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161693 Attilladanko (2006 HL46)
Classification: Main-belt Asteroid          SPK-ID: 2161693
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2457400.5 (2016-Jan-13.0) TDB
Reference: JPL 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .262212103989426 7.8317e-08  
a 2.745568065594462 2.513e-08 au
q 2.02564688646876 2.2324e-07 au
i 10.79744936299904 7.0453e-06 deg
node 101.0273454517119 4.0061e-05 deg
peri 206.302548611415 4.2302e-05 deg
M 347.8641758750799 1.6015e-05 deg
tp 2457456.516184292383
(2016-Mar-09.01618429)
7.4417e-05 JED
period 1661.677537320983
4.55
2.2814e-05
6.246e-08
d
yr
n .2166485325308093 2.9745e-09 deg/d
Q 3.465489244720164 3.172e-08 au
  Orbit Determination Parameters
   # obs. used (total)      387  
   data-arc span      9886 days (27.07 yr)  
   first obs. used      1988-07-12  
   last obs. used      2015-08-06  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .59862  
   data source      ORB  
   producer      Otto Matic  
   solution date      2015-Sep-02 18:20:46  

Additional Information
 Earth MOID = 1.01467 au 
 Jupiter MOID = 1.8046 au 
 T_jup = 3.272 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 15.1 mag n/a MPO260172  

161693 Attilladanko           Discovered 2006 Apr. 26 by A. Lowe at RAS Observatory, Mayhill.
Attilla Danko (b. 1955) is a Canadian software designer and amateur astronomer. He developed and maintains the Clear Sky Charts, which are a primary planning tool for astronomical observers in North America.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20091004/MPCPages.arcLast Updated: 2009-10-06

[ show close-approach data ]
Alternate Designations
 2006 HL46 = 1997 GO29 = 2003 YT100 
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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