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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 2457000.5 (2014-Dec-09.0) TDB
Reference: JPL 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1494464433836556 3.9322e-08  
a 2.29166110283966 1.1973e-08 AU
q 1.949180501579607 8.977e-08 AU
i 5.680569242663582 5.1673e-06 deg
node 176.431296326743 4.8894e-05 deg
peri 144.7175435840699 5.3656e-05 deg
M 189.4060407315897 2.4791e-05 deg
tp 2457600.961497356113
(2016-Jul-31.46149736)
9.0072e-05 JED
period 1267.138297130953
3.47
9.9303e-06
2.719e-08
d
yr
n .2841047428012474 2.2265e-09 deg/d
Q 2.634141704099714 1.3762e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      1152  
   data-arc span      13435 days (36.78 yr)  
   first obs. used      1978-09-05  
   last obs. used      2015-06-18  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .55199  
   data source      ORB  
   producer      Otto Matic  
   solution date      2015-Jul-06 12:08:54  

Additional Information
 Earth MOID = .940867 AU 
 T_jup = 3.576 
[ 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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