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6798 Couperin (1993 JK1)
Classification: Main-belt Asteroid          SPK-ID: 2006798
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.


Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 39 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1009425336731589 1.0654e-08  
a 2.938703028916948 1.0844e-08 au
q 2.642062899465084 3.0476e-08 au
i .9131166314153037 8.8962e-07 deg
node 305.9848178694673 5.8345e-05 deg
peri 82.23093302244494 5.9512e-05 deg
M 38.04175802341085 1.3097e-05 deg
tp 2459006.058010628715
(2020-Jun-05.55801063)
6.696e-05 TDB
period 1840.059971218606
5.04
1.0185e-05
2.789e-08
d
yr
n .19564579721909 1.0829e-09 deg/d
Q 3.235343158368811 1.1938e-08 au
  Orbit Determination Parameters
   # obs. used (total)      3063  
   data-arc span      25616 days (70.13 yr)  
   first obs. used      1951-02-04  
   last obs. used      2021-03-24  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .4568  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-May-03 23:04:28  

Additional Information
 Earth MOID = 1.64569 au 
 Jupiter MOID = 2.19154 au 
 T_jup = 3.266 
[ 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 12.73   n/a E2021B10  

6798 Couperin (1993 JK1)          Discovered 1993-May-14 by Elst, E. W. at La Silla
Reference: DISCOVERY.DBLast Updated: 2003-08-29

Alternate Designations
 1993 JK1 = 1974 SG = 1977 FC3 = 1989 TU7 = 1994 QG 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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