Skip Page Navigation
NASA JPL Caltech
NASA Logo - Jet Propulsion Laboratory + View the NASA Portal
+ Near-Earth Object (NEO) Program
Search JPL
JPL Home Earth Solar System Stars & Galaxies Technology
JPL Solar System Dynamics
BODIES ORBITS EPHEMERIDES TOOLS PHYSICAL DATA DISCOVERY FAQ SITE MAP
JPL Small-Body Database Browser
Search: [ help ]  
12186 Mitukurigen (1977 ER5)
Classification: Main-belt Asteroid          SPK-ID: 2012186
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2457000.5 (2014-Dec-09.0) TDB
Reference: JPL 7 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .05769185150360863 6.8338e-08  
a 2.902202499966541 2.5892e-08 AU
q 2.73476906430507 2.0636e-07 AU
i .8092446995227439 5.3961e-06 deg
node 265.9309772822302 0.00049075 deg
peri 141.6701004188816 0.00049456 deg
M 347.5522509695398 5.4375e-05 deg
tp 2457062.942217468530
(2015-Feb-09.44221747)
0.00027286 JED
period 1805.884600795139
4.94
2.4167e-05
6.617e-08
d
yr
n .1993482860651729 2.6677e-09 deg/d
Q 3.069635935628013 2.7386e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      949  
   data-arc span      13720 days (37.56 yr)  
   first obs. used      1977-03-12  
   last obs. used      2014-10-04  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .52217  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Oct-09 14:22:15  

Additional Information
 Earth MOID = 1.74403 AU 
 T_jup = 3.284 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 13.5 mag n/a MPO266023  

12186 Mitukurigen           Discovered 1977 Mar. 12 by H. Kosai and K. Hurukawa at the Kiso Station of the Tokyo Astronomical Observatory.
Born in Mimasaka, Mitukuri Genpo (1799-1863) was a physician of Western medicine in the late Edo period. In Edo he was appointed an interpreter in the Tokugawa shogunate's Office of Astronomy.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20030106/MPCPages.arcLast Updated: 2003-10-02

Alternate Designations
 1977 ER5 = 1995 YW 
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2014-Oct-26 07:45 UT
(server date/time)  
NASA Home Page
Site Manager:   Donald K. Yeomans
Webmaster  Alan B. Chamberlin