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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 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1520439339229058 5.1995e-08  
a 3.108952741510306 2.7689e-08 au
q 2.636255336310676 1.6208e-07 au
i 1.92152476047746 5.4336e-06 deg
node 133.1047162838033 0.00015304 deg
peri 244.1552437913352 0.00015492 deg
M 64.293036892258 1.9773e-05 deg
tp 2458842.913555517802
(2019-Dec-25.41355552)		 0.00011022 TDB
period 2002.256017697814
5.48		 2.6749e-05
7.323e-08		 d
yr
n .1797971871818503 2.402e-09 deg/d
Q 3.581650146709936 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.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .47574  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Feb-24 14:18:07  

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 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1512449605028028 5.4194e-08  
q 2.642341529708014 1.6952e-07 au
tp 2456823.863701295286
(2014-Jun-15.36370130)		 0.00011498 TDB
node 133.2862030526665 0.00015258 deg
peri 241.8491151689435 0.00015448 deg
i 1.921924526375506 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.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .47574  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Feb-24 14:18:07  

Additional Information
 Jupiter MOID = 1.88137 au 
 T_jup = 3.201 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.936993804709838E-15 -9.099648241443881E-15 -2.617726494658529E-12 2.309702939639392E-14 -6.434140978456876E-13 -1.096857881817306E-15
q -9.099648241443881E-15 2.873540237259014E-14 7.656200817969116E-12 -7.426657788812172E-14 1.958706326307265E-12 3.710312882958781E-15
tp -2.617726494658529E-12 7.656200817969116E-12 1.322132533820784E-8 -6.057384913005034E-11 2.787959105048173E-9 -5.082878737480559E-13
node 2.309702939639392E-14 -7.426657788812172E-14 -6.057384913005034E-11 2.32792998128092E-8 -2.327900364765078E-8 6.733858063655863E-11
peri -6.434140978456876E-13 1.958706326307265E-12 2.787959105048173E-9 -2.327900364765078E-8 2.386284679333968E-8 -6.735466043765826E-11
i -1.096857881817306E-15 3.710312882958781E-15 -5.082878737480559E-13 6.733858063655863E-11 -6.735466043765826E-11 2.968232009064543E-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 16.0   n/a MPO494450  

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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