxxxxx  

186305 (2002 CQ128)          Discovered 2002-Feb-07 by LINEAR at Socorro
Reference: 20080520/Numbers.arcLast Updated: 2008-05-22

Alternate Designations
 2002 CQ128 = 2005 UJ266 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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