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266916 (2009 YJ22)
Classification: Main-belt Asteroid          SPK-ID: 2266916
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 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1276547081459417 5.4123e-08  
a 2.290337154597489 2.1463e-08 au
q 1.99796483357154 1.2202e-07 au
i 5.905416161572184 5.2064e-06 deg
node 278.7278748263856 5.693e-05 deg
peri 311.7306284687103 6.1395e-05 deg
M 255.7481719860219 2.5533e-05 deg
tp 2459367.130619465984
(2021-Jun-01.63061947)
9.2842e-05 TDB
period 1266.040370918555
3.47
1.7796e-05
4.872e-08
d
yr
n .2843511220252857 3.997e-09 deg/d
Q 2.582709475623437 2.4203e-08 au
  Orbit Determination Parameters
   # obs. used (total)      302  
   data-arc span      7264 days (19.89 yr)  
   first obs. used      2000-03-09  
   last obs. used      2020-01-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55952  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-25 12:50:46  

Additional Information
 Earth MOID = .992589 au 
 Jupiter MOID = 2.43402 au 
 T_jup = 3.581 
[ 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 MPO300243  

266916 (2009 YJ22)          Discovered 2009-Dec-17 by Spacewatch at Kitt Peak
Reference: 20110218/Numbers.arcLast Updated: 2011-02-22

[ show close-approach data ]
Alternate Designations
 2009 YJ22 = 2001 SD171 = 2005 VT114 = 2007 EW193 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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