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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 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1108667235266317 3.9563e-08  
a 2.373129271814342 9.3283e-09 au
q 2.110028204943144 9.205e-08 au
i 6.564717371714284 3.2068e-06 deg
node 152.1855232087475 3.6016e-05 deg
peri 75.94973584755495 4.0555e-05 deg
M 16.80656796320395 1.6157e-05 deg
tp 2458938.161398297122
(2020-Mar-29.66139830)		 6.0031e-05 TDB
period 1335.305141547633
3.66		 7.8732e-06
2.156e-08		 d
yr
n .2696012984588348 1.5896e-09 deg/d
Q 2.636230338685539 1.0362e-08 au
   Orbit Determination Parameters
   # obs. used (total)      695  
   data-arc span      9680 days (26.50 yr)  
   first obs. used      1994-03-10  
   last obs. used      2020-09-09  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53803  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 20:03:35  

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 16.15   n/a E2021B55  

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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