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JPL Small-Body Database Browser
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19419 Pinkham (1998 FO49)
Classification: Main-belt Asteroid          SPK-ID: 2019419
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 28 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1039075289216689 4.8669e-08  
a 2.306118079349349 8.0361e-09 au
q 2.066495048322573 1.1123e-07 au
i 7.826946930870927 4.2714e-06 deg
node 357.886876338439 2.6428e-05 deg
peri 24.85735046589346 3.1962e-05 deg
M 278.9880930690656 1.7527e-05 deg
tp 2459288.350568847392
(2021-Mar-14.85056885)
6.2577e-05 TDB
period 1279.147827903942
3.50
6.6862e-06
1.831e-08
d
yr
n .2814373695883994 1.4711e-09 deg/d
Q 2.545741110376126 8.8711e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1796  
   data-arc span      13351 days (36.55 yr)  
   first obs. used      1982-10-21  
   last obs. used      2019-05-11  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .45916  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-May-30 02:43:12  

Additional Information
 Earth MOID = 1.07123 au 
 Jupiter MOID = 2.87034 au 
 T_jup = 3.568 
[ 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 14.1   n/a MPO384921  
diameter diameter 3.630 km 0.141 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
rotation period rot_per 2.496 h n/a LCDB (Rev. 2019-August); Warner et al., 2009 Result based on less than full coverage, so that the period may be wrong by 30 percent or so.
Published Reference List:
[Waszczak, A.; Chang, C.-K.; Ofeck, E.O.; Laher, F.; et al. (2015) Astron. J. 150, A75.]
geometric albedo albedo 0.307   0.020 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

19419 Pinkham           Discovered 1998 Mar. 20 by the Lincoln Laboratory Near-Earth Asteroid Research Team at Socorro.
Brian Edward Pinkham (b. 1985) was awarded fourth place in the 2003 Intel International Science and Engineering Fair for his engineering project. He attends the Stone Bridge High School, Ashburn, Virginia, 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 FO49 = 1982 UA9 = 1982 VS9 = 1989 WU7 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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