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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 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 30 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .3312262174486265 2.8991e-08  
a 3.140227591926562 1.4095e-08 au
q 2.100101884724918 8.9415e-08 au
i 11.29897503565065 5.6126e-06 deg
node 23.08476876217081 1.749e-05 deg
peri 79.34607450585679 1.96e-05 deg
M 128.7009370228539 8.2805e-06 deg
tp 2458669.859963780545
(2019-Jul-05.35996378)
4.4453e-05 TDB
period 2032.544743575194
5.56
1.3685e-05
3.747e-08
d
yr
n .177117872134401 1.1925e-09 deg/d
Q 4.180353299128207 1.8764e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1712  
   data-arc span      15217 days (41.66 yr)  
   first obs. used      1979-10-16  
   last obs. used      2021-06-14  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .42713  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jul-08 05:57:08  

Additional Information
 Earth MOID = 1.15109 au 
 Jupiter MOID = 1.33961 au 
 T_jup = 3.095 
[ 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 13.20   n/a E2020-QM5  
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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