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

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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 34 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2402035978283567 1.6794e-08  
a 2.212194741789843 5.1144e-09 au
q 1.68081760571495 3.8332e-08 au
i 5.00772364133458 8.7123e-07 deg
node 82.561069389054 9.7512e-06 deg
peri 249.2238536858597 1.1376e-05 deg
M 200.6982214026646 3.7499e-06 deg
tp 2459732.303981372247
(2022-Jun-01.80398137)
1.3518e-05 TDB
period 1201.803488823139
3.29
4.1677e-06
1.141e-08
d
yr
n .2995498043964979 1.0388e-09 deg/d
Q 2.743571877864736 6.3429e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1779  
   data-arc span      10520 days (28.80 yr)  
   first obs. used      1992-06-04  
   last obs. used      2021-03-24  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .52045  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-May-04 02:44:40  

Additional Information
 Earth MOID = .67643 au 
 Jupiter MOID = 2.63204 au 
 T_jup = 3.613 
[ 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 14.45   n/a MPCxxxxx  
diameter diameter 2.907 km 0.627 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.331   0.139 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

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 | Mission Design | Physical Parameters | Discovery Circumstances ]
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