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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 2459000.5 (2020-May-31.0) TDB
Reference: JPL 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .4263309317723762 5.2545e-08  
a 2.343042157186389 5.4202e-09 au
q 1.344130811131157 1.2109e-07 au
i 22.37611119978598 6.233e-06 deg
node 219.9832019781016 1.5839e-05 deg
peri 71.54635483575775 1.841e-05 deg
M 37.57759665446287 8.9451e-06 deg
tp 2458863.760155809004
(2020-Jan-15.26015581)		 3.2177e-05 TDB
period 1309.991811381909
3.59		 4.5456e-06
1.245e-08		 d
yr
n .274810878107884 9.5358e-10 deg/d
Q 3.341953503241621 7.7309e-09 au
   Orbit Determination Parameters
   # obs. used (total)      581  
   data-arc span      10037 days (27.48 yr)  
   first obs. used      1991-10-15  
   last obs. used      2019-04-08  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .50589  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 05:36:15  

Additional Information
 Earth MOID = .489585 au 
 Jupiter MOID = 2.26639 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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