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266671 (2008 YZ111)
Classification: Main-belt Asteroid          SPK-ID: 2266671
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 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1409148731211183 5.1156e-08  
a 2.766854956243578 3.421e-08 au
q 2.376963941139977 1.461e-07 au
i 8.024679427473465 7.1484e-06 deg
node 249.8005453719113 3.9457e-05 deg
peri 286.9383471339294 4.7608e-05 deg
M 94.29167475859295 2.3946e-05 deg
tp 2458560.199817552488
(2019-Mar-17.69981755)
0.000113 TDB
period 1681.039880635479
4.60
3.1177e-05
8.536e-08
d
yr
n .2141531584984826 3.9717e-09 deg/d
Q 3.156745971347179 3.9031e-08 au
  Orbit Determination Parameters
   # obs. used (total)      216  
   data-arc span      6611 days (18.10 yr)  
   first obs. used      2001-04-26  
   last obs. used      2019-06-02  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .58926  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Sep-24 04:36:48  

Additional Information
 Earth MOID = 1.39561 au 
 Jupiter MOID = 1.89822 au 
 T_jup = 3.310 
[ 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 16.2   n/a MPO476121  
diameter diameter 2.255 km 0.246 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.080   0.020 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

266671 (2008 YZ111)          Discovered 2008-Dec-31 by Spacewatch at Kitt Peak
Reference: 20110218/Numbers.arcLast Updated: 2011-02-22

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