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19980 Barrysimon (1989 WF2)
Classification: Main-belt Asteroid          SPK-ID: 2019980
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.


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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 23 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2537327572311839 3.2486e-08  
a 2.352150349988022 9.6267e-09 au
q 1.755332756263267 7.7258e-08 au
i 21.62142937472144 5.3531e-06 deg
node 221.5827281862138 1.051e-05 deg
peri 261.54281423343 1.4955e-05 deg
M 136.6681229357724 1.0037e-05 deg
tp 2458500.280320639474
(2019-Jan-16.78032064)
3.6031e-05 TDB
period 1317.637798057841
3.61
8.0891e-06
2.215e-08
d
yr
n .2732162059487284 1.6773e-09 deg/d
Q 2.948967943712776 1.2069e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1363  
   data-arc span      25779 days (70.58 yr)  
   first obs. used      1949-11-19  
   last obs. used      2020-06-18  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .46073  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jun-23 18:38:01  

Additional Information
 Earth MOID = .9048 au 
 Jupiter MOID = 2.57153 au 
 T_jup = 3.421 
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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 14.3   n/a MPO384926  
diameter diameter 3.601 km 0.148 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.312   0.038 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

19980 Barrysimon           Discovered 1989 Nov. 22 by C. S. Shoemaker and D. H. Levy at Palomar.
Barry Simon (b. 1952), a first-rate amateur astronomer, founded the Deep South Regional Stargaze in 1983 and has managed it since then. Now in its twentieth year, this event helps participants from many southern states observe under a dark sky. Simon has amassed a large collection of refractor telescopes.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20030501/MPCPages.arcLast Updated: 2003-10-02

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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
2157-Jan-30 14:35 00:01 Hebe 0.037151992587526 0.0371510418879679 0.0371529445012052 10.033680688769 10.0336806720921 2508918.107962864 1.08840098324912 960.592244835564 44.4498001556844 89.0112049552043 125003.627447278 T 23 CATAB v2.0f-lin.ifort 2020-Jun-23 18:38:12 2020-Jun-23 18:38
2172-Dec-01 11:38 00:02 Inter 0.0344817702572004 0.0344768329253044 0.0344867203861486 7.09635053742093 7.09635047759436 2514701.984492083 1.7669552101496 1088.8787296541 39.0702495693978 -77.0786185626985 128650.543565562 T 23 CATAB v2.0f-lin.ifort 2020-Jun-23 18:38:12 2020-Jun-23 18:38

Alternate Designations
 1989 WF2 = 2000 UL16 
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