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181868 (1999 CG119)
Classification: TransNeptunian Object          SPK-ID: 2181868
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]

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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 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 9 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2880207839101965 0.00014953  
a 49.20795535670086 0.016556 au
q 35.03504148024592 0.0046329 au
i 16.72228710104624 0.00025538 deg
node 304.3602730624596 0.00028609 deg
peri 256.8061870197121 0.032079 deg
M 335.3844909907504 0.027859 deg
tp 2468017.501622509837
(2045-Feb-06.00162251)
5.4185 TDB
period 126081.5115761908
345.19
63.629
0.1742
d
yr
n .002855295717028684 1.441e-06 deg/d
Q 63.38086923315579 0.021324 au
  Orbit Determination Parameters
   # obs. used (total)      34  
   data-arc span      8005 days (21.92 yr)  
   first obs. used      1999-02-11  
   last obs. used      2021-01-11  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      4  
   norm. resid. RMS      .25992  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 21:32:23  

Additional Information
 Earth MOID = 34.0747 au 
 Jupiter MOID = 29.8705 au 
 T_jup = 5.746 
[ show covariance matrix ]

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

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 7.49   n/a MPCxxxxx  

181868 (1999 CG119)          Discovered 1999-Feb-11 by Luu, J. X., Trujillo, C. A., Jewitt, D. C. at Mauna Kea
Reference: 20080420/Numbers.arcLast Updated: 2008-04-23
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]
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