Skip Page Navigation
NASA JPL Caltech
NASA Logo - Jet Propulsion Laboratory + View the NASA Portal
+ Near-Earth Object (NEO) Program
Search JPL
JPL Home Earth Solar System Stars & Galaxies Technology
JPL Solar System Dynamics
BODIES ORBITS EPHEMERIDES TOOLS PHYSICAL DATA DISCOVERY FAQ SITE MAP
JPL Small-Body Database Browser
Search: [ help ]  
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 2456400.5 (2013-Apr-18.0) TDB
Reference: JPL 1 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2723722928304706 8.156e-08  
a 2.597654706963508 2.5255e-08 AU
q 1.890125538445993 2.1909e-07 AU
i 5.079274539008805 7.7283e-06 deg
node 56.14967984147285 9.5098e-05 deg
peri 275.4261790796735 9.5884e-05 deg
M 127.0858510995483 1.3943e-05 deg
tp 2455860.659751420568
(2011-Oct-26.15975142)		 5.6911e-05 JED
period 1529.222079461575
4.19		 2.2301e-05
6.106e-08		 d
yr
n .2354138125750529 3.4331e-09 deg/d
Q 3.305183875481023 3.2133e-08 AU
   Orbit Determination Parameters
   # obs. used (total)      945  
   data-arc span      12603 days (34.51 yr)  
   first obs. used      1978-10-09  
   last obs. used      2013-04-11  
   planetary ephem.      DE405  
   SB-pert. ephem.      SB405-CPV-2  
   condition code      0  
   fit RMS      .49349  
   data source      ORB  
   producer      Otto Matic  
   solution date      2013-Apr-29 13:47:38  

Additional Information
 Earth MOID = .887749 AU 
 T_jup = 3.357 
[ 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 13.6 mag n/a PDS3 (MPC 36657)  

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 ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2013-May-23 16:27 UT
(server date/time)   		NASA Home Page
Site Manager:   Donald K. Yeomans
Webmaster:   Alan B. Chamberlin