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8241 Agrius (1973 SE1)
Classification: Jupiter Trojan          SPK-ID: 2008241
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2457400.5 (2016-Jan-13.0) TDB
Reference: JPL 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .04275590363918844 5.4059e-08  
a 5.141348110054462 1.141e-07 au
q 4.92152512568545 3.1988e-07 au
i 4.346414332021692 7.3336e-06 deg
node 22.67512631926581 7.8509e-05 deg
peri 262.7579249494445 0.00012055 deg
M 313.5535084005018 9.449e-05 deg
tp 2457949.869261158540
(2017-Jul-15.36926116)
0.0011225 JED
period 4258.081228662945
11.66
0.00014175
3.881e-07
d
yr
n .08454512271318072 2.8145e-09 deg/d
Q 5.361171094423475 1.1898e-07 au
  Orbit Determination Parameters
   # obs. used (total)      1129  
   data-arc span      15295 days (41.88 yr)  
   first obs. used      1973-09-19  
   last obs. used      2015-08-05  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .528  
   data source      ORB  
   producer      Otto Matic  
   solution date      2015-Sep-02 14:24:19  

Additional Information
 Earth MOID = 3.90705 au 
 Jupiter MOID = .109283 au 
 T_jup = 2.993 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 11.2 mag n/a MPO263423  

8241 Agrius           Discovered 1973 Sept. 19 by C. J. van Houten and I. van Houten-Groeneveld on Palomar Schmidt plates taken by T. Gehrels.
Named after Agrius, a Greek from Aetolia and father of Thersites. Thersites was the ugliest Greek in Troy.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 19981005/MPCPages.arcLast Updated: 2009-11-17

Alternate Designations
 1973 SE1 = 1992 GU3 = 1998 YJ30 
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]
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