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74547 (1999 JE63)
Classification: Main-belt Asteroid          SPK-ID: 2074547
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 27 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1680621622666108 3.6688e-08  
a 2.357998850983737 9.0817e-09 au
q 1.961708465465226 8.6612e-08 au
i 4.886108443005329 3.991e-06 deg
node 234.5230411053417 4.3503e-05 deg
peri 344.1691734558601 4.478e-05 deg
M 308.9839339111235 1.0528e-05 deg
tp 2459187.921011059980
(2020-Dec-04.42101106)		 3.898e-05 TDB
period 1322.555209648048
3.62		 7.6406e-06
2.092e-08		 d
yr
n .2722003568348587 1.5725e-09 deg/d
Q 2.754289236502248 1.0608e-08 au
   Orbit Determination Parameters
   # obs. used (total)      861  
   data-arc span      21757 days (59.57 yr)  
   first obs. used      1960-09-24  
   last obs. used      2020-04-19  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56415  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 14:06:27  

Additional Information
 Earth MOID = .954405 au 
 Jupiter MOID = 2.22539 au 
 T_jup = 3.529 
[ 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 MPO468692  

74547 (1999 JE63)          Discovered 1999-May-10 by LINEAR at Socorro
Reference: 20040415/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1999 JE63 = 2000 TN28 
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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