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157534 Siauliai (2005 TZ49)
Classification: Main-belt Asteroid          SPK-ID: 2157534
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06204366880178754 8.8659e-08  
a 2.319831632188653 1.0698e-08 au
q 2.17590076672523 2.0752e-07 au
i 6.467289805784161 9.7661e-06 deg
node 9.772638230455877 3.2382e-05 deg
peri 116.4307171299828 0.00013483 deg
M 15.16230512411694 0.00012518 deg
tp 2459146.144204361981
(2020-Oct-23.64420436)
0.0004488 TDB
period 1290.574636871142
3.53
8.927e-06
2.444e-08
d
yr
n .2789455097868503 1.9295e-09 deg/d
Q 2.463762497652076 1.1361e-08 au
  Orbit Determination Parameters
   # obs. used (total)      338  
   data-arc span      7679 days (21.02 yr)  
   first obs. used      2000-04-06  
   last obs. used      2021-04-15  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .57871  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-May-04 09:46:42  

Additional Information
 Earth MOID = 1.19907 au 
 Jupiter MOID = 2.55203 au 
 T_jup = 3.567 
[ 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 17.11   n/a MPCxxxxx  

157534 Siauliai           Discovered 2005 Oct. 8 by K. Cernis and J. Zdanavicius at the Moletai Astronomical Observatory.
One of the largest towns in Lithuania (with 130~000 inhabitants), Siauliai is located among the picturesque hillsides of the Zemaitija (Samogitian) hills in the watershed of the rivers Venta, Dubysa, Nevezis and Musa. First mentioned in 1236, the town was established in the fifteenth century.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20090209/MPCPages.arcLast Updated: 2009-02-11
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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