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233642 (2008 KW)
Classification: Main-belt Asteroid          SPK-ID: 2233642
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 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1410997242821681 5.5523e-08  
a 2.351984738411562 2.5095e-08 au
q 2.020120340305823 1.2607e-07 au
i 6.543310625244064 5.7593e-06 deg
node 121.6131261700478 6.0273e-05 deg
peri 196.8601996657604 6.5203e-05 deg
M 57.4157875913028 3.0321e-05 deg
tp 2458790.374382992041
(2019-Nov-02.87438299)
0.00010875 TDB
period 1317.498640989188
3.61
2.1086e-05
5.773e-08
d
yr
n .2732450636379475 4.3732e-09 deg/d
Q 2.6838491365173 2.8636e-08 au
  Orbit Determination Parameters
   # obs. used (total)      173  
   data-arc span      4549 days (12.45 yr)  
   first obs. used      2005-09-23  
   last obs. used      2018-03-08  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .61855  
   source      ORB  
   producer      Otto Matic  
   solution date      2018-Oct-04 09:00:47  

Additional Information
 Earth MOID = 1.00765 au 
 Jupiter MOID = 2.5907 au 
 T_jup = 3.535 
[ 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 17.1   n/a MPO437098  
diameter diameter 2.252 km 0.632 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.050   0.026 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

233642 (2008 KW)          Discovered 2008-May-26 by Spacewatch at Kitt Peak
Reference: 20100228/Numbers.arcLast Updated: 2010-03-03

[ show close-approach data ]
Alternate Designations
 2008 KW = 2007 BT42 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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