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9838 Falz-Fein (1987 RN6)
Classification: Main-belt Asteroid          SPK-ID: 2009838
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 33 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06067239186622583 4.1084e-08  
a 2.991741134989533 1.6715e-08 au
q 2.81022504448514 1.2449e-07 au
i 5.944848822955198 4.0768e-06 deg
node 79.8375780958759 4.4093e-05 deg
peri 317.6987178687796 5.756e-05 deg
M 82.33590635721345 3.6052e-05 deg
tp 2458568.213954996724
(2019-Mar-25.71395500)
0.0001895 TDB
period 1890.098537641778
5.17
1.584e-05
4.337e-08
d
yr
n .1904662602666006 1.5962e-09 deg/d
Q 3.173257225493924 1.7729e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2075  
   data-arc span      11916 days (32.62 yr)  
   first obs. used      1987-09-04  
   last obs. used      2020-04-19  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .45551  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 03:15:05  

Additional Information
 Earth MOID = 1.82155 au 
 Jupiter MOID = 2.12301 au 
 T_jup = 3.245 
[ 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 13.1   n/a MPO337341  
diameter diameter 13.013 km 0.093 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
rotation period rot_per 38.428 h n/a LCDB (Rev. 2019-August); Warner et al., 2009 Result based on less than full coverage, so that the period may be wrong by 30 percent or so.
Published Reference List:
[Waszczak, A.; Chang, C.-K.; Ofeck, E.O.; Laher, F.; et al. (2015) Astron. J. 150, A75.]
geometric albedo albedo 0.065   0.018 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

9838 Falz-Fein           Discovered 1987 Sept. 4 by L. V. Zhuravleva at the Crimean Astrophysical Observatory.
Baron Eduard Aleksandrovich von Falz-Fein (b. 1912) is an outstanding collector of works of art and historical documents, known for his charity. Born in Russia, his uncle Friedrich Falz-Fein was the founder in 1875 of the well-known reserve Askania-Nova in Ukraine.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20000726/MPCPages.arcLast Updated: 2013-03-29

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