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266492 (2008 DY20)
Classification: Main-belt Asteroid          SPK-ID: 2266492
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 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1319384494245419 7.0544e-08  
a 2.776916067150985 2.6416e-08 au
q 2.410534067068987 2.0193e-07 au
i 3.453086522421587 7.3811e-06 deg
node 27.62578358414018 9.9187e-05 deg
peri 167.2693844753537 0.00010145 deg
M 216.6143537194701 2.4191e-05 deg
tp 2459673.702521896666
(2022-Apr-04.20252190)
0.00011866 TDB
period 1690.217355568794
4.63
2.4118e-05
6.603e-08
d
yr
n .2129903582009146 3.0392e-09 deg/d
Q 3.143298067232983 2.9901e-08 au
  Orbit Determination Parameters
   # obs. used (total)      212  
   data-arc span      9334 days (25.56 yr)  
   first obs. used      1994-04-02  
   last obs. used      2019-10-22  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .65104  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-08 04:04:48  

Additional Information
 Earth MOID = 1.40952 au 
 Jupiter MOID = 1.81184 au 
 T_jup = 3.319 
[ 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 16.7   n/a MPO494440  

266492 (2008 DY20)          Discovered 2008-Feb-28 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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