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4671 Drtikol (1988 AK1)
Classification: Main-belt Asteroid          SPK-ID: 2004671
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 35 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06176261062855912 3.8091e-08  
a 2.385467783311628 8.1066e-09 au
q 2.23813506544398 9.2493e-08 au
i 4.813482521571276 4.2221e-06 deg
node 349.2667178624158 3.8613e-05 deg
peri 332.6313255645466 4.9554e-05 deg
M 75.10327897114381 2.9991e-05 deg
tp 2458719.752978126319
(2019-Aug-24.25297813)
0.00011249 TDB
period 1345.732560003911
3.68
6.8598e-06
1.878e-08
d
yr
n .2675122908514259 1.3636e-09 deg/d
Q 2.532800501179276 8.6073e-09 au
  Orbit Determination Parameters
   # obs. used (total)      2257  
   data-arc span      23964 days (65.61 yr)  
   first obs. used      1955-03-23  
   last obs. used      2020-10-31  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .47189  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-13 03:49:40  

Additional Information
 Earth MOID = 1.22702 au 
 Jupiter MOID = 2.64685 au 
 T_jup = 3.528 
[ show covariance matrix ]

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 13.2   n/a MPO279563  
diameter diameter 6.177 km 0.061 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.266   0.058 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

4671 Drtikol           Discovered 1988 Jan. 10 by A. Mrkos at Klet.
Named in memory of František Drtikol (1883-1961), outstanding Czech photographer well-known for his black-and-white portraits in the Art Nouveau style and fine-art nude studies using geometric patterns of shadows and light. Name suggested by M. Tichy.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 19990402/MPCPages.arcLast Updated: 2010-06-11

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Alternate Designations
 1988 AK1 = 1974 HM2 = 1986 RR7 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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