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233942 (2009 WH6)
Classification: Main-belt Asteroid          SPK-ID: 2233942
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 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09852667921204396 4.9343e-08  
a 3.019666737942003 4.1439e-08 au
q 2.722149001925513 1.518e-07 au
i 7.655991410324782 5.3725e-06 deg
node 210.0777512367632 3.6763e-05 deg
peri 281.8672141886009 4.7429e-05 deg
M 303.8975903508307 3.0194e-05 deg
tp 2459299.186754489040
(2021-Mar-25.68675449)
0.00016354 TDB
period 1916.624121645846
5.25
3.9453e-05
1.08e-07
d
yr
n .18783025630026 3.8664e-09 deg/d
Q 3.317184473958495 4.5522e-08 au
  Orbit Determination Parameters
   # obs. used (total)      277  
   data-arc span      5913 days (16.19 yr)  
   first obs. used      2003-09-20  
   last obs. used      2019-11-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54383  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-14 16:01:08  

Additional Information
 Earth MOID = 1.74943 au 
 Jupiter MOID = 1.78207 au 
 T_jup = 3.226 
[ 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 MPO413119  

233942 (2009 WH6)          Discovered 2009-Nov-18 by Lowe, A. at Mayhill
Reference: 20100228/Numbers.arcLast Updated: 2010-03-03

[ show close-approach data ]
Alternate Designations
 2009 WH6 = 2008 RC51 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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