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JPL Small-Body Database Browser
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281564 Fuhsiehhai (2008 UQ87)
Classification: Main-belt Asteroid          SPK-ID: 2281564
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .04974384540743828 5.1203e-08  
a 2.703230121710391 2.8427e-08 au
q 2.568761060435299 1.3957e-07 au
i 7.398995470287139 5.5458e-06 deg
node 79.37430936151797 3.9589e-05 deg
peri 305.5574410571991 6.2977e-05 deg
M 148.918467872646 4.9252e-05 deg
tp 2457928.964443584544
(2017-Jun-24.46444358)
0.00022214 TDB
period 1623.390327358925
4.44
2.5608e-05
7.011e-08
d
yr
n .2217581279948118 3.498e-09 deg/d
Q 2.837699182985483 2.9842e-08 au
  Orbit Determination Parameters
   # obs. used (total)      347  
   data-arc span      6223 days (17.04 yr)  
   first obs. used      2002-05-18  
   last obs. used      2019-06-01  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .60914  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Sep-24 04:51:25  

Additional Information
 Earth MOID = 1.58127 au 
 Jupiter MOID = 2.40878 au 
 T_jup = 3.353 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 15.8   n/a MPO433819  

281564 Fuhsiehhai           Discovered 2008 Oct. 23 by H.-Y. Hsiao and Q.-z. Ye at Lulin.
Hsieh-Hai Fu (b. 1952) serves at the Department of Earth Sciences, National Taiwan Normal University, specializing in astronomy and science education, and training university students to teach astronomy in secondary education. He is the founder of the Star Watcher journal and the author of several popular science books.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: MPC batch dated 2015-07-02Last Updated: 2015-07-06

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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