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12593 Shashlov (1999 RQ136)
Classification: Main-belt Asteroid          SPK-ID: 2012593
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 36 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09077863943425822 2.6052e-08  
a 2.396741641468234 8.8025e-09 au
q 2.179168696180317 6.3735e-08 au
i 3.944084935910845 3.6525e-06 deg
node 158.2356335510349 4.5686e-05 deg
peri 126.9265352075633 5.0602e-05 deg
M 255.8170002061173 2.2639e-05 deg
tp 2459392.715377033251
(2021-Jun-27.21537703)
8.5808e-05 TDB
period 1355.283837202977
3.71
7.4663e-06
2.044e-08
d
yr
n .2656270148863907 1.4633e-09 deg/d
Q 2.614314586756151 9.6015e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1896  
   data-arc span      14089 days (38.57 yr)  
   first obs. used      1981-10-24  
   last obs. used      2020-05-21  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .47866  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-13 02:51:54  

Additional Information
 Earth MOID = 1.16558 au 
 Jupiter MOID = 2.49436 au 
 T_jup = 3.520 
[ 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 14.6   n/a MPO309250  
diameter diameter 3.017 km 0.091 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.337   0.024 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

12593 Shashlov           Discovered 1999 Sept. 9 by the Lincoln Laboratory Near-Earth Asteroid Research Team at Socorro.
Anthon Michailovich Shashlov (b. 1986) is a finalist in the 2002 Intel International Science and Engineering Fair for his computer science project. He attends the Gymnasium 1520 named after Kaptsov, Moscow, Russia.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20020724/MPCPages.arcLast Updated: 2003-10-02

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Alternate Designations
 1999 RQ136 = 1981 US24 = 1998 FU35 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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