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249269 (2008 SH159)
Classification: Main-belt Asteroid          SPK-ID: 2249269
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 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1799983059288959 5.1023e-08  
a 3.134576266158395 3.0665e-08 au
q 2.57035784844496 1.7083e-07 au
i 4.584513384079346 5.6191e-06 deg
node 220.34200678 6.0347e-05 deg
peri 166.8419326787144 6.2524e-05 deg
M 21.99387703095453 1.426e-05 deg
tp 2458876.658563750479
(2020-Jan-28.15856375)
7.9871e-05 TDB
period 2027.060394448905
5.55
2.9745e-05
8.144e-08
d
yr
n .1775970765280888 2.6061e-09 deg/d
Q 3.69879468387183 3.6184e-08 au
  Orbit Determination Parameters
   # obs. used (total)      308  
   data-arc span      6346 days (17.37 yr)  
   first obs. used      2002-07-22  
   last obs. used      2019-12-06  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .60323  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-14 16:44:14  

Additional Information
 Earth MOID = 1.57532 au 
 Jupiter MOID = 1.75453 au 
 T_jup = 3.182 
[ 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 15.7   n/a MPO454847  
diameter diameter 4.231 km 0.311 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.043   0.009 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

249269 (2008 SH159)          Discovered 2008-Sep-24 by LINEAR at Socorro
Reference: 20100824/Numbers.arcLast Updated: 2010-08-27

[ show close-approach data ]
Alternate Designations
 2008 SH159 = 2003 YT96 = 2006 JK68 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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