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100908 (1998 KH17)
Classification: Mars-crossing Asteroid          SPK-ID: 2100908
[ 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 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .4262703464096149 4.6161e-08  
a 2.343305330602236 5.1902e-09 au
q 1.344423755582923 1.0633e-07 au
i 22.37401579497343 5.5765e-06 deg
node 219.9825529263128 1.1089e-05 deg
peri 71.56453526880226 1.2862e-05 deg
M 92.52373057790538 7.4344e-06 deg
tp 2458863.761803084690
(2020-Jan-15.26180308)		 2.6152e-05 TDB
period 1310.212527449259
3.59		 4.353e-06
1.192e-08		 d
yr
n .2747645839571183 9.1287e-10 deg/d
Q 3.342186905621548 7.4026e-09 au
   Orbit Determination Parameters
   # obs. used (total)      675  
   data-arc span      10685 days (29.25 yr)  
   first obs. used      1991-10-15  
   last obs. used      2021-01-15  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .48822  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Feb-24 08:26:29  

Additional Information
 Earth MOID = .488708 au 
 Jupiter MOID = 2.26562 au 
 T_jup = 3.343 
[ 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 16.0   n/a MPO469016  

100908 (1998 KH17)          Discovered 1998-May-28 by LINEAR at Socorro
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

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