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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 2457600.5 (2016-Jul-31.0) TDB
Reference: JPL 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2411757813970971 5.926e-08  
a 2.345777468812961 9.4703e-09 au
q 1.780032754788291 1.3738e-07 au
i 6.14004845937763 6.2389e-06 deg
node 202.4267800637953 4.4912e-05 deg
peri 170.6811067160945 4.6077e-05 deg
M 286.103208159246 1.1134e-05 deg
tp 2457869.871550623087
(2017-Apr-26.37155062)
4.1473e-05 JED
period 1312.286444495286
3.59
7.9469e-06
2.176e-08
d
yr
n .2743303502906016 1.6613e-09 deg/d
Q 2.911522182837632 1.1754e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1028  
   data-arc span      20345 days (55.70 yr)  
   first obs. used      1959-10-01  
   last obs. used      2015-06-14  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .57384  
   data source      ORB  
   producer      Otto Matic  
   solution date      2015-Jul-06 12:10:30  

Additional Information
 Earth MOID = .779838 au 
 Jupiter MOID = 2.54984 au 
 T_jup = 3.514 
[ 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  
rotation period rot_per 35.4447 h n/a LCDB (Rev. 2016-February); Warner et al., 2009 Result based on less than full coverage, so that the period may be wrong by 30 percent or so.
Published Reference List:
[Waszczak, A.; Chang, C.-K.; Ofeck, E.O.; Laher, F.; et al. (2016) Astron. J. 150, A75.]

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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