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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 8 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1494464470976995 4.0434e-08  
a 2.291661105109662 1.2355e-08 AU
q 1.949180494999035 9.1793e-08 AU
i 5.680570868145494 5.3858e-06 deg
node 176.431337736123 5.9154e-05 deg
peri 144.7174986400668 6.3749e-05 deg
M 189.4060426822775 2.5777e-05 deg
tp 2457600.961491382206
(2016-Jul-31.46149138)
9.3136e-05 JED
period 1267.138299013696
3.47
1.0247e-05
2.805e-08
d
yr
n .284104742379118 2.2975e-09 deg/d
Q 2.634141715220289 1.4201e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      1007  
   data-arc span      12927 days (35.39 yr)  
   first obs. used      1978-09-05  
   last obs. used      2014-01-26  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .54407  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Jun-09 20:18:17  

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 14.4 mag n/a PDS3 (MPC 36656)  

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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