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117568 Yadame (2005 EK30)
Classification: Main-belt Asteroid          SPK-ID: 2117568
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2456800.5 (2014-May-23.0) TDB
Reference: JPL 1 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2035014105652896 1.049e-07  
a 2.553829512923457 4.8476e-08 AU
q 2.034121604700267 2.6776e-07 AU
i 12.8882223105766 1.0714e-05 deg
node 84.3392273168637 8.9161e-05 deg
peri 174.0258019900458 0.00010558 deg
M 29.08286615745594 6.9758e-05 deg
tp 2456680.073799883119
(2014-Jan-22.57379988)
0.00028693 JED
period 1490.686365207604
4.08
4.2444e-05
1.162e-07
d
yr
n .2414994920476541 6.8762e-09 deg/d
Q 3.073537421146648 5.8341e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      167  
   data-arc span      4379 days (11.99 yr)  
   first obs. used      2001-03-20  
   last obs. used      2013-03-16  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .67255  
   data source      ORB  
   producer      Otto Matic  
   solution date      2013-Aug-06 23:57:51  

Additional Information
 Earth MOID = 1.01904 AU 
 T_jup = 3.375 
[ 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 15.4 mag n/a MPO257547  

117568 Yadame           Discovered 2005 Mar. 5 by K. Endate at Kitami.
Yadame Yoshikazu (b.1943), a farmer in the Kitami region of Hokkaido, founded the Kitami Astronomical Society in 1963.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20110218/MPCPages.arcLast Updated: 2011-02-22

[ show close-approach data ]
Alternate Designations
 2005 EK30 = 2003 YL74 
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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