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41107 Ropakov (1999 VX72)
Classification: Main-belt Asteroid          SPK-ID: 2041107
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


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Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2576806705864214 6.0075e-08  
a 2.472197310990124 1.3487e-08 au
q 1.835159850072241 1.5012e-07 au
i 5.410573212667254 4.6088e-06 deg
node 22.84859055539767 6.3958e-05 deg
peri 311.8141156454541 6.4572e-05 deg
M 53.89698004832617 8.895e-06 deg
tp 2458387.938281689064
(2018-Sep-26.43828169)
3.5071e-05 TDB
period 1419.78675842921
3.89
1.1618e-05
3.181e-08
d
yr
n .2535592037766913 2.0749e-09 deg/d
Q 3.109234771908007 1.6962e-08 au
  Orbit Determination Parameters
   # obs. used (total)      952  
   data-arc span      9949 days (27.24 yr)  
   first obs. used      1991-09-13  
   last obs. used      2018-12-09  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .46383  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 02:14:17  

Additional Information
 Earth MOID = .830168 au 
 Jupiter MOID = 2.28785 au 
 T_jup = 3.431 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 15.6   n/a MPO449252  

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 | Mission Design | Physical Parameters | Discovery Circumstances ]
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