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JPL Small-Body Database Browser
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100903 (1998 KU8)
Classification: Main-belt Asteroid          SPK-ID: 2100903
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1108667758422185 4.4602e-08  
a 2.373129275170201 1.2337e-08 au
q 2.1100280837753 1.0769e-07 au
i 6.564712702858377 5.428e-06 deg
node 152.1854947560492 3.9181e-05 deg
peri 75.94978982511324 4.5868e-05 deg
M 16.80653857701325 2.4751e-05 deg
tp 2458938.161507163591
(2020-Mar-29.66150716)		 9.1632e-05 TDB
period 1335.30514438003
3.66		 1.0412e-05
2.851e-08		 d
yr
n .2696012978869671 2.1023e-09 deg/d
Q 2.636230466565102 1.3705e-08 au
   Orbit Determination Parameters
   # obs. used (total)      487  
   data-arc span      9128 days (24.99 yr)  
   first obs. used      1994-03-10  
   last obs. used      2019-03-07  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .62244  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 08:35:51  

Additional Information
 Earth MOID = 1.11216 au 
 Jupiter MOID = 2.36009 au 
 T_jup = 3.526 
[ 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 16.1   n/a MPO426634  

100903 (1998 KU8)          Discovered 1998-May-23 by LONEOS at Anderson Mesa
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

[ show close-approach data ]
Alternate Designations
 1998 KU8 = 2002 NH8 
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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