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20217 Kathyclemmer (1997 GK33)
Classification: Main-belt Asteroid          SPK-ID: 2020217
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ 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 .08475792862160444 6.7971e-08  
a 3.036713402189344 3.7199e-08 AU
q 2.77932786440231 2.0122e-07 AU
i 7.98762046650103 7.8509e-06 deg
node 199.3617820120379 3.9234e-05 deg
peri 210.9035716465108 5.6061e-05 deg
M 265.1358516547162 4.1871e-05 deg
tp 2457509.835266051133
(2016-May-01.33526605)
0.00022803 JED
period 1932.876634395293
5.29
3.5516e-05
9.724e-08
d
yr
n .1862508934061522 3.4223e-09 deg/d
Q 3.294098939976378 4.0352e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      1001  
   data-arc span      8463 days (23.17 yr)  
   first obs. used      1992-04-27  
   last obs. used      2015-06-29  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .50871  
   data source      ORB  
   producer      Otto Matic  
   solution date      2015-Jul-06 12:26:34  

Additional Information
 Earth MOID = 1.79211 AU 
 T_jup = 3.221 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 13.1 mag n/a MPO267783  

20217 Kathyclemmer           Discovered 1997 Apr. 3 by the Lincoln Laboratory Near-Earth Asteroid Research Team at Socorro.
Kathy Clemmer mentored a finalist in the 2012 Intel Science Talent Search, a science competition for high-school seniors. She teaches at the El Segundo High School, El Segundo, California.
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

[ show close-approach data ]
Alternate Designations
 1997 GK33 = 1999 RA17 
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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