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46806 (1998 KJ39)
Classification: Main-belt Asteroid          SPK-ID: 2046806
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 29 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2081541186664031 3.1331e-08  
a 2.36043021608381 8.0361e-09 au
q 1.869096944781337 7.3912e-08 au
i 6.56778180893383 3.9137e-06 deg
node 66.37772380302057 3.2443e-05 deg
peri 233.0221426512661 3.3982e-05 deg
M 43.208429413354 9.0298e-06 deg
tp 2459041.516829107176
(2020-Jul-11.01682911)
3.3352e-05 TDB
period 1324.601294203206
3.63
6.7644e-06
1.852e-08
d
yr
n .2717798945052011 1.3879e-09 deg/d
Q 2.851763487386283 9.7088e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1014  
   data-arc span      9212 days (25.22 yr)  
   first obs. used      1995-10-20  
   last obs. used      2021-01-08  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .53463  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 09:52:32  

Additional Information
 Earth MOID = .860211 au 
 Jupiter MOID = 2.37946 au 
 T_jup = 3.513 
[ 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 15.79   n/a E2021B10  

46806 (1998 KJ39)          Discovered 1998-May-22 by LINEAR at Socorro
Reference: 20020921/Numbers.arcLast Updated: 2004-04-19
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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