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 ]  
6667 Sannaimura (1994 EK2)
Classification: Main-belt Asteroid          SPK-ID: 2006667
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 26 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07445052950664718 3.8073e-08  
a 2.357886839408753 7.8574e-09 au
q 2.182340915698017 9.1429e-08 au
i 5.622223164656902 4.2296e-06 deg
node 171.6465448843868 3.7034e-05 deg
peri 357.4499244333544 4.5303e-05 deg
M 96.45080034682782 2.5389e-05 deg
tp 2458646.187724205772
(2019-Jun-11.68772421)
9.338e-05 TDB
period 1322.460973130921
3.62
6.6104e-06
1.81e-08
d
yr
n .2722197534099638 1.3607e-09 deg/d
Q 2.53343276311949 8.4423e-09 au
  Orbit Determination Parameters
   # obs. used (total)      2482  
   data-arc span      30371 days (83.15 yr)  
   first obs. used      1936-03-17  
   last obs. used      2019-05-12  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .44025  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-May-30 01:21:05  

Additional Information
 Earth MOID = 1.18829 au 
 Jupiter MOID = 2.43043 au 
 T_jup = 3.543 
[ 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 13.3   n/a MPO384815  
diameter diameter 5.960 km 0.133 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.286   0.033 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

6667 Sannaimura           Discovered 1994 Mar. 14 by Y. Kushida and O. Muramatsu at the Yatsugatake South Base Observatory.
Sannaimura is a village in southern Akita prefecture in Japan. Sannai means "in the mountains" and mura means "village". This beautiful village has many hot springs, and the Yatsugatake South Base Observatory is located there.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20020128/MPCPages.arcLast Updated: 2003-10-02

[ show close-approach data ]
Alternate Designations
 1994 EK2 = 1936 FR1 = 1976 GF2 = 1980 LW = 1983 CK3 = 1983 FN = 1983 GG = 1992 UY1 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2020-Feb-22 09:27 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin