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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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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 33 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1262939693876085 2.7277e-08  
a 2.386009339767103 8.4056e-09 au
q 2.084670749252008 6.4689e-08 au
i 6.139346883022954 3.4031e-06 deg
node 206.3123479988476 3.3482e-05 deg
peri 199.1819683066115 3.6891e-05 deg
M 177.7613593854155 1.6024e-05 deg
tp 2458535.775787981008
(2019-Feb-21.27578798)
5.9242e-05 TDB
period 1346.190854717725
3.69
7.1137e-06
1.948e-08
d
yr
n .2674212194640754 1.4131e-09 deg/d
Q 2.687347930282197 9.4672e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1626  
   data-arc span      12903 days (35.33 yr)  
   first obs. used      1985-09-21  
   last obs. used      2021-01-18  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .49769  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 02:53:38  

Additional Information
 Earth MOID = 1.09368 au 
 Jupiter MOID = 2.68761 au 
 T_jup = 3.517 
[ 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 14.65   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

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Close-Approach Data   ...sorted by Date/Time (TDB)
Date/Time (TDB) Time Uncertainty
(days_HH:MM)
Body Nominal Distance (au) Minimum Distance (au) Maximum Distance (au) V-relative (km/s) V-infinity (km/s) JD (TDB) Time Uncertainty (minutes) Semi-major axis (km) Semi-minor axis (km) range-LOV angle (deg) N-sigma BP Orbit Ref. Reference Modified
1972-Aug-09 17:33 < 00:01 Amphi 0.0472851941896986 0.047283519905108 0.0472868689765852 3.65714987239632 3.65714983915295 2441539.231423666 0.706795047466824 276.05580572081 32.1126777510418 -73.6836185281034 211398.894625511 T 33 CATAB v2.0f-lin.ifort 2021-Apr-13 02:53:45 2021-Apr-13 02:53
2141-Sep-07 03:32 00:01 Juno 0.0415336631849085 0.0415189760920486 0.0415483565573615 3.96960793808156 3.96960786429146 2503293.647478989 1.02908954029943 1088.66701057435 41.0514037263351 -47.7979158805173 112073.103549495 T 33 CATAB v2.0f-lin.ifort 2021-Apr-13 02:53:45 2021-Apr-13 02:53

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