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

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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2630071631238386 3.6855e-08  
a 2.744369624632735 1.4404e-08 au
q 2.022580755094845 1.0062e-07 au
i 10.79948303374629 4.2412e-06 deg
node 101.0148261297545 2.8281e-05 deg
peri 206.0613015048648 2.9801e-05 deg
M 60.63317415324783 1.1157e-05 deg
tp 2459116.814381128848
(2020-Sep-24.31438113)
5.0108e-05 TDB
period 1660.589672233434
4.55
1.3073e-05
3.579e-08
d
yr
n .2167904606535417 1.7067e-09 deg/d
Q 3.466158494170624 1.8192e-08 au
  Orbit Determination Parameters
   # obs. used (total)      629  
   data-arc span      12079 days (33.07 yr)  
   first obs. used      1988-07-12  
   last obs. used      2021-08-07  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .56485  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Aug-25 02:58:20  

Additional Information
 Earth MOID = 1.01283 au 
 Jupiter MOID = 1.81305 au 
 T_jup = 3.273 
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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 15.18   n/a E2021B55  
diameter diameter 5.275 km 0.265 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.058   0.014 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

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

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Alternate Designations
 2006 HL46 = 1997 GO29 = 2003 YT100 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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