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227561 (2005 YX189)
Classification: Main-belt Asteroid          SPK-ID: 2227561
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 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1234796211817441 5.0372e-08  
a 3.031070765827697 2.657e-08 au
q 2.656795295888233 1.6098e-07 au
i 4.973030753358937 5.69e-06 deg
node 243.1045912095783 6.6346e-05 deg
peri 195.3636799448635 7.2253e-05 deg
M 318.1867886881294 2.6656e-05 deg
tp 2459424.373950617722
(2021-Jul-28.87395062)
0.00014321 TDB
period 1927.491806865823
5.28
2.5344e-05
6.939e-08
d
yr
n .1867712219152693 2.4558e-09 deg/d
Q 3.40534623576716 2.9851e-08 au
  Orbit Determination Parameters
   # obs. used (total)      359  
   data-arc span      9034 days (24.73 yr)  
   first obs. used      1996-03-27  
   last obs. used      2020-12-20  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .54901  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-14 00:40:15  

Additional Information
 Earth MOID = 1.67221 au 
 Jupiter MOID = 1.84567 au 
 T_jup = 3.226 
[ 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 15.98   n/a E2021B55  

227561 (2005 YX189)          Discovered 2005-Dec-30 by LINEAR at Socorro
Reference: 20091202/Numbers.arcLast Updated: 2009-12-04

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