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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 2457000.5 (2014-Dec-09.0) TDB
Reference: JPL 5 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06941242326857354 1.234e-07  
a 3.03750771609689 4.0053e-08 AU
q 2.826666944825614 3.8451e-07 AU
i 8.290242805991873 1.4199e-05 deg
node 18.33348085288148 3.9281e-05 deg
peri 36.10092683384809 8.8083e-05 deg
M 256.0436483491378 7.8126e-05 deg
tp 2457558.871239195824
(2016-Jun-19.37123920)
0.00042342 JED
period 1933.635058544587
5.29
3.8245e-05
1.047e-07
d
yr
n .1861778407508631 3.6824e-09 deg/d
Q 3.248348487368165 4.2833e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      450  
   data-arc span      6807 days (18.64 yr)  
   first obs. used      1994-09-28  
   last obs. used      2013-05-18  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .65367  
   data source      ORB  
   producer      Otto Matic  
   solution date      2015-Jun-04 16:36:22  

Additional Information
 Earth MOID = 1.84144 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 14.6 mag n/a MPO263528  

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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