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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 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .0327685655619039 5.1992e-08  
a 2.737722465407174 2.2242e-08 au
q 2.648011227309182 1.4015e-07 au
i 3.202040645468637 7.4389e-06 deg
node 29.03871070444839 8.5797e-05 deg
peri 70.39102199205016 0.00014222 deg
M 178.517442098768 0.00011398 deg
tp 2458380.033768656731
(2018-Sep-18.53376866)
0.00052093 TDB
period 1654.560136035107
4.53
2.0163e-05
5.52e-08
d
yr
n .2175804868976737 2.6516e-09 deg/d
Q 2.827433703505166 2.2971e-08 au
  Orbit Determination Parameters
   # obs. used (total)      193  
   data-arc span      7552 days (20.68 yr)  
   first obs. used      1999-10-14  
   last obs. used      2020-06-17  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .51664  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-14 01:04:42  

Additional Information
 Earth MOID = 1.66681 au 
 Jupiter MOID = 2.2068 au 
 T_jup = 3.348 
[ 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 17.07   n/a E2021B55  

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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