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JPL Small-Body Database Browser
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20338 Elainepappas (1998 HA86)
Classification: Main-belt Asteroid          SPK-ID: 2020338
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 25 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07268239134678517 3.4898e-08  
a 2.907100576663109 1.489e-08 au
q 2.695805554865616 1.0109e-07 au
i .9791583039990748 3.8567e-06 deg
node 333.8160988331566 0.00018469 deg
peri 331.6521964972497 0.00018612 deg
M 2.039042617050329 2.2959e-05 deg
tp 2458590.245551345183
(2019-Apr-16.74555135)
0.00011546 TDB
period 1810.458243915696
4.96
1.391e-05
3.808e-08
d
yr
n .1988446854324487 1.5277e-09 deg/d
Q 3.118395598460602 1.5973e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1282  
   data-arc span      14665 days (40.15 yr)  
   first obs. used      1979-07-24  
   last obs. used      2019-09-17  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .5412  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Sep-24 01:29:39  

Additional Information
 Earth MOID = 1.67997 au 
 Jupiter MOID = 2.04645 au 
 T_jup = 3.281 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 14.6   n/a MPO431733  

20338 Elainepappas           Discovered 1998 Apr. 21 by the Lincoln Laboratory Near-Earth Asteroid Research Team at Socorro.
Elaine Pappas mentored a finalist in the 2004 Intel Science Talent Search, a science competition for high school seniors. She teaches at the Cedar Shoals High School, Athens, Georgia.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20040415/MPCPages.arcLast Updated: 2004-04-20

Alternate Designations
 1998 HA86 = 1979 OJ8 = 2000 VO26 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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