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19426 Leal (1998 FP65)
Classification: Main-belt Asteroid          SPK-ID: 2019426
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 28 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1616242645637541 3.3891e-08  
a 2.735410581112192 1.4212e-08 au
q 2.293301857660023 9.3506e-08 au
i 7.644974455942535 4.0936e-06 deg
node 211.9570465865707 3.21e-05 deg
peri 65.994092792 3.5257e-05 deg
M 300.8107364087308 1.7006e-05 deg
tp 2459472.189369905427
(2021-Sep-14.68936991)
7.9062e-05 TDB
period 1652.464775391818
4.52
1.2878e-05
3.526e-08
d
yr
n .2178563836040862 1.6978e-09 deg/d
Q 3.177519304564361 1.6509e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1398  
   data-arc span      11107 days (30.41 yr)  
   first obs. used      1990-10-09  
   last obs. used      2021-03-07  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .49584  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 02:53:47  

Additional Information
 Earth MOID = 1.28832 au 
 Jupiter MOID = 1.97027 au 
 T_jup = 3.321 
[ 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 14.36   n/a E2021B10  
diameter diameter 7.794 km 0.193 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
rotation period rot_per 11.492 h n/a LCDB (Rev. 2020-October); Warner et al., 2009 Result based on fragmentary lightcurve(s), may be completely wrong.
Published Reference List:
[Waszczak, A.; Chang, C.-K.; Ofeck, E.O.; Laher, F.; et al. (2015) Astron. J. 150, A75.]
geometric albedo albedo 0.073   0.013 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

19426 Leal           Discovered 1998 Mar. 20 by the Lincoln Laboratory Near-Earth Asteroid Research Team at Socorro.
Eddy Leal (b. 1985) was awarded fourth place in the 2003 Intel International Science and Engineering Fair for his environmental science project. He attends the Academia del Perpetuo Socorro, San Juan, Puerto Rico, 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 FP65 = 1990 TD5 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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