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18531 Strakonice (1996 XM2)
Classification: Main-belt Asteroid          SPK-ID: 2018531
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2457400.5 (2016-Jan-13.0) TDB
Reference: JPL 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2409134314986489 5.3249e-08  
a 2.211851415600941 9.1101e-09 au
q 1.678986701103374 1.1643e-07 au
i 5.007057285512836 4.7033e-06 deg
node 82.59363063168475 5.9941e-05 deg
peri 249.2117482132026 6.0729e-05 deg
M 21.49135951682806 1.0346e-05 deg
tp 2457328.771171268109
(2015-Nov-02.27117127)
3.4327e-05 JED
period 1201.523725070138
3.29
7.4232e-06
2.032e-08
d
yr
n .2996195518144972 1.8511e-09 deg/d
Q 2.744716130098507 1.1305e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1085  
   data-arc span      8550 days (23.41 yr)  
   first obs. used      1992-06-04  
   last obs. used      2015-11-01  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .55633  
   data source      ORB  
   producer      Otto Matic  
   solution date      2015-Nov-30 16:29:14  

Additional Information
 Earth MOID = .674532 au 
 Jupiter MOID = 2.61909 au 
 T_jup = 3.613 
[ show covariance matrix ]

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

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 14.4 mag n/a MPO313568  

18531 Strakonice           Discovered 1996 Dec. 4 by M. Tichy and Z. Moravec at Klet.
Strakonice is a southern Bohemian town known for a Gothic castle at the confluence of the Volyňka and Otava rivers. The town is situated in the heart of the Prácheň Region---where the bagpipe has long been played.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20020921/MPCPages.arcLast Updated: 2003-10-02
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]
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