Skip Page Navigation
NASA JPL Caltech
NASA Logo - Jet Propulsion Laboratory + View the NASA Portal
+ Center for Near-Earth Object Studies
JPL Home Earth Solar System Stars & Galaxies Technology
JPL Solar System Dynamics
BODIES ORBITS EPHEMERIDES TOOLS PHYSICAL DATA DISCOVERY FAQ SITE MAP
JPL Small-Body Database Browser
Search: [ help ]  
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 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06197330291337488 8.7871e-08  
a 2.319483704759172 1.0566e-08 au
q 2.175737638521495 2.0552e-07 au
i 6.467759825330007 9.756e-06 deg
node 9.771184946265842 3.1588e-05 deg
peri 116.3058417935427 0.00013453 deg
M 69.96302729979904 0.0001253 deg
tp 2459145.743899273646
(2020-Oct-23.24389927)
0.0004493 TDB
period 1290.284307948272
3.53
8.8168e-06
2.414e-08
d
yr
n .2790082757593551 1.9065e-09 deg/d
Q 2.463229770996849 1.1221e-08 au
  Orbit Determination Parameters
   # obs. used (total)      348  
   data-arc span      7707 days (21.10 yr)  
   first obs. used      2000-04-06  
   last obs. used      2021-05-13  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .57306  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jul-09 01:56:57  

Additional Information
 Earth MOID = 1.19964 au 
 Jupiter MOID = 2.55212 au 
 T_jup = 3.568 
[ 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 ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2021-Aug-01 14:46 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin