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JPL Small-Body Database Browser
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201918 (2004 CA4)
Classification: Main-belt Asteroid          SPK-ID: 2201918
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2004966006502806 4.785e-08  
a 3.114451533227714 2.6374e-08 au
q 2.490014587925503 1.565e-07 au
i 10.40846614017678 5.2694e-06 deg
node 118.0085733600754 2.7269e-05 deg
peri 312.9766204566343 3.0841e-05 deg
M 320.4117416345023 1.2942e-05 deg
tp 2458821.267270032675
(2019-Dec-03.76727003)
7.2577e-05 TDB
period 2007.570438638662
5.50
2.5501e-05
6.982e-08
d
yr
n .1793212298165323 2.2778e-09 deg/d
Q 3.738888478529926 3.1662e-08 au
  Orbit Determination Parameters
   # obs. used (total)      524  
   data-arc span      7124 days (19.50 yr)  
   first obs. used      2000-06-05  
   last obs. used      2019-12-07  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .51575  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-14 14:38:42  

Additional Information
 Earth MOID = 1.51835 au 
 Jupiter MOID = 1.59647 au 
 T_jup = 3.162 
[ 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 15.2   n/a MPO454431  

201918 (2004 CA4)          Discovered 2004-Feb-10 by NEAT at Palomar
Reference: 20081212/Numbers.arcLast Updated: 2008-12-12

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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