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12187 Lenagoryunova (1977 RL7)
Classification: Main-belt Asteroid          SPK-ID: 2012187
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 4 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2419005073204923 8.8285e-08  
a 2.661350989991029 1.537e-08 AU
q 2.017568835354305 2.3052e-07 AU
i 13.30298186021887 9.2559e-06 deg
node 193.8423492136628 2.6005e-05 deg
peri 195.7081567641203 2.9444e-05 deg
M 146.5937435398378 1.4805e-05 deg
tp 2456154.749733739881
(2012-Aug-15.24973374)
6.2048e-05 JED
period 1585.811851448267
4.34
1.3737e-05
3.761e-08
d
yr
n .2270130593810511 1.9665e-09 deg/d
Q 3.305133144627753 1.9088e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      744  
   data-arc span      13358 days (36.57 yr)  
   first obs. used      1977-09-11  
   last obs. used      2014-04-08  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .59987  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Apr-17 14:01:47  

Additional Information
 Earth MOID = 1.02361 AU 
 T_jup = 3.306 
[ 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 13.8 mag n/a MPO256955  

12187 Lenagoryunova           Discovered 1977 Sept. 11 by N. S. Chernykh at the Crimean Astrophysical Observatory.
Elena (Lena) Viktorovna Goryunova (b. 1961), hydrologist at Sebastopol Institute of Hydrography, is a friend of the discoverer's daughter.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20010902/MPCPages.arcLast Updated: 2009-05-11

Alternate Designations
 1977 RL7 = 1990 SL1 
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]
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