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19413 Grantlewis (1998 FB30)
Classification: Main-belt Asteroid          SPK-ID: 2019413
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 34 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1262654307557736 2.7102e-08  
a 2.386198797875398 8.2935e-09 au
q 2.084904378792751 6.4404e-08 au
i 6.139169362762921 3.3689e-06 deg
node 206.3100249524058 3.3235e-05 deg
peri 199.1170822600033 3.6606e-05 deg
M 230.2557747554744 1.6004e-05 deg
tp 2459881.725813717888
(2022-Oct-29.22581372)
6.0556e-05 TDB
period 1346.351196819915
3.69
7.0191e-06
1.922e-08
d
yr
n .2673893712504738 1.394e-09 deg/d
Q 2.687493216958044 9.3407e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1661  
   data-arc span      13062 days (35.76 yr)  
   first obs. used      1985-09-21  
   last obs. used      2021-06-26  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .49812  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jul-08 04:48:10  

Additional Information
 Earth MOID = 1.09428 au 
 Jupiter MOID = 2.68854 au 
 T_jup = 3.516 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 14.65   n/a E2021B10  

19413 Grantlewis           Discovered 1998 Mar. 20 by the Lincoln Laboratory Near-Earth Asteroid Research Team at Socorro.
Grant Allen Lewis (b. 1985) was awarded fourth place in the 2003 Intel International Science and Engineering Fair for his engineering project. He attends the Delavan High School, Delavan, Illinois, U.S.A.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20040830/MPCPages.arcLast Updated: 2004-09-06

Alternate Designations
 1998 FB30 = 1985 SF6 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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