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56668 (2000 KE69)
Classification: Main-belt Asteroid          SPK-ID: 2056668
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 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1375079560656481 5.3842e-08  
a 2.382033811045709 1.0062e-08 au
q 2.054485210409547 1.3166e-07 au
i 7.020368420371597 5.6294e-06 deg
node 163.1492367811562 3.0454e-05 deg
peri 191.593504043409 3.4374e-05 deg
M 58.78108291394735 1.4058e-05 deg
tp 2458781.242028765145
(2019-Oct-24.74202876)
5.2623e-05 TDB
period 1342.827755659105
3.68
8.5086e-06
2.33e-08
d
yr
n .2680909733082631 1.6987e-09 deg/d
Q 2.709582411681871 1.1446e-08 au
  Orbit Determination Parameters
   # obs. used (total)      717  
   data-arc span      10937 days (29.94 yr)  
   first obs. used      1990-11-12  
   last obs. used      2020-10-22  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56692  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 22:58:21  

Additional Information
 Earth MOID = 1.04982 au 
 Jupiter MOID = 2.72099 au 
 T_jup = 3.515 
[ 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 15.7   n/a MPO257238  

56668 (2000 KE69)          Discovered 2000-May-29 by Spacewatch at Kitt Peak
Reference: 20030318/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 2000 KE69 = 1990 WU8 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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