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JPL Small-Body Database Browser
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9203 Myrtus (1993 TM16)
Classification: Main-belt Asteroid          SPK-ID: 2009203
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 26 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1090840985464404 3.7074e-08  
a 3.167683442910572 1.879e-08 au
q 2.822139550060188 1.1837e-07 au
i 2.57412805080574 4.0701e-06 deg
node 84.9411534385126 9.0919e-05 deg
peri 163.9544457655 9.2832e-05 deg
M 17.55643336040977 1.9655e-05 deg
tp 2458900.074297044442
(2020-Feb-20.57429704)
0.0001123 TDB
period 2059.259550150294
5.64
1.8323e-05
5.017e-08
d
yr
n .174820119189796 1.5555e-09 deg/d
Q 3.513227335760956 2.084e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2111  
   data-arc span      25369 days (69.46 yr)  
   first obs. used      1949-11-25  
   last obs. used      2019-05-11  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .47837  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-May-30 01:40:31  

Additional Information
 Earth MOID = 1.80829 au 
 Jupiter MOID = 1.51143 au 
 T_jup = 3.192 
[ 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 12.5   n/a MPO347598  
diameter diameter 18.165 km 0.158 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.040   0.004 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

9203 Myrtus           Discovered 1993 Oct. 9 by E. W. Elst at the European Southern Observatory.
Named for Myrtaceae, the myrtle family of aromatic trees and shrubs, with more than 100 genera and nearly 4000 species. This family is typical of the Southern Hemisphere, where the Eucalyptus genus is prevalent. Myrtus communis (common myrtle) is a species native to the Mediterranean and is cultivated as far north as England.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 19990402/MPCPages.arcLast Updated: 2010-06-11

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Alternate Designations
 1993 TM16 = 1988 XX4 = 1989 YH2 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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