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212345 (2005 UW13)
Classification: Outer Main-belt Asteroid          SPK-ID: 2212345
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 9 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1680744061398227 6.7863e-08  
a 3.984077004774525 1.0911e-07 au
q 3.314455628181723 3.2188e-07 au
i 2.235495972064539 8.5734e-06 deg
node 205.7567862177449 0.00018727 deg
peri 60.97169379925309 0.00018932 deg
M 43.98820197766342 3.4481e-05 deg
tp 2458645.585516556762
(2019-Jun-11.08551656)
0.00026997 TDB
period 2904.624610581835
7.95
0.00011932
3.267e-07
d
yr
n .1239402842930148 5.0915e-09 deg/d
Q 4.653698381367327 1.2745e-07 au
  Orbit Determination Parameters
   # obs. used (total)      158  
   data-arc span      5852 days (16.02 yr)  
   first obs. used      2002-04-15  
   last obs. used      2018-04-23  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .60103  
   source      ORB  
   producer      Otto Matic  
   solution date      2018-May-07 06:06:09  

Additional Information
 Earth MOID = 2.29938 au 
 Jupiter MOID = .453929 au 
 T_jup = 3.030 
[ 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 14.9   n/a MPO440125  

212345 (2005 UW13)          Discovered 2005-Oct-22 by Spacewatch at Kitt Peak
Reference: 20090409/Numbers.arcLast Updated: 2009-04-10

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