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186729 (2004 CE4)
Classification: Main-belt Asteroid          SPK-ID: 2186729
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1592414241597042 5.2225e-08  
a 2.336862176871849 1.2667e-08 au
q 1.964736915761829 1.2217e-07 au
i 1.683108305487378 4.515e-06 deg
node 92.38717994606816 0.0002331 deg
peri 49.88635723182051 0.00023405 deg
M 252.9004986775074 2.3184e-05 deg
tp 2459588.679882160227
(2022-Jan-09.17988216)
8.6024e-05 TDB
period 1304.812402038076
3.57
1.0609e-05
2.905e-08
d
yr
n .2759017307297902 2.2433e-09 deg/d
Q 2.708987437981869 1.4684e-08 au
  Orbit Determination Parameters
   # obs. used (total)      429  
   data-arc span      7651 days (20.95 yr)  
   first obs. used      1999-11-11  
   last obs. used      2020-10-22  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .43858  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 21:52:28  

Additional Information
 Earth MOID = .97785 au 
 Jupiter MOID = 2.30426 au 
 T_jup = 3.549 
[ show covariance matrix ]

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 17.5   n/a MPO433227  

186729 (2004 CE4)          Discovered 2004-Feb-10 by NEAT at Palomar
Reference: 20080520/Numbers.arcLast Updated: 2008-05-22

[ show close-approach data ]
Alternate Designations
 2004 CE4 = 1999 VH205 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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