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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 | Close-Approach Data ]

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Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .223578582811592 4.1491e-08  
a 2.416355268541852 9.6288e-09 au
q 1.87610998203194 1.0244e-07 au
i 1.508592773538 4.0244e-06 deg
node 278.7009456816481 0.00017539 deg
peri 59.15776401669949 0.00017567 deg
M 299.493880731983 1.3829e-05 deg
tp 2459431.087842823915
(2021-Aug-04.58784282)
5.3677e-05 TDB
period 1371.954182830706
3.76
8.2006e-06
2.245e-08
d
yr
n .2623994332356087 1.5684e-09 deg/d
Q 2.956600555051763 1.1782e-08 au
  Orbit Determination Parameters
   # obs. used (total)      859  
   data-arc span      25369 days (69.46 yr)  
   first obs. used      1950-12-11  
   last obs. used      2020-05-26  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53276  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-13 01:59:03  

Additional Information
 Earth MOID = .865615 au 
 Jupiter MOID = 2.43749 au 
 T_jup = 3.481 
[ 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 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

[ show close-approach data ]
Alternate Designations
 1991 RG4 = 1997 EP1 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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