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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 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 9 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09369812102652844 2.5587e-07  
a 2.845905994790339 8.2923e-08 au
q 2.579249950460351 6.8453e-07 au
i 11.61994966625699 1.1225e-05 deg
node 61.10693003619804 4.3332e-05 deg
peri 343.391715160961 8.1309e-05 deg
M 61.13154764058815 5.1358e-05 deg
tp 2458302.722319576688
(2018-Jul-03.22231958)
0.00025133 TDB
period 1753.594814622643
4.80
7.6644e-05
2.098e-07
d
yr
n .2052925778509836 8.9726e-09 deg/d
Q 3.112562039120327 9.0693e-08 au
  Orbit Determination Parameters
   # obs. used (total)      99  
   data-arc span      3232 days (8.85 yr)  
   first obs. used      2006-04-19  
   last obs. used      2015-02-23  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .60619  
   source      ORB  
   producer      Otto Matic  
   solution date      2017-Apr-10 15:51:01  

Additional Information
 Earth MOID = 1.5909 au 
 Jupiter MOID = 2.25747 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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