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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 6 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06941242237320319 1.233e-07  
a 3.037507715850693 4.0027e-08 AU
q 2.8266669473162 3.8428e-07 AU
i 8.290242566901798 1.4191e-05 deg
node 18.33348036810753 3.9268e-05 deg
peri 36.10092765085004 8.8061e-05 deg
M 256.0436480873446 7.8118e-05 deg
tp 2457558.871240534084
(2016-Jun-19.37124053)
0.00042338 JED
period 1933.635058309499
5.29
3.8221e-05
1.046e-07
d
yr
n .1861778407734983 3.6801e-09 deg/d
Q 3.248348484385184 4.2805e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      455  
   data-arc span      7624 days (20.87 yr)  
   first obs. used      1994-09-28  
   last obs. used      2015-08-13  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .65034  
   data source      ORB  
   producer      Otto Matic  
   solution date      2015-Sep-02 14:54:26  

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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