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12191 Vorontsova (1978 TT8)
Classification: Main-belt Asteroid          SPK-ID: 2012191
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 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2732493140615976 7.6595e-08  
a 2.59596183991958 2.1789e-08 AU
q 1.886617047831472 2.07e-07 AU
i 5.079171227725216 6.3674e-06 deg
node 56.11973297486988 8.5552e-05 deg
peri 275.3658019705629 8.6077e-05 deg
M 268.5741099876983 1.2683e-05 deg
tp 2457388.482894851019
(2015-Dec-31.98289485)
5.6581e-05 JED
period 1527.727453652058
4.18
1.9234e-05
5.266e-08
d
yr
n .2356441256190127 2.9668e-09 deg/d
Q 3.305306632007688 2.7743e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      1105  
   data-arc span      13405 days (36.70 yr)  
   first obs. used      1978-10-09  
   last obs. used      2015-06-22  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .4638  
   data source      ORB  
   producer      Otto Matic  
   solution date      2015-Jul-06 12:08:54  

Additional Information
 Earth MOID = .885115 AU 
 T_jup = 3.358 
[ 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 13.3 mag n/a MPO337362  

12191 Vorontsova           Discovered 1978 Oct. 9 by L. V. Zhuravleva at the Crimean Astrophysical Observatory.
Margarita Alekseevna Vorontsova (b. 1923) is a pediatrician at the Simferopol children's hospital who has treated children for more than 50 years.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20040504/MPCPages.arcLast Updated: 2004-05-11

Alternate Designations
 1978 TT8 = 1978 WA15 = 1995 WA7 
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]
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