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90709 Wettin (1990 TX3)
Classification: Main-belt Asteroid          SPK-ID: 2090709
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2016800369612308 3.5039e-08  
a 2.799792521899654 1.3618e-08 au
q 2.235130262599154 9.722e-08 au
i 7.819432589330455 5.2004e-06 deg
node 21.36342693911013 3.4519e-05 deg
peri 69.13903129942851 3.8689e-05 deg
M 71.2332549825362 1.549e-05 deg
tp 2458661.915174932692
(2019-Jun-27.41517493)
7.2957e-05 TDB
period 1711.14652916133
4.68
1.2485e-05
3.418e-08
d
yr
n .2103852556545486 1.535e-09 deg/d
Q 3.364454781200154 1.6365e-08 au
  Orbit Determination Parameters
   # obs. used (total)      853  
   data-arc span      10782 days (29.52 yr)  
   first obs. used      1990-10-11  
   last obs. used      2020-04-18  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52131  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 16:34:20  

Additional Information
 Earth MOID = 1.2656 au 
 Jupiter MOID = 1.92415 au 
 T_jup = 3.282 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 15.3   n/a MPO453345  
diameter diameter 4.444 km 0.067 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.080   0.009 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

90709 Wettin           Discovered 1990 Oct. 12 by F. Börngen and L. D. Schmadel at Tautenburg.
Wettin is a castle near Halle and the ancestral seat of the dynasty of the Wettiner. The dynasty reigned for 800 years in Middle Germany (until 1918) and essentially created Saxon history. King August the Strong (1670-1733) is the most famous representative. The name was suggested by the first discoverer.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20050523/MPCPages.arcLast Updated: 2005-07-21

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Alternate Designations
 1990 TX3 = 1997 GE29 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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