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JPL Small-Body Database Browser
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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 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2081108486195071 3.487e-08  
a 2.360330499279511 1.061e-08 au
q 1.869120116051947 8.449e-08 au
i 6.569223179779966 5.517e-06 deg
node 66.39050559117118 3.666e-05 deg
peri 233.150562259151 3.9781e-05 deg
M 240.0290559940695 1.811e-05 deg
tp 2459041.898882772626
(2020-Jul-11.39888277)
6.7954e-05 TDB
period 1324.517358055382
3.63
8.9309e-06
2.445e-08
d
yr
n .271797117501383 1.8327e-09 deg/d
Q 2.851540882507075 1.2818e-08 au
  Orbit Determination Parameters
   # obs. used (total)      792  
   data-arc span      8601 days (23.55 yr)  
   first obs. used      1995-10-20  
   last obs. used      2019-05-08  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56225  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-May-30 04:34:17  

Additional Information
 Earth MOID = .861523 au 
 Jupiter MOID = 2.37919 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 15.7   n/a MPO385115  

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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