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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 ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .05448545667879243 5.2351e-08  
a 2.780119017349484 3.0199e-08 au
q 2.628642963067802 1.4767e-07 au
i 5.41086551310177 6.8604e-06 deg
node 146.7243629077452 4.6149e-05 deg
peri 144.1314140851412 8.0335e-05 deg
M 5.727019493410588 6.1981e-05 deg
tp 2458973.564833142252
(2020-May-04.06483314)
0.00029174 TDB
period 1693.142494092462
4.64
2.7588e-05
7.553e-08
d
yr
n .2126223878120564 3.4644e-09 deg/d
Q 2.931595071631167 3.1844e-08 au
  Orbit Determination Parameters
   # obs. used (total)      200  
   data-arc span      5691 days (15.58 yr)  
   first obs. used      2005-03-10  
   last obs. used      2020-10-08  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .59956  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 00:18:09  

Additional Information
 Earth MOID = 1.61488 au 
 Jupiter MOID = 2.17164 au 
 T_jup = 3.325 
[ 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 16.7   n/a MPO476003  
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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