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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 2456800.5 (2014-May-23.0) TDB
Reference: JPL 6 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2615425446494567 9.0599e-08  
a 2.746781586722407 2.7388e-08 AU
q 2.028381340934756 2.5236e-07 AU
i 10.79855215201622 9.4802e-06 deg
node 101.0410644683027 4.2379e-05 deg
peri 206.1980931364524 4.4571e-05 deg
M 217.9431821779308 1.5158e-05 deg
tp 2457456.636502237227
(2016-Mar-09.13650224)
7.5914e-05 JED
period 1662.779333134586
4.55
2.4869e-05
6.809e-08
d
yr
n .2165049762323823 3.2381e-09 deg/d
Q 3.465181832510057 3.4551e-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 = 1.01836 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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