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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 2456800.5 (2014-May-23.0) TDB
Reference: JPL 6 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2731439402259681 8.0091e-08  
a 2.595956265292654 2.3213e-08 AU
q 1.88688654233633 2.1399e-07 AU
i 5.07906029872548 7.3191e-06 deg
node 56.12148745489434 9.4126e-05 deg
peri 275.3748045525947 9.4762e-05 deg
M 221.4194117874501 1.4432e-05 deg
tp 2457388.590797774564
(2016-Jan-01.09079777)
6.5559e-05 JED
period 1527.722532640184
4.18
2.0491e-05
5.61e-08
d
yr
n .2356448846623046 3.1607e-09 deg/d
Q 3.305025988248978 2.9553e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      978  
   data-arc span      12933 days (35.41 yr)  
   first obs. used      1978-10-09  
   last obs. used      2014-03-07  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .49138  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Mar-22 10:59:46  

Additional Information
 Earth MOID = .883609 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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