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11579 Tsujitsuka (1994 JN)
Classification: Main-belt Asteroid          SPK-ID: 2011579
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ 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 .2005848067004706 7.5044e-08  
a 2.587040767422505 2.1399e-08 AU
q 2.068119695162825 2.0109e-07 AU
i 13.5910994398776 7.6859e-06 deg
node 201.277779201769 3.142e-05 deg
peri 88.2416604134238 3.6362e-05 deg
M 297.7676940092587 1.9125e-05 deg
tp 2457263.234272817246
(2015-Aug-28.73427282)
8.1346e-05 JED
period 1519.859126356019
4.16
1.8858e-05
5.163e-08
d
yr
n .2368640578308913 2.9389e-09 deg/d
Q 3.105961839682185 2.5692e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      821  
   data-arc span      8716 days (23.86 yr)  
   first obs. used      1990-07-20  
   last obs. used      2014-05-31  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .49338  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Jun-16 13:47:42  

Additional Information
 Earth MOID = 1.10739 AU 
 T_jup = 3.354 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 13.6 mag n/a PDS3 (MPC 35853)  

11579 Tsujitsuka           Discovered 1994 May 6 by K. Endate and K. Watanabe at Kitami.
Takashi Tsujitsuka (b. 1961) is an elementary school teacher and a well-known amateur astronomer in Fukuoka prefecture. His main interests lie in observing stellar occultations at his private observatory, where he also indulges in his favorite pastime of polishing mirrors for reflecting telescopes.
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

[ show close-approach data ]
Alternate Designations
 1994 JN = 1990 OJ1 
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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