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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 2457400.5 (2016-Jan-13.0) TDB
Reference: JPL 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .27335228610705 7.6468e-08  
a 2.596585714976634 2.1784e-08 au
q 1.886803073714862 2.0681e-07 au
i 5.078751523314001 6.35e-06 deg
node 56.11698204142537 8.5027e-05 deg
peri 275.3257756383662 8.5564e-05 deg
M 2.856684019388626 1.3303e-05 deg
tp 2457388.372755692497
(2015-Dec-31.87275569)
5.6385e-05 JED
period 1528.278213855566
4.18
1.9232e-05
5.265e-08
d
yr
n .2355592042968316 2.9643e-09 deg/d
Q 3.306368356238405 2.7738e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1108  
   data-arc span      13419 days (36.74 yr)  
   first obs. used      1978-10-09  
   last obs. used      2015-07-06  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .46344  
   data source      ORB  
   producer      Otto Matic  
   solution date      2015-Oct-28 16:25:48  

Additional Information
 Earth MOID = .882711 au 
 Jupiter MOID = 2.08088 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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