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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 2457000.5 (2014-Dec-09.0) TDB
Reference: JPL 6 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2619929688644688 9.0699e-08  
a 2.745522295639921 2.7107e-08 AU
q 2.026214758321626 2.5263e-07 AU
i 10.79758764616801 9.4795e-06 deg
node 101.0309935571264 4.2402e-05 deg
peri 206.2815707284387 4.4568e-05 deg
M 261.1966638190114 1.5493e-05 deg
tp 2457456.542163718589
(2016-Mar-09.04216372)
7.5751e-05 JED
period 1661.635986035479
4.55
2.4608e-05
6.737e-08
d
yr
n .2166539500982577 3.2086e-09 deg/d
Q 3.464829832958216 3.4209e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      286  
   data-arc span      9450 days (25.87 yr)  
   first obs. used      1988-07-12  
   last obs. used      2014-05-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .61773  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Jun-16 17:11:35  

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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