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227475 (2005 WY174)
Classification: Main-belt Asteroid          SPK-ID: 2227475
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .04983955692014443 4.2762e-08  
a 2.702117192424048 1.8615e-08 au
q 2.567444868807328 1.1504e-07 au
i 1.274359950339914 5.049e-06 deg
node 60.05443816391516 0.00026459 deg
peri 52.75835389798013 0.0002721 deg
M 117.3728436974279 6.3039e-05 deg
tp 2458671.543663633384
(2019-Jul-07.04366363)		 0.00028315 TDB
period 1622.387897347629
4.44		 1.6765e-05
4.59e-08		 d
yr
n .2218951464002834 2.293e-09 deg/d
Q 2.836789516040767 1.9543e-08 au
   Orbit Determination Parameters
   # obs. used (total)      286  
   data-arc span      7118 days (19.49 yr)  
   first obs. used      2000-10-19  
   last obs. used      2020-04-15  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .60988  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 02:26:36  

Additional Information
 Earth MOID = 1.58412 au 
 Jupiter MOID = 2.19926 au 
 T_jup = 3.365 
[ 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 16.79   n/a E2021B55  

227475 (2005 WY174)          Discovered 2005-Nov-30 by Spacewatch at Kitt Peak
Reference: 20091202/Numbers.arcLast Updated: 2009-12-04

[ show close-approach data ]
Alternate Designations
 2005 WY174 = 2002 CJ153 
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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