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JPL Small-Body Database Browser
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18786 Tyjorgenson (1999 JS53)
Classification: Main-belt Asteroid          SPK-ID: 2018786
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 23 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1314847072562283 5.1992e-08  
a 2.519268860971164 1.298e-08 au
q 2.188023532286639 1.2974e-07 au
i 4.747852324530199 4.0711e-06 deg
node 194.1441284666444 6.6389e-05 deg
peri 269.8696059857554 6.7809e-05 deg
M 117.607405110097 1.5305e-05 deg
tp 2458123.363795080770
(2018-Jan-04.86379508)
6.1425e-05 TDB
period 1460.529067962369
4.00
1.1288e-05
3.09e-08
d
yr
n .2464860220154656 1.9049e-09 deg/d
Q 2.85051418965569 1.4687e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1197  
   data-arc span      10200 days (27.93 yr)  
   first obs. used      1991-06-07  
   last obs. used      2019-05-11  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .51395  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-May-30 02:38:16  

Additional Information
 Earth MOID = 1.21116 au 
 Jupiter MOID = 2.29443 au 
 T_jup = 3.440 
[ 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 MPO384915  
diameter diameter 3.715 km 0.065 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.293   0.033 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

18786 Tyjorgenson           Discovered 1999 May 10 by the Lincoln Laboratory Near-Earth Asteroid Research Team at Socorro.
Tyler Lee Jorgenson (b. 1985) was awarded third place in the 2003 Intel International Science and Engineering Fair for his environmental science project. He attends the Buena High School, Sierra Vista, Arizona, 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 ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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