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12788 Shigeno (1995 SZ3)
Classification: Main-belt Asteroid          SPK-ID: 2012788
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 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2403272818262142 5.9518e-08  
a 2.347159765717419 9.9855e-09 AU
q 1.783073239210698 1.3818e-07 AU
i 6.135205657214962 6.6261e-06 deg
node 202.4484087011758 4.9646e-05 deg
peri 170.7088528341195 5.1225e-05 deg
M 121.4797736473203 1.1501e-05 deg
tp 2456557.285583649194
(2013-Sep-21.78558365)
4.1191e-05 JED
period 1313.446552423748
3.60
8.3817e-06
2.295e-08
d
yr
n .2740880467010094 1.7491e-09 deg/d
Q 2.91124629222414 1.2385e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      917  
   data-arc span      20179 days (55.25 yr)  
   first obs. used      1959-10-01  
   last obs. used      2014-12-30  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .57988  
   data source      ORB  
   producer      Otto Matic  
   solution date      2015-Feb-04 13:35:55  

Additional Information
 Earth MOID = .784081 AU 
 T_jup = 3.513 
[ 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 14.3 mag n/a MPO279650  

12788 Shigeno           Discovered 1995 Sept. 22 by T. Okuni at Nannyou.
Toramatsu Shigeno (1898-1986), the discoverer's father-in-law, had a keen interests in astronomy and participated in the construction of the Nannyou Observatory.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20060809/MPCPages.arcLast Updated: 2007-08-08

Alternate Designations
 1995 SZ3 = 1959 TE = 1977 RS4 = 1977 TE4 
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]
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