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35347 Tallinn (1997 JN12)
Classification: Main-belt Asteroid          SPK-ID: 2035347
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 29 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06457218571299508 3.3512e-08  
a 3.011281570801292 1.8671e-08 au
q 2.816836537977391 1.005e-07 au
i 10.72894348689931 4.0227e-06 deg
node 55.50539177926643 2.5219e-05 deg
peri 215.0101582073211 4.7632e-05 deg
M 108.0538708081445 3.9559e-05 deg
tp 2458427.620469647752
(2018-Nov-05.12046965)
0.00021083 TDB
period 1908.646394472934
5.23
1.7751e-05
4.86e-08
d
yr
n .1886153459553794 1.7542e-09 deg/d
Q 3.205726603625192 1.9876e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1810  
   data-arc span      8281 days (22.67 yr)  
   first obs. used      1997-05-03  
   last obs. used      2020-01-04  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .50922  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jan-29 05:05:10  

Additional Information
 Earth MOID = 1.80856 au 
 Jupiter MOID = 1.84759 au 
 T_jup = 3.220 
[ 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 12.7   n/a MPO449216  

35347 Tallinn           Discovered 1997 May 3 by E. W. Elst at the European Southern Observatory.
Known in the twelfth century as Kolyvan, and later as Reval, the Finnic-speaking community became the northernmost member of the Hanseatic League in 1285, enjoying a strategic position for trade between Europe and Russia. Renamed Tallinn in 1918, it is now the largest city and capital of of modern Estonia.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20080122/MPCPages.arcLast Updated: 2008-03-05

[ show close-approach data ]
Alternate Designations
 1997 JN12 = 1999 RJ36 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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