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39643 (1995 KK4)
Classification: Main-belt Asteroid          SPK-ID: 2039643
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 24 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1222653744776446 3.8697e-08  
a 2.331111341313967 9.1769e-09 au
q 2.046097140219131 9.0897e-08 au
i 3.068296486142667 4.5258e-06 deg
node 207.6400838125768 6.2599e-05 deg
peri 218.6000358810635 6.5035e-05 deg
M 224.880263248497 1.9783e-05 deg
tp 2459688.431933897911
(2022-Apr-18.93193390)
7.3254e-05 TDB
period 1299.998804218318
3.56
7.6766e-06
2.102e-08
d
yr
n .2769233316460364 1.6352e-09 deg/d
Q 2.616125542408803 1.0299e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1120  
   data-arc span      10764 days (29.47 yr)  
   first obs. used      1991-03-20  
   last obs. used      2020-09-07  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .51139  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-13 00:20:22  

Additional Information
 Earth MOID = 1.06009 au 
 Jupiter MOID = 2.64823 au 
 T_jup = 3.559 
[ 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 15.51   n/a E2020-QM5  

39643 (1995 KK4)          Discovered 1995-May-26 by Spacewatch at Kitt Peak
Reference: 20020526/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1995 KK4 = 2000 UZ8 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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