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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 | Close-Approach Data ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 31 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1261900317834349 2.7268e-08  
a 2.386324614199628 8.429e-09 au
q 2.085194235288184 6.4672e-08 au
i 6.138832578035584 3.4033e-06 deg
node 206.3133619837953 3.3495e-05 deg
peri 199.2350637718889 3.6911e-05 deg
M 124.2207777723318 1.5982e-05 deg
tp 2458535.894387804602
(2019-Feb-21.39438780)
5.9329e-05 TDB
period 1346.457681152897
3.69
7.1339e-06
1.953e-08
d
yr
n .2673682248162096 1.4166e-09 deg/d
Q 2.687454993111071 9.4926e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1620  
   data-arc span      12666 days (34.68 yr)  
   first obs. used      1985-09-21  
   last obs. used      2020-05-26  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .49846  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-13 02:08:56  

Additional Information
 Earth MOID = 1.09519 au 
 Jupiter MOID = 2.68663 au 
 T_jup = 3.516 
[ 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 14.6   n/a MPO452445  

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

[ show close-approach data ]
Alternate Designations
 1998 FB30 = 1985 SF6 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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