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266673 (2008 YY170)
Classification: Main-belt Asteroid          SPK-ID: 2266673
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 .05637036207043826 5.8024e-08  
a 3.138672945514521 5.113e-08 au
q 2.961744815155179 1.874e-07 au
i 11.84562889103523 6.347e-06 deg
node 277.1399612616628 3.7391e-05 deg
peri 148.0073857943672 9.5539e-05 deg
M 65.97058310406324 8.383e-05 deg
tp 2458628.309447744823
(2019-May-24.80944774)
0.00047477 TDB
period 2031.035538984212
5.56
4.9629e-05
1.359e-07
d
yr
n .1772494833744012 4.3311e-09 deg/d
Q 3.315601075873864 5.4012e-08 au
  Orbit Determination Parameters
   # obs. used (total)      215  
   data-arc span      6717 days (18.39 yr)  
   first obs. used      2001-09-12  
   last obs. used      2020-02-02  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .49865  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-25 12:48:45  

Additional Information
 Earth MOID = 1.98332 au 
 Jupiter MOID = 1.91451 au 
 T_jup = 3.176 
[ 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 15.4   n/a MPO413195  
diameter diameter 5.555 km 0.371 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.043   0.004 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

266673 (2008 YY170)          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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