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243395 (2008 YS168)
Classification: Main-belt Asteroid          SPK-ID: 2243395
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 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1031289012644594 5.8447e-08  
a 2.625084451637164 2.2877e-08 au
q 2.354362376413407 1.4642e-07 au
i 4.086315510362411 5.5534e-06 deg
node 94.44411213061156 8.9624e-05 deg
peri 112.6280941646948 9.4527e-05 deg
M 158.5210376181298 2.9444e-05 deg
tp 2458316.434398999294
(2018-Jul-16.93439900)
0.00012677 TDB
period 1553.507471692762
4.25
2.0308e-05
5.56e-08
d
yr
n .2317336778610598 3.0293e-09 deg/d
Q 2.895806526860921 2.5237e-08 au
  Orbit Determination Parameters
   # obs. used (total)      260  
   data-arc span      7227 days (19.79 yr)  
   first obs. used      1999-12-12  
   last obs. used      2019-09-25  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55241  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-08 02:14:59  

Additional Information
 Earth MOID = 1.35318 au 
 Jupiter MOID = 2.07035 au 
 T_jup = 3.392 
[ 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 16.8   n/a MPO440238  
diameter diameter 2.220 km 0.394 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.062   0.037 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

243395 (2008 YS168)          Discovered 2008-Dec-21 by Spacewatch at Kitt Peak
Reference: 20100626/Numbers.arcLast Updated: 2010-06-28

[ show close-approach data ]
Alternate Designations
 2008 YS168 = 2005 CK2 = 2007 SR9 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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