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227509 (2005 YM7)
Classification: Main-belt Asteroid          SPK-ID: 2227509
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 .0210562454541876 4.5925e-08  
a 2.868565703658418 2.6943e-08 au
q 2.808164480100722 1.2881e-07 au
i 3.244109469161359 5.1585e-06 deg
node 80.52769126753259 8.1518e-05 deg
peri 188.3289942411409 0.00014728 deg
M 231.8711327503515 0.00012501 deg
tp 2459832.097082711052
(2022-Sep-09.59708271)
0.00061807 TDB
period 1774.580191464251
4.86
2.5002e-05
6.845e-08
d
yr
n .202864881357069 2.8581e-09 deg/d
Q 2.928966927216114 2.751e-08 au
  Orbit Determination Parameters
   # obs. used (total)      259  
   data-arc span      5977 days (16.36 yr)  
   first obs. used      2004-09-07  
   last obs. used      2021-01-18  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53531  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Feb-24 20:00:07  

Additional Information
 Earth MOID = 1.7903 au 
 Jupiter MOID = 2.06631 au 
 T_jup = 3.296 
[ 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 16.37   n/a E2021B55  

227509 (2005 YM7)          Discovered 2005-Dec-22 by Spacewatch at Kitt Peak
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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