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6692 Antoninholy (1985 HL)
Classification: Main-belt Asteroid          SPK-ID: 2006692
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.


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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2446449058088369 4.3937e-08  
a 2.565339349592729 1.1049e-08 au
q 1.937742146043913 1.0931e-07 au
i 6.844455063050836 3.9073e-06 deg
node 172.3447578374958 3.2152e-05 deg
peri 16.40699385452055 3.3102e-05 deg
M 213.6944727174516 1.0154e-05 deg
tp 2459610.421431610576
(2022-Jan-30.92143161)
4.3932e-05 TDB
period 1500.775257490892
4.11
9.6957e-06
2.655e-08
d
yr
n .2398760228775858 1.5497e-09 deg/d
Q 3.192936553141545 1.3752e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1176  
   data-arc span      12614 days (34.54 yr)  
   first obs. used      1985-04-18  
   last obs. used      2019-10-31  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55046  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-07 02:56:23  

Additional Information
 Earth MOID = .940052 au 
 Jupiter MOID = 1.7629 au 
 T_jup = 3.380 
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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 14.2   n/a MPO492830  
diameter diameter 3.807 km 0.131 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.306   0.042 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

6692 Antonínholý           Discovered 1985 Apr. 18 by Z. Vavrova at Klet.
Antonín Holý (1936-2012) was a renowned Czech chemist who significantly contributed to the development of antiretroviral drugs used in the treatment of HIV and hepatitis B. He was the author of more than 400 scientific papers and was awarded with honorary degrees from several universities at home and abroad.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: MPC batch dated 2015-06-02Last Updated: 2015-06-04

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Alternate Designations
 1985 HL = 1952 DD3 = 1989 FD 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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