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9106 Yatagarasu (1997 AY1)
Classification: Main-belt Asteroid          SPK-ID: 2009106
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2457600.5 (2016-Jul-31.0) TDB
Reference: JPL 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .03236722502884545 5.0378e-08  
a 2.483083410648309 1.4343e-08 au
q 2.402712891130462 1.2711e-07 au
i 5.518293953334007 6.285e-06 deg
node 55.91915289219185 5.6355e-05 deg
peri 24.38873490230011 0.00015461 deg
M 32.38716551171989 0.00013954 deg
tp 2457471.925208285581
(2016-Mar-24.42520829)
0.00055415 JED
period 1429.17493043474
3.91
1.2383e-05
3.39e-08
d
yr
n .2518935872255273 2.1825e-09 deg/d
Q 2.563453930166156 1.4807e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1230  
   data-arc span      22700 days (62.15 yr)  
   first obs. used      1954-02-01  
   last obs. used      2016-03-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .51413  
   data source      ORB  
   producer      Otto Matic  
   solution date      2016-Apr-25 13:04:26  

Additional Information
 Earth MOID = 1.41719 au 
 Jupiter MOID = 2.50431 au 
 T_jup = 3.470 
[ 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 13.5 mag n/a MPO347597  

9106 Yatagarasu           Discovered 1997 Jan. 3 by T. Kobayashi at Oizumi.
In Japanese mythology, Yatagarasu is the holy crow with three legs. It guided Jinmu, the so-called first emperor, and his troops from Kumano to Nara. The Chinese counterpart of the crow with three legs is said to live in the sun, and it is suspected that the crow is a naked-eye sunspot.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20040504/MPCPages.arcLast Updated: 2004-05-11

[ show close-approach data ]
Alternate Designations
 1997 AY1 = 1954 CL = 1974 FJ1 = 1991 RA25 
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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