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JPL Small-Body Database Browser
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268442 (2005 WK23)
Classification: Main-belt Asteroid          SPK-ID: 2268442
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 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1165845898943464 1.4404e-07  
a 2.583238073834318 2.5783e-08 au
q 2.282072322396882 3.8344e-07 au
i 1.854732945542844 1.0148e-05 deg
node 337.9835578484418 0.00016659 deg
peri 27.95413484364719 0.00017126 deg
M 129.5773577945442 3.3205e-05 deg
tp 2458054.652034814544
(2017-Oct-28.15203481)
0.00013835 TDB
period 1516.509294612565
4.15
2.2704e-05
6.216e-08
d
yr
n .2373872690915304 3.554e-09 deg/d
Q 2.884403825271753 2.8789e-08 au
  Orbit Determination Parameters
   # obs. used (total)      176  
   data-arc span      9151 days (25.05 yr)  
   first obs. used      1994-01-19  
   last obs. used      2019-02-08  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57937  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-14 07:54:00  

Additional Information
 Earth MOID = 1.27959 au 
 Jupiter MOID = 2.56789 au 
 T_jup = 3.413 
[ 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 17.0   n/a MPO427488  

268442 (2005 WK23)          Discovered 2005-Nov-21 by Spacewatch at Kitt Peak
Reference: 20110319/Numbers.arcLast Updated: 2011-03-23

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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