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8717 Richviktorov (1995 SN29)
Classification: Main-belt Asteroid          SPK-ID: 2008717
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 29 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2011796889680202 3.5391e-08  
a 3.181026519647649 1.5148e-08 au
q 2.541068593825911 1.1327e-07 au
i 1.724661658737395 3.9467e-06 deg
node 143.5604646589532 0.00013547 deg
peri 250.1726339876383 0.00013579 deg
M 42.01479599518473 9.2608e-06 deg
tp 2458358.648313670780
(2018-Aug-28.14831367)
5.2829e-05 TDB
period 2072.284418291542
5.67
1.4802e-05
4.053e-08
d
yr
n .1737213274502134 1.2409e-09 deg/d
Q 3.820984445469387 1.8195e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1922  
   data-arc span      14781 days (40.47 yr)  
   first obs. used      1978-11-01  
   last obs. used      2019-04-21  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .51806  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-12 18:57:32  

Additional Information
 Earth MOID = 1.54748 au 
 Jupiter MOID = 1.61436 au 
 T_jup = 3.167 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 13.0   n/a MPO337330  
diameter diameter 12.467 km 0.217 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.082   0.009 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

8717 Richviktorov           Discovered 1995 Sept. 26 by T. V. Kryachko at the Zelenchukskaya Station of the Engelhardt Observatory/
Film director Richard Nikolaevich Viktorov (1929-1983) became a part of the history of the Soviet film fantasy with his films Moscow-Kassiopeja, Adolescents in the Universe and Through thorns to the stars. His epitaph reads "In art you will remain perpetually as knowledge of the cosmos is perpetual".
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20091202/MPCPages.arcLast Updated: 2010-04-12

[ show close-approach data ]
Alternate Designations
 1995 SN29 = 1978 VS15 = 1978 XM1 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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