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12411 Tannokayo (1995 SQ3)
Classification: Main-belt Asteroid          SPK-ID: 2012411
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2456800.5 (2014-May-23.0) TDB
Reference: JPL 9 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07899594663155961 5.859e-08  
a 2.326089246969673 1.4813e-08 AU
q 2.142337624955812 1.3987e-07 AU
i 5.709778962349665 6.2409e-06 deg
node 276.0713126199049 6.3711e-05 deg
peri 186.1334769443984 8.7259e-05 deg
M 3.44488334440872 5.478e-05 deg
tp 2456788.100333449404
(2014-May-10.60033345)
0.0001972 JED
period 1295.800034988007
3.55
1.2378e-05
3.389e-08
d
yr
n .2778206438336234 2.6539e-09 deg/d
Q 2.509840868983534 1.5983e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      1182  
   data-arc span      35246 days (96.50 yr)  
   first obs. used      1917-09-24  
   last obs. used      2014-03-25  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .53995  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Apr-17 14:02:15  

Additional Information
 Earth MOID = 1.15886 AU 
 T_jup = 3.563 
[ 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 13.7 mag n/a PDS3 (MPC 36716)  

12411 Tannokayo           Discovered 1995 Sept. 20 by K. Endate and K. Watanabe at Kitami.
Kayo Tanno (b. 1967), an elementary school teacher since 1989, is a leader in science education. Her extensive experience includes designing a planetarium program, and she worked on the staff of the Saga prefecture Space and Science Museum during 2002--2006. The name was suggested by M. Hirai and K. Hurukawa.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20081212/MPCPages.arcLast Updated: 2008-12-12

Alternate Designations
 1995 SQ3 = A917 SA 
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]
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