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16449 Kigoyama (1989 SO)
Classification: Main-belt Asteroid          SPK-ID: 2016449
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2457400.5 (2016-Jan-13.0) TDB
Reference: JPL 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1717484195879263 5.8369e-08  
a 3.178925808372483 2.9107e-08 au
q 2.632950324797238 1.7961e-07 au
i 4.882629980302384 5.6822e-06 deg
node 254.0020145884319 6.806e-05 deg
peri 150.8780279477582 7e-05 deg
M 210.012219247051 1.7431e-05 deg
tp 2458263.026393974459
(2018-May-24.52639397)
0.00010673 JED
period 2070.231990046296
5.67
2.8433e-05
7.785e-08
d
yr
n .1738935547952524 2.3883e-09 deg/d
Q 3.724901291947729 3.4106e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1153  
   data-arc span      23499 days (64.34 yr)  
   first obs. used      1951-01-04  
   last obs. used      2015-05-07  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .46464  
   data source      ORB  
   producer      Otto Matic  
   solution date      2015-Jun-04 16:26:26  

Additional Information
 Earth MOID = 1.64251 au 
 Jupiter MOID = 1.68357 au 
 T_jup = 3.171 
[ 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 12.6 mag n/a MPO296269  

16449 Kigoyama           Discovered 1989 Sept. 29 by T. Fujii and K. Watanabe at Kitami.
The 546-m Mount Kigoyama is located to the southeast of Kanazawa, Iahikawa prefecture. At its summit a planetarium and observatory are open for the public, and there is a display of the history of Japanese space development and the International Space Station.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20070601/MPCPages.arcLast Updated: 2007-06-06

[ show close-approach data ]
Alternate Designations
 1989 SO = 1987 KY4 
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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