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13025 Zurich (1989 BA)
Classification: Main-belt Asteroid          SPK-ID: 2013025
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.


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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 24 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2774743356404632 4.4248e-08  
a 2.382644049914397 9.3336e-09 au
q 1.721521475096697 1.0635e-07 au
i 23.93881587702726 6.6971e-06 deg
node 342.593980403005 1.022e-05 deg
peri 141.206092586258 1.5631e-05 deg
M 187.1847032568742 1.3245e-05 deg
tp 2459645.362106414568
(2022-Mar-06.86210641)
5.1674e-05 TDB
period 1343.343805116482
3.68
7.8934e-06
2.161e-08
d
yr
n .2679879853756308 1.5747e-09 deg/d
Q 3.043766624732097 1.1923e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1332  
   data-arc span      16567 days (45.36 yr)  
   first obs. used      1975-06-09  
   last obs. used      2020-10-17  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .4112  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-13 02:49:05  

Additional Information
 Earth MOID = .775968 au 
 Jupiter MOID = 2.09788 au 
 T_jup = 3.372 
[ 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 13.6   n/a MPO337368  
diameter diameter 4.892 km 0.104 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  
rotation period rot_per 18.53 h n/a LCDB (Rev. 2019-August); Warner et al., 2009 Result based on less than full coverage, so that the period may be wrong by 30 percent or so.
Published Reference List:
[Warner, B.D. (2007) Minor Planet Bull. 34, 32-37.]
geometric albedo albedo 0.322   0.083 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  

13025 Zürich           Discovered 1989 Jan. 28 by P. Wild at Zimmerwald.
Capital of the canton and located at the northwestern end of the lake of the same name, Zürich is the largest city of Switzerland. The city was founded by the Romans in the first century B.C. on the right bank of the Limmat river, which issues from the lake.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20011101/MPCPages.arcLast Updated: 2009-05-11
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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