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146891 (2002 CY40)
Classification: Main-belt Asteroid          SPK-ID: 2146891
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1256169955090263 7.0016e-08  
a 3.046429941912588 4.0863e-08 au
q 2.663746565580791 2.261e-07 au
i 18.68767172429185 8.5042e-06 deg
node 288.992316939778 2.2667e-05 deg
peri 351.1791461295896 4.1994e-05 deg
M 30.41257271525966 3.8592e-05 deg
tp 2458836.427468393682
(2019-Dec-18.92746839)
0.00020775 TDB
period 1942.160958603729
5.32
3.9076e-05
1.07e-07
d
yr
n .1853605379127863 3.7294e-09 deg/d
Q 3.429113318244385 4.5996e-08 au
  Orbit Determination Parameters
   # obs. used (total)      414  
   data-arc span      7169 days (19.63 yr)  
   first obs. used      1999-10-13  
   last obs. used      2019-05-30  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .5189  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-24 08:40:06  

Additional Information
 Earth MOID = 1.64856 au 
 Jupiter MOID = 1.76565 au 
 T_jup = 3.146 
[ 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 14.6   n/a MPO475273  
diameter diameter 5.579 km 0.086 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.099   0.009 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

146891 (2002 CY40)          Discovered 2002-Feb-07 by NEAT at Palomar
Reference: 20070106/Numbers.arcLast Updated: 2007-01-09

[ show close-approach data ]
Alternate Designations
 2002 CY40 = 2004 RN206 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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