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441339 (2008 CT138)
Classification: Main-belt Asteroid          SPK-ID: 2441339
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 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1159103146189534 7.3952e-08  
a 3.090307777332272 7.4455e-08 au
q 2.73210923059229 2.2434e-07 au
i 12.68150717019367 1.0705e-05 deg
node 148.6957923766576 2.8976e-05 deg
peri 128.3317027150392 5.628e-05 deg
M 348.2517776333397 4.7176e-05 deg
tp 2459065.254609173173
(2020-Aug-03.75460917)
0.00026087 TDB
period 1984.271200764581
5.43
7.1711e-05
1.963e-07
d
yr
n .1814268129584728 6.5567e-09 deg/d
Q 3.448506324072254 8.3085e-08 au
  Orbit Determination Parameters
   # obs. used (total)      97  
   data-arc span      4093 days (11.21 yr)  
   first obs. used      2008-02-08  
   last obs. used      2019-04-24  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .64947  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-14 10:28:15  

Additional Information
 Earth MOID = 1.73703 au 
 Jupiter MOID = 1.86292 au 
 T_jup = 3.177 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457172.5 (2015-May-30.0) TDB
Reference: JPL 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1141578644738776 7.4289e-08  
q 2.737468534707272 2.2432e-07 au
tp 2457082.813566173352
(2015-Mar-01.31356617)
0.00024694 TDB
node 148.7337200735038 2.8982e-05 deg
peri 128.480028395068 5.6826e-05 deg
i 12.6788426240551 1.0703e-05 deg
  Orbit Determination Parameters
   # obs. used (total)      97  
   data-arc span      4093 days (11.21 yr)  
   first obs. used      2008-02-08  
   last obs. used      2019-04-24  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .64947  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-14 10:28:15  

Additional Information
 Jupiter MOID = 1.86292 au 
 T_jup = 3.177 
Orbit Covariance (6×6)
  e q tp node peri i
e 5.51886886530739E-15 -1.593350470519466E-14 8.97832085613575E-12 -4.888801297778198E-15 1.757230294326874E-12 6.544040045097271E-15
q -1.593350470519466E-14 5.032060691252784E-14 -2.615226707519064E-11 1.428582678899754E-15 -5.070000751670175E-12 -2.208597692234999E-15
tp 8.97832085613575E-12 -2.615226707519064E-11 6.098109144936817E-8 -4.763943780747981E-11 1.209936830547942E-8 3.849364515679528E-11
node -4.888801297778198E-15 1.428582678899754E-15 -4.763943780747981E-11 8.399737387934578E-10 -8.27845727698792E-10 2.695110562551638E-11
peri 1.757230294326874E-12 -5.070000751670175E-12 1.209936830547942E-8 -8.27845727698792E-10 3.229233573213894E-9 -1.824747667703528E-11
i 6.544040045097271E-15 -2.208597692234999E-15 3.849364515679528E-11 2.695110562551638E-11 -1.824747667703528E-11 1.145500995492968E-10

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 MPO472456  

441339 (2008 CT138)          Discovered 2008-Feb-08 by Spacewatch at Kitt Peak
Reference: Last Updated: 2015-09-02

[ show close-approach data ]
Alternate Designations
 2008 CT138 = 2013 CX5 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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