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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 10 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .273249320040852 7.8987e-08  
a 2.595961841124198 2.2867e-08 AU
q 1.886617033185012 2.1189e-07 AU
i 5.079172566061722 6.5626e-06 deg
node 56.11970665551851 9.3742e-05 deg
peri 275.3658289591832 9.4149e-05 deg
M 268.5741086740928 1.3459e-05 deg
tp 2457388.482900695607
(2015-Dec-31.98290070)
6.0221e-05 JED
period 1527.727454715437
4.18
2.0186e-05
5.527e-08
d
yr
n .2356441254549919 3.1136e-09 deg/d
Q 3.305306649063383 2.9115e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      1013  
   data-arc span      13037 days (35.69 yr)  
   first obs. used      1978-10-09  
   last obs. used      2014-06-19  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .47378  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Jul-14 12:27:51  

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 13.2 mag n/a MPO263458  

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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