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41107 Ropakov (1999 VX72)
Classification: Main-belt Asteroid          SPK-ID: 2041107
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 8 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2595508332361215 8.3223e-08  
a 2.470629912621847 2.188e-08 au
q 1.82937586018276 2.1052e-07 au
i 5.414145719252391 8.0022e-06 deg
node 22.86568261315509 0.00010763 deg
peri 311.600674541683 0.00010959 deg
M 109.9082648989992 2.1847e-05 deg
tp 2456967.450221536626
(2014-Nov-05.95022154)
8.4647e-05 JED
period 1418.436733489314
3.88
1.8843e-05
5.159e-08
d
yr
n .2538005337146129 3.3715e-09 deg/d
Q 3.111883965060933 2.7559e-08 au
  Orbit Determination Parameters
   # obs. used (total)      273  
   data-arc span      8860 days (24.26 yr)  
   first obs. used      1991-09-13  
   last obs. used      2015-12-16  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .55708  
   data source      ORB  
   producer      Otto Matic  
   solution date      2016-Jan-04 14:42:27  

Additional Information
 Earth MOID = .823315 au 
 Jupiter MOID = 2.27662 au 
 T_jup = 3.431 
[ 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 15.6 mag n/a MPO359003  

41107 Ropakov           Discovered 1999 Nov. 1 by E. W. Elst and S. Ipatov at Uccle.
Ivan V. Ropakov (1892-1992), grandfather of the second discoverer, was a very brave man and the director of a small butter industry in the village of Pogoreika (Vologodskaya region, Russia).
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20081212/MPCPages.arcLast Updated: 2008-12-12

Alternate Designations
 1999 VX72 = 1991 RS5 
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]
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