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7268 Chigorin (1972 TF)
Classification: Main-belt Asteroid          SPK-ID: 2007268
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 40 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1875376049946813 1.7115e-08  
a 2.26409866478794 5.3559e-09 au
q 1.839495023721953 4.0134e-08 au
i 4.508445316397566 9.3705e-07 deg
node 179.2187149268435 4.613e-06 deg
peri 189.8418221662731 6.211e-06 deg
M 56.27853756205717 6.0985e-06 deg
tp 2459005.972165395087
(2020-Jun-05.47216540)
2.0721e-05 TDB
period 1244.346841467729
3.41
4.4154e-06
1.209e-08
d
yr
n .2893084050226492 1.0266e-09 deg/d
Q 2.688702305853925 6.3603e-09 au
  Orbit Determination Parameters
   # obs. used (total)      2377  
   data-arc span      25889 days (70.88 yr)  
   first obs. used      1950-04-17  
   last obs. used      2021-03-04  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .48454  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-12 19:33:20  

Additional Information
 Earth MOID = .837299 au 
 Jupiter MOID = 2.77465 au 
 T_jup = 3.590 
[ 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 14.12   n/a E2021B10  

7268 Chigorin           Discovered 1972 Oct. 3 by L. V. Zhuravleva at the Crimean Astrophysical Observatory.
Mikhail Ivanovich Chigorin (1850-1908), founder of the Russian chess school, was Russian chess champion from 1899 to 1906. He gained victories in international chess tournaments in New York (1889), Budapest (1896) and Vienna (1903).
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20010309/MPCPages.arcLast Updated: 2009-05-11

Alternate Designations
 1972 TF = 1962 WW = 1989 SH11 = 1989 TY17 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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