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12189 Dovgyj (1978 RQ1)
Classification: Main-belt Asteroid          SPK-ID: 2012189
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2457600.5 (2016-Jul-31.0) TDB
Reference: JPL 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1500029488866515 3.9306e-08  
a 2.290709256454465 1.1787e-08 au
q 1.947096112944346 8.9824e-08 au
i 5.683420059808858 5.1697e-06 deg
node 176.4254777043446 4.867e-05 deg
peri 144.8802364683733 5.3418e-05 deg
M 359.8093200104552 2.5505e-05 deg
tp 2457601.170742772489
(2016-Jul-31.67074277)
8.972e-05 JED
period 1266.348916173014
3.47
9.7744e-06
2.676e-08
d
yr
n .2842818400223713 2.1943e-09 deg/d
Q 2.634322399964583 1.3556e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1156  
   data-arc span      13456 days (36.84 yr)  
   first obs. used      1978-09-05  
   last obs. used      2015-07-09  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .55153  
   data source      ORB  
   producer      Otto Matic  
   solution date      2015-Sep-02 14:35:04  

Additional Information
 Earth MOID = .937425 au 
 Jupiter MOID = 2.66576 au 
 T_jup = 3.577 
[ show covariance matrix ]

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

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 14.5 mag n/a MPO337362  

12189 Dovgyj           Discovered 1978 Sept. 5 by N. S. Chernykh at the Crimean Astrophysical Observatory.
Stanislav Alekseevich Dovgyj (b. 1954), a corresponding member of the Ukrainian National Academy of Sciences, is a scientist in the field of mechanics, known for his research on the mathematical simulation of geophysical processes and on the problems of ecological safety.
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
 1978 RQ1 = 1991 GN13 = 1998 HR5 
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]
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