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113390 Helvetia (2002 SU19)
Classification: Main-belt Asteroid          SPK-ID: 2113390
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2456800.5 (2014-May-23.0) TDB
Reference: JPL 5 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2021401098813946 8.1916e-08  
a 2.304521822759155 2.174e-08 AU
q 1.838685528282548 1.8854e-07 AU
i 7.360195039297373 8.4293e-06 deg
node 298.5129938056097 7.1071e-05 deg
peri 8.546335348735539 7.4951e-05 deg
M 166.5380334725573 3.2961e-05 deg
tp 2456209.373273103310
(2012-Oct-08.87327310)
0.00011215 JED
period 1277.819950467202
3.50
1.8082e-05
4.951e-08
d
yr
n .2817298320224028 3.9866e-09 deg/d
Q 2.770358117235763 2.6134e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      346  
   data-arc span      19514 days (53.43 yr)  
   first obs. used      1960-09-24  
   last obs. used      2014-02-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .60384  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Jun-10 23:13:47  

Additional Information
 Earth MOID = .823176 AU 
 T_jup = 3.551 
[ show covariance matrix ]

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

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 15.5 mag n/a MPO235184  

113390 Helvetia           Discovered 2002 Sept. 29 by M. Griesser at Eschenberg Observatory, Winterthur.
Helvetia is an allegorical figure, similar to Justitia. She is a symbol for the nation of Switzerland (Latin: Confoederatio Helvetica), which has combined four different cultures and languages in peaceful coexistence since 1848. Each Swiss stamp carries her name, and her figure appears on most Swiss coins.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20060219/MPCPages.arcLast Updated: 2010-06-03

[ show close-approach data ]
Alternate Designations
 2002 SU19 = 2001 FS166 
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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