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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 ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 41 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06174701046112831 1.6989e-08  
a 2.385946800858529 7.3335e-09 au
q 2.238621718786222 4.175e-08 au
i 4.813404912585106 5.8797e-07 deg
node 349.2621731647744 9.8559e-06 deg
peri 332.8212298821085 1.8143e-05 deg
M 128.4078447360116 1.5733e-05 deg
tp 2458720.348138668515
(2019-Aug-24.84813867)
5.9023e-05 TDB
period 1346.137928213803
3.69
6.2062e-06
1.699e-08
d
yr
n .2674317337434253 1.233e-09 deg/d
Q 2.533271882930837 7.7863e-09 au
  Orbit Determination Parameters
   # obs. used (total)      2505  
   data-arc span      24108 days (66.00 yr)  
   first obs. used      1955-03-23  
   last obs. used      2021-03-24  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .45975  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-May-03 21:46:39  

Additional Information
 Earth MOID = 1.22556 au 
 Jupiter MOID = 2.64573 au 
 T_jup = 3.528 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 13.29   n/a MPCxxxxx  
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

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