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212898 (2007 WT5)
Classification: Main-belt Asteroid          SPK-ID: 2212898
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 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1250143271235933 7.0959e-08  
a 2.628095497748915 2.8823e-08 au
q 2.29954590748129 1.8777e-07 au
i 11.14976243692759 7.6365e-06 deg
node 257.7146429701236 3.9529e-05 deg
peri 255.6799028762374 4.9213e-05 deg
M 254.0256073843552 3.2304e-05 deg
tp 2459458.598189738042
(2021-Sep-01.09818974)
0.00014309 TDB
period 1556.181113524485
4.26
2.5601e-05
7.009e-08
d
yr
n .2313355411341944 3.8057e-09 deg/d
Q 2.956645088016541 3.2426e-08 au
  Orbit Determination Parameters
   # obs. used (total)      237  
   data-arc span      5765 days (15.78 yr)  
   first obs. used      2003-12-19  
   last obs. used      2019-10-01  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .63202  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-07 23:47:26  

Additional Information
 Earth MOID = 1.34058 au 
 Jupiter MOID = 2.19275 au 
 T_jup = 3.364 
[ 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 15.7   n/a MPO454528  

212898 (2007 WT5)          Discovered 2007-Nov-17 by LINEAR at Socorro
Reference: 20090409/Numbers.arcLast Updated: 2009-04-10

[ show close-approach data ]
Alternate Designations
 2007 WT5 = 2003 YP59 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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