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6329 Hikonejyo (1992 EU1)
Classification: Main-belt Asteroid          SPK-ID: 2006329
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 9 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1325740446742557 6.7913e-08  
a 2.244065897446224 1.2001e-08 AU
q 1.946561004906215 1.5254e-07 AU
i 7.08564433556698 6.0488e-06 deg
node 109.9159778523402 5.0716e-05 deg
peri 57.2660726318934 5.4609e-05 deg
M 294.0941209630605 2.2368e-05 deg
tp 2457225.288190785114
(2015-Jul-21.78819079)
7.7017e-05 JED
period 1227.868437006726
3.36
9.8496e-06
2.697e-08
d
yr
n .2931910204301701 2.3519e-09 deg/d
Q 2.541570789986233 1.3592e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      930  
   data-arc span      21931 days (60.04 yr)  
   first obs. used      1953-10-10  
   last obs. used      2013-10-26  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .53191  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Jun-09 18:21:25  

Additional Information
 Earth MOID = .965545 AU 
 T_jup = 3.611 
[ 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 13.3 mag n/a PDS3 (MPC 28115)  
rotation period rot_per 6.064 h n/a Asteroid Lightcurve DataBase (Rev. 2014-Mar-01) Published Reference List:
[Klinglesmith III, D.A.; Risley, E.; Turk, J.; Vargas, A.; Warren, C. (2013) Minor Planet Bul. 40, 16-17.]

6329 Hikonejyo           Discovered 1992 Mar. 12 by A. Sugie at Dynic Astronomical Observatory.
The castle in Hikone city, Shiga prefecture, was built by the Ii family, which exercised feudal control over the Hikone area. Hikone Castle is widely praised as one of the finest castles in Japan.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20010509/MPCPages.arcLast Updated: 2009-05-11

Alternate Designations
 1992 EU1 = 1982 HC1 
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]
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