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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 2457000.5 (2014-Dec-09.0) TDB
Reference: JPL 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07897527513370638 5.3642e-08  
a 2.325630786747297 1.4928e-08 AU
q 2.141963455504511 1.2759e-07 AU
i 5.708547737291113 5.8697e-06 deg
node 276.0605768857774 6.2777e-05 deg
peri 185.8846741585783 8.4343e-05 deg
M 59.24612035530211 5.2354e-05 deg
tp 2456787.309919007931
(2014-May-09.80991901)
0.00018858 JED
period 1295.416960585444
3.55
1.2472e-05
3.415e-08
d
yr
n .2779027996030741 2.6757e-09 deg/d
Q 2.509298117990082 1.6107e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      1220  
   data-arc span      8696 days (23.81 yr)  
   first obs. used      1991-06-05  
   last obs. used      2015-03-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .49901  
   data source      ORB  
   producer      Otto Matic  
   solution date      2015-Apr-07 16:43:58  

Additional Information
 Earth MOID = 1.15876 AU 
 T_jup = 3.564 
[ 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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