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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 4 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06941245973753687 1.2287e-07  
a 3.037507713288909 4.0268e-08 AU
q 2.826666831437785 3.8278e-07 AU
i 8.290243987749427 1.4171e-05 deg
node 18.3334734998994 3.9767e-05 deg
peri 36.10089422229629 8.829e-05 deg
M 256.0436858620728 7.7968e-05 deg
tp 2457558.871036931762
(2016-Jun-19.37103693)
0.00042237 JED
period 1933.635055863305
5.29
3.8451e-05
1.053e-07
d
yr
n .1861778410090273 3.7022e-09 deg/d
Q 3.248348595140033 4.3063e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      451  
   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      .66103  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Jun-09 22:38:57  

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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