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35618 Tartu (1998 HC149)
Classification: Main-belt Asteroid          SPK-ID: 2035618
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 23 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2318981203414103 5.0537e-08  
a 3.006228154694728 2.0986e-08 au
q 2.309089496303594 1.5021e-07 au
i 14.80789277171481 5.4701e-06 deg
node 56.20479281642105 2.3493e-05 deg
peri 351.9568225889543 2.6979e-05 deg
M 286.4535484309943 1.5773e-05 deg
tp 2459389.447117110289
(2021-Jun-23.94711711)
8.5661e-05 TDB
period 1903.843886041571
5.21
1.9936e-05
5.458e-08
d
yr
n .1890911343306114 1.98e-09 deg/d
Q 3.703366813085862 2.5853e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1559  
   data-arc span      24326 days (66.60 yr)  
   first obs. used      1953-11-10  
   last obs. used      2020-06-17  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .45677  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jun-23 20:31:24  

Additional Information
 Earth MOID = 1.32055 au 
 Jupiter MOID = 1.69493 au 
 T_jup = 3.161 
[ 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 12.8   n/a MPO358957  
diameter diameter 9.358 km 0.095 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.214   0.022 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  

35618 Tartu           Discovered 1998 Apr. 25 by E. W. Elst at the European Southern Observatory.
In 1224 the Tarbatu settlement was captured by German crusaders, who named it Dorpat. The community developed into a center of commerce and in 1280 joined the Hanseatic League. An observatory was established there in 1811. Reverting to the name Tartu in 1917, the community is now the second largest city in 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

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Alternate Designations
 1998 HC149 = 1953 VU1 = 1979 WY6 = 2000 QP7 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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