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8488 d'Argens (1989 SR1)
Classification: Main-belt Asteroid          SPK-ID: 2008488
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 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 27 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08315719360199658 3.5566e-08  
a 2.259217942878625 9.4318e-09 au
q 2.071347719013562 8.1513e-08 au
i 4.611394484919317 3.7477e-06 deg
node 80.20290401991309 5.8851e-05 deg
peri 213.2218749779425 6.6681e-05 deg
M 327.066126992003 3.3391e-05 deg
tp 2458713.968659842871
(2019-Aug-18.46865984)
0.00011523 TDB
period 1240.325349329998
3.40
7.7672e-06
2.127e-08
d
yr
n .290246426225559 1.8176e-09 deg/d
Q 2.447088166743687 1.0216e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1601  
   data-arc span      11348 days (31.07 yr)  
   first obs. used      1988-04-12  
   last obs. used      2019-05-08  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .5142  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-May-30 01:35:35  

Additional Information
 Earth MOID = 1.05627 au 
 Jupiter MOID = 2.66617 au 
 T_jup = 3.612 
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Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 14.5   n/a MPO448997  

8488 d´Argens           Discovered 1989 Sept. 26 by E. W. Elst at the European Southern Observatory.
Jean-Baptiste de Boyer Marquis d´Argens (1703-1771) was a French writer and freethinker who spent 25 years at the court of Frederick II. There he wrote his 18-volume Correspondence philosophique, which helped spread the ideas of the Enlightenment.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20021120/MPCPages.arcLast Updated: 2003-10-02

Alternate Designations
 1989 SR1 = 1988 GY2 = 1992 OH9 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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