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268218 (2005 CX39)
Classification: Main-belt Asteroid          SPK-ID: 2268218
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ hide orbit diagram ]

For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1520439339265575 5.1995e-08  
a 3.108952737345657 2.7689e-08 au
q 2.636255332767884 1.6208e-07 au
i 1.921524730899679 5.4336e-06 deg
node 133.1047164713352 0.00015304 deg
peri 244.1552427975339 0.00015492 deg
M 64.29303769723063 1.9773e-05 deg
tp 2458842.913551759204
(2019-Dec-25.41355176)		 0.00011022 TDB
period 2002.256013674581
5.48		 2.6749e-05
7.323e-08		 d
yr
n .1797971875431258 2.402e-09 deg/d
Q 3.58165014192343 3.1899e-08 au
   Orbit Determination Parameters
   # obs. used (total)      393  
   data-arc span      6297 days (17.24 yr)  
   first obs. used      2003-10-23  
   last obs. used      2021-01-18  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .47567  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-14 03:22:56  

Additional Information
 Earth MOID = 1.63724 au 
 Jupiter MOID = 1.88137 au 
 T_jup = 3.201 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457604.5 (2016-Aug-04.0) TDB
Reference: JPL 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1512449608537669 5.4194e-08  
q 2.642341528344674 1.6952e-07 au
tp 2456823.863700284177
(2014-Jun-15.36370028)		 0.00011498 TDB
node 133.2862031521841 0.00015258 deg
peri 241.8491147283212 0.00015448 deg
i 1.921924510213106 5.4481e-06 deg
   Orbit Determination Parameters
   # obs. used (total)      393  
   data-arc span      6297 days (17.24 yr)  
   first obs. used      2003-10-23  
   last obs. used      2021-01-18  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .47567  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-14 03:22:56  

Additional Information
 Jupiter MOID = 1.88137 au 
 T_jup = 3.201 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.936994252938901E-15 -9.099649674823918E-15 -2.617727004462503E-12 2.30970560500337E-14 -6.434142062330257E-13 -1.09685500305804E-15
q -9.099649674823918E-15 2.873540652384958E-14 7.656202849020445E-12 -7.426672035865522E-14 1.958706736609896E-12 3.710300797928182E-15
tp -2.617727004462503E-12 7.656202849020445E-12 1.322132567750294E-8 -6.057385651053428E-11 2.787959170524064E-9 -5.082884277506314E-13
node 2.30970560500337E-14 -7.426672035865522E-14 -6.057385651053428E-11 2.327930020983951E-8 -2.327900405574449E-8 6.733858986766374E-11
peri -6.434142062330257E-13 1.958706736609896E-12 2.787959170524064E-9 -2.327900405574449E-8 2.386284720267552E-8 -6.735467046179724E-11
i -1.09685500305804E-15 3.710300797928182E-15 -5.082884277506314E-13 6.733858986766374E-11 -6.735467046179724E-11 2.968232029962474E-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 16.09   n/a MPCxxxxx  

268218 (2005 CX39)          Discovered 2005-Feb-04 by Spacewatch at Kitt Peak
Reference: 20110319/Numbers.arcLast Updated: 2011-03-23

[ show close-approach data ]
Alternate Designations
 2005 CX39 = 2003 UH291 
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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