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16466 Piyashiriyama (1990 FJ2)
Classification: Main-belt Asteroid          SPK-ID: 2016466
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2457000.5 (2014-Dec-09.0) TDB
Reference: JPL 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1189883225333629 5.7245e-08  
a 2.675555983837702 1.9489e-08 AU
q 2.357196065476752 1.5588e-07 AU
i 11.97178436919694 9.9877e-06 deg
node 210.7232080429878 2.4329e-05 deg
peri 295.094958015596 5.0017e-05 deg
M 270.7124004167312 4.3841e-05 deg
tp 2457396.967997822303
(2016-Jan-09.46799782)
0.00019525 JED
period 1598.525213827948
4.38
1.7466e-05
4.782e-08
d
yr
n .2252075831434132 2.4607e-09 deg/d
Q 2.993915902198652 2.1808e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      1318  
   data-arc span      23829 days (65.24 yr)  
   first obs. used      1949-11-30  
   last obs. used      2015-02-26  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .45776  
   data source      ORB  
   producer      Otto Matic  
   solution date      2015-Mar-09 14:46:38  

Additional Information
 Earth MOID = 1.39605 AU 
 T_jup = 3.338 
[ 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 MPO267771  

16466 Piyashiriyama           Discovered 1990 Mar. 29 by K. Endate and K. Watanabe at Kitami.
Mt. Piyashiri, 987 m in height, is situated in northeast Nayoro city, Hokkaido. Its summit is crested with crags and Japanese stone pines, and it is famous for the the beautiful views it offers.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20051215/MPCPages.arcLast Updated: 2006-03-22

[ show close-approach data ]
Alternate Designations
 1990 FJ2 = 1979 WE6 = 1981 EQ49 = 1999 JU40 
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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