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27736 Ekaterinburg (1990 SA6)
Classification: Main-belt Asteroid          SPK-ID: 2027736
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 27 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .3313889351613383 2.9082e-08  
a 3.141079067213264 1.4167e-08 au
q 2.100160219871891 8.9712e-08 au
i 11.29823154184116 5.6675e-06 deg
node 23.08397513147018 1.7599e-05 deg
peri 79.39687266481928 1.9734e-05 deg
M 58.49004907403618 8.0963e-06 deg
tp 2458670.133338416859
(2019-Jul-05.63333842)
4.4762e-05 TDB
period 2033.371488873049
5.57
1.3757e-05
3.766e-08
d
yr
n .1770458580588843 1.1978e-09 deg/d
Q 4.181997914554636 1.8862e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1670  
   data-arc span      14854 days (40.67 yr)  
   first obs. used      1979-10-16  
   last obs. used      2020-06-16  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .42953  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jun-23 19:35:40  

Additional Information
 Earth MOID = 1.15096 au 
 Jupiter MOID = 1.33794 au 
 T_jup = 3.094 
[ 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 MPO452558  
diameter diameter 16.788 km 5.731 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.063   0.060 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

27736 Ekaterinburg           Discovered 1990 Sept. 22 by E. W. Elst at the European Southern Observatory.
Ekaterinburg, on the river Iset, is a city on the eastern side of the Urals. Founded in 1723 by Peter the Great, it became a center of mining and smelting. It is now a leading center of education and science.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20070601/MPCPages.arcLast Updated: 2007-06-06

[ show close-approach data ]
Alternate Designations
 1990 SA6 = 1979 UH4 = 1979 WC5 = 1998 HL67 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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