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227545 (2005 YZ128)
Classification: Main-belt Asteroid          SPK-ID: 2227545
[ 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 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .04314196505484021 6.3821e-08  
a 2.728098604715781 2.5785e-08 au
q 2.610403070044975 1.7599e-07 au
i 7.340752866488387 5.148e-06 deg
node 105.067175738862 4.7803e-05 deg
peri 295.297677717816 7.5423e-05 deg
M 176.089145538499 5.8808e-05 deg
tp 2458395.457872566081
(2018-Oct-03.95787257)		 0.00026795 TDB
period 1645.843444750247
4.51		 2.3334e-05
6.389e-08		 d
yr
n .2187328333981542 3.1011e-09 deg/d
Q 2.845794139386587 2.6898e-08 au
   Orbit Determination Parameters
   # obs. used (total)      345  
   data-arc span      6005 days (16.44 yr)  
   first obs. used      2004-09-08  
   last obs. used      2021-02-16  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .54817  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-14 00:40:11  

Additional Information
 Earth MOID = 1.62842 au 
 Jupiter MOID = 2.34444 au 
 T_jup = 3.342 
[ 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 16.05   n/a E2021B55  

227545 (2005 YZ128)          Discovered 2005-Dec-25 by Sposetti, S. at Gnosca
Reference: 20091202/Numbers.arcLast Updated: 2009-12-04

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Alternate Designations
 2005 YZ128 = 2004 RD333 
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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