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JPL Small-Body Database Browser
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20212 Ekbaltouma (1997 GR8)
Classification: Main-belt Asteroid          SPK-ID: 2020212
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 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06650331832855719 6.573e-08  
a 3.038534013497891 2.3829e-08 au
q 2.836461418746092 1.9986e-07 au
i 8.267719015064301 1.0167e-05 deg
node 18.02471414991383 2.8321e-05 deg
peri 39.1871902604844 6.9736e-05 deg
M 265.3012516179618 6.3275e-05 deg
tp 2459509.404532026410
(2021-Oct-21.90453203)
0.00034092 TDB
period 1934.615131241341
5.30
2.2758e-05
6.231e-08
d
yr
n .1860835233770796 2.189e-09 deg/d
Q 3.24060660824969 2.5414e-08 au
  Orbit Determination Parameters
   # obs. used (total)      685  
   data-arc span      8606 days (23.56 yr)  
   first obs. used      1994-09-28  
   last obs. used      2018-04-21  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .59773  
   source      ORB  
   producer      Otto Matic  
   solution date      2018-May-07 03:28:13  

Additional Information
 Earth MOID = 1.85287 au 
 Jupiter MOID = 2.02627 au 
 T_jup = 3.222 
[ 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 MPO439234  

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 | Mission Design | Physical Parameters | Discovery Circumstances ]
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