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74063 (1998 KQ39)
Classification: Main-belt Asteroid          SPK-ID: 2074063
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .326558242603816 5.0602e-08  
a 2.596370239387851 1.477e-08 au
q 1.748504136864505 1.3584e-07 au
i 5.439864827124977 5.2528e-06 deg
node 85.32861329502285 4.6689e-05 deg
peri 237.955992726127 4.7632e-05 deg
M 49.39653424516279 6.369e-06 deg
tp 2458790.827082219812
(2019-Nov-03.32708222)
2.6294e-05 TDB
period 1528.087983384366
4.18
1.3039e-05
3.57e-08
d
yr
n .2355885288769056 2.0102e-09 deg/d
Q 3.444236341911196 1.9593e-08 au
  Orbit Determination Parameters
   # obs. used (total)      670  
   data-arc span      7909 days (21.65 yr)  
   first obs. used      1998-05-22  
   last obs. used      2020-01-16  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56635  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-23 17:10:33  

Additional Information
 Earth MOID = .743597 au 
 Jupiter MOID = 1.92214 au 
 T_jup = 3.333 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 15.3   n/a MPO436301  

74063 (1998 KQ39)          Discovered 1998-May-22 by LINEAR at Socorro
Reference: 20040415/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1998 KQ39 = 2002 JO20 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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