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295921 (2008 WH134)
Classification: Main-belt Asteroid          SPK-ID: 2295921
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 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .02885793583155078 7.9203e-08  
a 2.673833548187307 3.5584e-08 au
q 2.59667223122947 2.302e-07 au
i 6.460776853923674 4.9271e-06 deg
node 111.0855428053518 7.2573e-05 deg
peri 240.440109884 0.00012302 deg
M 296.5820974250376 0.00010142 deg
tp 2459281.825664006395
(2021-Mar-08.32566401)
0.00045097 TDB
period 1596.981844717881
4.37
3.188e-05
8.728e-08
d
yr
n .2254252302183165 4.5e-09 deg/d
Q 2.750994865145144 3.6611e-08 au
  Orbit Determination Parameters
   # obs. used (total)      234  
   data-arc span      7121 days (19.50 yr)  
   first obs. used      2001-01-21  
   last obs. used      2020-07-21  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52548  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-11 19:47:45  

Additional Information
 Earth MOID = 1.59503 au 
 Jupiter MOID = 2.37314 au 
 T_jup = 3.370 
[ 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 16.0   n/a MPO433907  

295921 (2008 WH134)          Discovered 2008-Nov-21 by Mt. Lemmon Survey at Mount Lemmon
Reference: 20110912/Numbers.arcLast Updated: 2011-09-14

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