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JPL Small-Body Database Browser
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249405 (2009 CB42)
Classification: Main-belt Asteroid          SPK-ID: 2249405
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 9 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .05415679713237916 5.3799e-08  
a 2.777805268548318 3.5225e-08 au
q 2.627368232146292 1.5362e-07 au
i 5.408130319934986 7.7827e-06 deg
node 146.7869009686314 7.2405e-05 deg
peri 145.2836520930959 0.00011574 deg
M 279.488628663587 9.2687e-05 deg
tp 2458978.686346807621
(2020-May-09.18634681)
0.00043582 TDB
period 1691.029261964245
4.63
3.2166e-05
8.807e-08
d
yr
n .2128880960828766 4.0494e-09 deg/d
Q 2.928242304950343 3.7133e-08 au
  Orbit Determination Parameters
   # obs. used (total)      138  
   data-arc span      5175 days (14.17 yr)  
   first obs. used      2005-03-10  
   last obs. used      2019-05-11  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .65548  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-May-30 08:40:54  

Additional Information
 Earth MOID = 1.61284 au 
 Jupiter MOID = 2.17749 au 
 T_jup = 3.326 
[ 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 16.6   n/a MPO433634  
diameter diameter 2.415 km 0.331 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  
geometric albedo albedo 0.063   0.019 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  

249405 (2009 CB42)          Discovered 2009-Feb-13 by Spacewatch at Kitt Peak
Reference: 20100824/Numbers.arcLast Updated: 2010-08-27

[ show close-approach data ]
Alternate Designations
 2009 CB42 = 2005 ET148 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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