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186740 (2004 CR39)
Classification: Main-belt Asteroid          SPK-ID: 2186740
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1847824114192186 5.1248e-08  
a 2.354038318011044 1.7918e-08 au
q 1.919053441035722 1.2431e-07 au
i 4.736882551321068 8.8677e-06 deg
node 206.4834542691918 7.7006e-05 deg
peri 260.3284879953302 8.1318e-05 deg
M 261.2064439912914 2.6921e-05 deg
tp 2459562.530229569095
(2021-Dec-14.03022957)
0.00010023 TDB
period 1319.224531541164
3.61
1.5062e-05
4.124e-08
d
yr
n .2728875876644254 3.1156e-09 deg/d
Q 2.789023194986366 2.1229e-08 au
  Orbit Determination Parameters
   # obs. used (total)      160  
   data-arc span      7049 days (19.30 yr)  
   first obs. used      2001-05-25  
   last obs. used      2020-09-11  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .62506  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 21:52:30  

Additional Information
 Earth MOID = .942388 au 
 Jupiter MOID = 2.36458 au 
 T_jup = 3.528 
[ show covariance matrix ]

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

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 17.5   n/a MPO433227  

186740 (2004 CR39)          Discovered 2004-Feb-14 by Dixon, D. S. at Jornada
Reference: 20080520/Numbers.arcLast Updated: 2008-05-22
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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