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JPL Small-Body Database Browser
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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 ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09861333294363039 5.0131e-08  
a 3.018457850049923 4.2292e-08 au
q 2.720797661106635 1.5292e-07 au
i 7.657501282150385 5.3752e-06 deg
node 210.0778203732227 3.7892e-05 deg
peri 282.1032723021426 4.8254e-05 deg
M 228.5077069670241 2.9503e-05 deg
tp 2459300.138819892818
(2021-Mar-26.63881989)
0.00016327 TDB
period 1915.473290120889
5.24
4.0257e-05
1.102e-07
d
yr
n .187943106206028 3.95e-09 deg/d
Q 3.31611803899321 4.6463e-08 au
  Orbit Determination Parameters
   # obs. used (total)      273  
   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      .53997  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-04 17:55:07  

Additional Information
 Earth MOID = 1.74842 au 
 Jupiter MOID = 1.78386 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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