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233735 (2008 SK256)
Classification: Main-belt Asteroid          SPK-ID: 2233735
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 .03332575391867971 5.2248e-08  
a 2.736177294835075 2.3553e-08 au
q 2.644992123629522 1.4143e-07 au
i 3.202918320256242 8.0562e-06 deg
node 29.05957279283979 9.9242e-05 deg
peri 70.02258795279981 0.00016555 deg
M 135.3288431369755 0.00013026 deg
tp 2458379.055072503844
(2018-Sep-17.55507250)
0.0005977 TDB
period 1653.159583077007
4.53
2.1345e-05
5.844e-08
d
yr
n .2177648205806823 2.8117e-09 deg/d
Q 2.827362466040628 2.4338e-08 au
  Orbit Determination Parameters
   # obs. used (total)      166  
   data-arc span      7495 days (20.52 yr)  
   first obs. used      1999-10-14  
   last obs. used      2020-04-21  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .51647  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-21 11:13:18  

Additional Information
 Earth MOID = 1.66399 au 
 Jupiter MOID = 2.20942 au 
 T_jup = 3.349 
[ 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 16.9   n/a MPO427344  

233735 (2008 SK256)          Discovered 2008-Sep-20 by Spacewatch at Kitt Peak
Reference: 20100228/Numbers.arcLast Updated: 2010-03-03

[ show close-approach data ]
Alternate Designations
 2008 SK256 = 1999 VZ220 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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