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100917 (1998 KX51)
Classification: Main-belt Asteroid          SPK-ID: 2100917
[ 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 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2043520632606486 3.8907e-08  
a 2.350184400207993 9.4463e-09 au
q 1.8699193689825 8.8539e-08 au
i 10.15985296762134 3.3364e-06 deg
node 155.8948091146923 2.0703e-05 deg
peri 44.97535629074468 2.2257e-05 deg
M 67.02112832697992 9.4849e-06 deg
tp 2458755.503110802671
(2019-Sep-29.00311080)		 3.3886e-05 TDB
period 1315.986201854696
3.60		 7.9342e-06
2.172e-08		 d
yr
n .2735590992463531 1.6493e-09 deg/d
Q 2.830449431433486 1.1377e-08 au
   Orbit Determination Parameters
   # obs. used (total)      736  
   data-arc span      8108 days (22.20 yr)  
   first obs. used      1998-05-19  
   last obs. used      2020-07-30  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57276  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Aug-25 09:04:51  

Additional Information
 Earth MOID = .883954 au 
 Jupiter MOID = 2.15385 au 
 T_jup = 3.509 
[ 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 15.9   n/a MPO422321  

100917 (1998 KX51)          Discovered 1998-May-23 by LINEAR at Socorro
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

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Alternate Designations
 1998 KX51 = 2002 NF35 
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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