Skip Page Navigation
NASA JPL Caltech
NASA Logo - Jet Propulsion Laboratory + View the NASA Portal
+ Center for Near-Earth Object Studies
JPL Home Earth Solar System Stars & Galaxies Technology
JPL Solar System Dynamics
BODIES ORBITS EPHEMERIDES TOOLS PHYSICAL DATA DISCOVERY FAQ SITE MAP
IMPORTANT: The SSD Announcement email list is now available. Major changes are coming in the near future, including possible hostname and/or URL changes. To be notified of such changes, subscribe to this email list.

Please visit this page for more details.


JPL Small-Body Database Browser
Search: [ help ]  
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 ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .3315926432015339 3.5931e-08  
a 3.142228749518086 1.776e-08 au
q 2.100288812921533 1.1601e-07 au
i 11.29750603161242 5.9942e-06 deg
node 23.09072741754852 2.2014e-05 deg
peri 79.42929452088988 2.3632e-05 deg
M 347.6574066291664 8.7723e-06 deg
tp 2458670.252382174871
(2019-Jul-05.75238218)
4.9902e-05 TDB
period 2034.487957959642
5.57
1.7248e-05
4.722e-08
d
yr
n .1769487003309858 1.5002e-09 deg/d
Q 4.184168686114639 2.3649e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1301  
   data-arc span      14651 days (40.11 yr)  
   first obs. used      1979-10-16  
   last obs. used      2019-11-26  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .46381  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-04 01:07:38  

Additional Information
 Earth MOID = 1.15123 au 
 Jupiter MOID = 1.33698 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 ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2019-Dec-13 06:37 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin