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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 2457000.5 (2014-Dec-09.0) TDB
Reference: JPL 8 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2025160169947236 7.596e-08  
a 2.303604256639676 2.0398e-08 AU
q 1.837087497852918 1.7731e-07 AU
i 7.358632837601198 8.0153e-06 deg
node 298.5081115619594 6.7952e-05 deg
peri 8.706154013443136 7.2149e-05 deg
M 222.6838442096603 3.3086e-05 deg
tp 2457487.612608816726
(2016-Apr-09.11260882)
0.00012143 JED
period 1277.056863154322
3.50
1.6962e-05
4.644e-08
d
yr
n .2818981757091086 3.7442e-09 deg/d
Q 2.770121015426434 2.4529e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      356  
   data-arc span      19874 days (54.41 yr)  
   first obs. used      1960-09-24  
   last obs. used      2015-02-22  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .60308  
   data source      ORB  
   producer      Otto Matic  
   solution date      2015-Mar-09 18:49:56  

Additional Information
 Earth MOID = .82354 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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