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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 2459000.5 (2020-May-31.0) TDB
Reference: JPL 28 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07250414327025247 3.4791e-08  
a 2.907050112858409 1.454e-08 au
q 2.696276934981919 1.0056e-07 au
i .9792069024863127 3.8254e-06 deg
node 333.8112903270544 0.00017965 deg
peri 331.8292398421817 0.00018108 deg
M 81.43546783747991 2.2532e-05 deg
tp 2458590.967569020322
(2019-Apr-17.46756902)
0.0001136 TDB
period 1810.41110302101
4.96
1.3583e-05
3.719e-08
d
yr
n .1988498631052763 1.4919e-09 deg/d
Q 3.117823290734898 1.5594e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1341  
   data-arc span      15035 days (41.16 yr)  
   first obs. used      1979-07-24  
   last obs. used      2020-09-21  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53823  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Oct-22 16:52:56  

Additional Information
 Earth MOID = 1.68124 au 
 Jupiter MOID = 2.04787 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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