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100902 (1998 KS8)
Classification: Main-belt Asteroid          SPK-ID: 2100902
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 25 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1289364805558459 3.7785e-08  
a 2.199624532172126 7.8162e-09 au
q 1.916012686449553 8.5648e-08 au
i 6.778758122186735 3.7351e-06 deg
node 143.7284314868557 3.3365e-05 deg
peri 35.71565490832442 3.7101e-05 deg
M 317.1923129712156 1.7718e-05 deg
tp 2459142.190430859868
(2020-Oct-19.69043086)
5.9066e-05 TDB
period 1191.574659832795
3.26
6.3512e-06
1.739e-08
d
yr
n .3021212284344115 1.6103e-09 deg/d
Q 2.483236377894699 8.824e-09 au
  Orbit Determination Parameters
   # obs. used (total)      905  
   data-arc span      7918 days (21.68 yr)  
   first obs. used      1998-05-23  
   last obs. used      2020-01-26  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57293  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-24 01:13:10  

Additional Information
 Earth MOID = .924849 au 
 Jupiter MOID = 2.48226 au 
 T_jup = 3.646 
[ 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 MPO502724  

100902 (1998 KS8)          Discovered 1998-May-23 by LONEOS at Anderson Mesa
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

[ show close-approach data ]
Alternate Designations
 1998 KS8 = 2001 BD50 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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