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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 ]

[ show orbit diagram ]
Orbital Elements at Epoch 2457000.5 (2014-Dec-09.0) TDB
Reference: JPL 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2619929405435725 7.8314e-08  
a 2.745522288800637 2.5257e-08 AU
q 2.026214831029838 2.2318e-07 AU
i 10.7975922865689 7.0455e-06 deg
node 101.0310019120104 4.0058e-05 deg
peri 206.2815629874432 4.2306e-05 deg
M 261.1966662502123 1.5291e-05 deg
tp 2457456.542150792954
(2016-Mar-09.04215079)
7.4472e-05 JED
period 1661.635979826605
4.55
2.2929e-05
6.278e-08
d
yr
n .2166539509078075 2.9896e-09 deg/d
Q 3.464829746571436 3.1874e-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 = 1.01815 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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