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246643 Miaoli (2008 YU9)
Classification: Main-belt Asteroid          SPK-ID: 2246643
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 7 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1877944580323352 6.4567e-08  
a 2.698169824871802 4.2665e-08 AU
q 2.191468484930802 1.7237e-07 AU
i 3.714281905023862 8.6271e-06 deg
node 278.3235508963261 0.00012366 deg
peri 206.2801417526307 0.00012798 deg
M 70.36065935515263 2.9699e-05 deg
tp 2456484.104900528603
(2013-Jul-10.60490053)
0.00012962 JED
period 1618.834116303114
4.43
3.8397e-05
1.051e-07
d
yr
n .2223822665796801 5.2746e-09 deg/d
Q 3.204871164812803 5.0677e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      210  
   data-arc span      7183 days (19.67 yr)  
   first obs. used      1994-10-27  
   last obs. used      2014-06-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .64118  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Jul-14 16:47:12  

Additional Information
 Earth MOID = 1.20766 AU 
 T_jup = 3.340 
[ 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 16.3 mag n/a MPO251711  

246643 Miaoli           Discovered 2008 Dec. 18 by X. Y. Hsiao and Q.-z. Ye at Lulin.
Miaoli is a city located in the mountainous terrain on the western coastline of Taiwan. The city is nicknamed "The Hilly City". The campus of the National Central University was located in Miaoli from 1962 to 1968.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20111012/MPCPages.arcLast Updated: 2011-10-13

[ show close-approach data ]
Alternate Designations
 2008 YU9 = 2000 AR17 = 2007 TT393 
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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