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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 7 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2731439377697412 7.9972e-08  
a 2.595956267784255 2.2491e-08 AU
q 1.886886550523623 2.1343e-07 AU
i 5.079062125393131 7.0448e-06 deg
node 56.12148977750384 9.4071e-05 deg
peri 275.3748003056046 9.4602e-05 deg
M 221.4194121532176 1.441e-05 deg
tp 2457388.590797069041
(2016-Jan-01.09079707)
6.5544e-05 JED
period 1527.722534839648
4.18
1.9854e-05
5.436e-08
d
yr
n .2356448843230464 3.0624e-09 deg/d
Q 3.305025985044888 2.8635e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      1003  
   data-arc span      12966 days (35.50 yr)  
   first obs. used      1978-10-09  
   last obs. used      2014-04-09  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .50071  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Apr-17 14:01:47  

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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