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21076 Kokoschka (1991 RG4)
Classification: Main-belt Asteroid          SPK-ID: 2021076
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2236977999290714 4.0372e-08  
a 2.417168208685848 9.2591e-09 au
q 1.876452998344329 9.95e-08 au
i 1.508061794069772 4.0093e-06 deg
node 278.6951004803606 0.00016833 deg
peri 59.0750128128626 0.0001686 deg
M 350.9836849963257 1.3191e-05 deg
tp 2459430.878372489351
(2021-Aug-04.37837249)
5.0432e-05 TDB
period 1372.646595768095
3.76
7.887e-06
2.159e-08
d
yr
n .2622670694043823 1.5069e-09 deg/d
Q 2.957883419027367 1.133e-08 au
  Orbit Determination Parameters
   # obs. used (total)      901  
   data-arc span      25776 days (70.57 yr)  
   first obs. used      1950-12-11  
   last obs. used      2021-07-07  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .53176  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jul-09 10:11:57  

Additional Information
 Earth MOID = .867018 au 
 Jupiter MOID = 2.43572 au 
 T_jup = 3.481 
[ 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 15.61   n/a E2021B10  

21076 Kokoschka           Discovered 1991 Sept. 12 by F. Borngen and L. D. Schmadel at Tautenburg.
Austrian expressionist painter, graphic artist and writer Oskar Kokoschka (1886-1980) was known for his portraits, landscapes and views of famous towns, produced in a monumental manner and expressive colors. He emigrated in the 1930s and from 1953 lived in Switzerland.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20010509/MPCPages.arcLast Updated: 2009-05-11

Alternate Designations
 1991 RG4 = 1997 EP1 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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