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226235 (2002 WH30)
Classification: Main-belt Asteroid          SPK-ID: 2226235
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 7 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2317395686072381 7.9127e-08  
a 2.311454499738927 1.8563e-08 au
q 1.775799031114169 1.8354e-07 au
i 7.17905071442544 1.6087e-05 deg
node 68.75638122963379 6.4688e-05 deg
peri 280.4123784232872 7.4986e-05 deg
M 44.26808574413882 3.2163e-05 deg
tp 2458842.660865097033
(2019-Dec-25.16086510)
0.00011445 TDB
period 1283.590370125533
3.51
1.5462e-05
4.233e-08
d
yr
n .2804633069698027 3.3785e-09 deg/d
Q 2.847109968363685 2.2864e-08 au
  Orbit Determination Parameters
   # obs. used (total)      132  
   data-arc span      5615 days (15.37 yr)  
   first obs. used      2002-11-02  
   last obs. used      2018-03-18  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .62788  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-14 11:52:54  

Additional Information
 Earth MOID = .787165 au 
 Jupiter MOID = 2.61362 au 
 T_jup = 3.538 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 17.4   n/a MPO234208  

226235 (2002 WH30)          Discovered 2002-Nov-24 by NEAT at Palomar
Reference: 20091202/Numbers.arcLast Updated: 2009-12-04
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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