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20212 Ekbaltouma (1997 GR8)
Classification: Main-belt Asteroid          SPK-ID: 2020212
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2457400.5 (2016-Jan-13.0) TDB
Reference: JPL 10 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06915900536742299 1.0986e-07  
a 3.03706035213423 3.5736e-08 au
q 2.827020278939791 3.5222e-07 au
i 8.291265059711334 1.34e-05 deg
node 18.3266634683052 3.4211e-05 deg
peri 36.14612944521353 8.4601e-05 deg
M 330.4587126820077 7.8176e-05 deg
tp 2457559.137360818671
(2016-Jun-19.63736082)
0.0004211 JED
period 1933.207895782472
5.29
3.4121e-05
9.342e-08
d
yr
n .1862189787168694 3.2867e-09 deg/d
Q 3.247100425328668 3.8207e-08 au
  Orbit Determination Parameters
   # obs. used (total)      550  
   data-arc span      7743 days (21.20 yr)  
   first obs. used      1994-09-28  
   last obs. used      2015-12-10  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .63024  
   data source      ORB  
   producer      Otto Matic  
   solution date      2016-Jan-04 13:44:38  

Additional Information
 Earth MOID = 1.84096 au 
 Jupiter MOID = 2.04571 au 
 T_jup = 3.222 
[ show covariance matrix ]

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

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 14.7 mag n/a MPO347680  

20212 Ekbaltouma           Discovered 1997 Apr. 3 by the Lincoln Laboratory Near-Earth Asteroid Research Team at Socorro.
Ekbal Touma mentored a finalist in the 2012 Intel Science Talent Search, a science competition for high-school seniors. She teaches at the John Cooper School, The Woodlands, Texas.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20120506/MPCPages.arcLast Updated: 2012-05-09

Alternate Designations
 1997 GR8 = 1999 RR255 
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]
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