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281561 Taitung (2008 UL78)
Classification: Main-belt Asteroid          SPK-ID: 2281561
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09382262983372441 2.2683e-07  
a 2.84484441123487 5.3035e-08 au
q 2.577933627105041 6.2487e-07 au
i 11.620076151054 9.6105e-06 deg
node 61.10014671488729 4.2892e-05 deg
peri 343.1686388166328 6.9843e-05 deg
M 143.5018542151292 4.9543e-05 deg
tp 2458301.879673184813
(2018-Jul-02.37967318)
0.00023582 TDB
period 1752.613713802114
4.80
4.901e-05
1.342e-07
d
yr
n .2054074991910324 5.744e-09 deg/d
Q 3.111755195364699 5.8011e-08 au
  Orbit Determination Parameters
   # obs. used (total)      116  
   data-arc span      5116 days (14.01 yr)  
   first obs. used      2006-04-19  
   last obs. used      2020-04-21  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .61008  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-21 16:52:39  

Additional Information
 Earth MOID = 1.59009 au 
 Jupiter MOID = 2.25961 au 
 T_jup = 3.271 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 16.4   n/a MPO352727  

281561 Taitung           Discovered 2008 Oct. 21 by X. Y. Hsiao and Q.-z. Ye at Lulin.
Taitung County is in the southeast of Taiwan. It has a beautiful natural landscape, with high mountains, a rift valley, ocean views, outlying islands and hot springs, and also has the longest coastline in Taiwan.
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 2014-10-08Last Updated: 2015-01-12

Alternate Designations
 2008 UL78 = 2006 HG13 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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