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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 2457000.5 (2014-Dec-09.0) TDB
Reference: JPL 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .171892187503164 5.8678e-08  
a 3.178631294369811 2.962e-08 AU
q 2.632249407914571 1.8021e-07 AU
i 4.882659983043282 5.8172e-06 deg
node 254.003415176322 7.0387e-05 deg
peri 150.9544342541535 7.2732e-05 deg
M 140.3402265642027 1.7937e-05 deg
tp 2456193.565411248984
(2012-Sep-23.06541125)
9.9496e-05 JED
period 2069.944299380691
5.67
2.8933e-05
7.921e-08
d
yr
n .173917723345362 2.431e-09 deg/d
Q 3.725013180825052 3.4712e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      1080  
   data-arc span      23429 days (64.15 yr)  
   first obs. used      1951-01-04  
   last obs. used      2015-02-26  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .46834  
   data source      ORB  
   producer      Otto Matic  
   solution date      2015-Mar-09 14:46:36  

Additional Information
 Earth MOID = 1.64272 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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