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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 ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1108667191763219 4.029e-08  
a 2.373129273097068 9.547e-09 au
q 2.110028216407507 9.4161e-08 au
i 6.564715446249321 3.667e-06 deg
node 152.1855107031166 3.7745e-05 deg
peri 75.94975060877324 4.2255e-05 deg
M 16.80656495786677 1.6834e-05 deg
tp 2458938.161409393919
(2020-Mar-29.66140939)		 6.2514e-05 TDB
period 1335.305142630274
3.66		 8.0578e-06
2.206e-08		 d
yr
n .269601298240247 1.6269e-09 deg/d
Q 2.63623032978663 1.0605e-08 au
   Orbit Determination Parameters
   # obs. used (total)      624  
   data-arc span      9596 days (26.27 yr)  
   first obs. used      1994-03-10  
   last obs. used      2020-06-17  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .5566  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jun-24 01:13:55  

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

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