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JPL Small-Body Database Browser
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266199 (2006 WH2)
Classification: Main-belt Asteroid          SPK-ID: 2266199
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 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .165301984115998 6.2013e-08  
a 2.452942315333178 2.2003e-08 au
q 2.047466083686513 1.5723e-07 au
i 14.05896722990737 6.9536e-06 deg
node 112.9467796261041 2.4469e-05 deg
peri 268.0999604765352 3.382e-05 deg
M 124.3866941760218 2.7046e-05 deg
tp 2458115.657307131916
(2017-Dec-28.15730713)
0.00010287 TDB
period 1403.231837526857
3.84
1.888e-05
5.169e-08
d
yr
n .2565506214813986 3.4519e-09 deg/d
Q 2.858418546979842 2.564e-08 au
  Orbit Determination Parameters
   # obs. used (total)      460  
   data-arc span      7448 days (20.39 yr)  
   first obs. used      1998-10-18  
   last obs. used      2019-03-10  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .58876  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-14 08:43:43  

Additional Information
 Earth MOID = 1.10549 au 
 Jupiter MOID = 2.71629 au 
 T_jup = 3.435 
[ 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 15.8   n/a MPO433728  
rotation period rot_per 16. h n/a LCDB (Rev. 2019-January); Warner et al., 2009 lower-limit; Result based on less than full coverage, so that the period may be wrong by 30 percent or so.
Published Reference List:
[Warner, B.D. (2011) Minor Planet Bull. 38, 142-149.]

266199 (2006 WH2)          Discovered 2006-Nov-17 by Jarnac at Vail-Jarnac
Reference: 20110218/Numbers.arcLast Updated: 2011-02-22

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