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233420 (2006 HE)
Classification: Main-belt Asteroid          SPK-ID: 2233420
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 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08411467590143479 6.946e-08  
a 2.767425119222487 2.524e-08 au
q 2.534644052237598 1.8966e-07 au
i 3.381223141000781 7.0363e-06 deg
node 208.7629397604578 0.00010131 deg
peri 218.6992687963782 0.00011175 deg
M 147.5693548018817 4.494e-05 deg
tp 2458311.203739387429
(2018-Jul-11.70373939)
0.00020803 TDB
period 1681.559522664264
4.60
2.3005e-05
6.298e-08
d
yr
n .2140869800609947 2.9288e-09 deg/d
Q 3.000206186207377 2.7363e-08 au
  Orbit Determination Parameters
   # obs. used (total)      197  
   data-arc span      8392 days (22.98 yr)  
   first obs. used      1997-05-06  
   last obs. used      2020-04-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57667  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-21 11:09:59  

Additional Information
 Earth MOID = 1.54945 au 
 Jupiter MOID = 2.23625 au 
 T_jup = 3.331 
[ 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 16.6   n/a MPO422904  

233420 (2006 HE)          Discovered 2006-Apr-18 by Spacewatch at Kitt Peak
Reference: 20100228/Numbers.arcLast Updated: 2010-03-03

[ show close-approach data ]
Alternate Designations
 2006 HE = 2008 UB16 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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