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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 2457400.5 (2016-Jan-13.0) TDB
Reference: JPL 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08449619062792514 5.986e-08  
a 3.036159429558407 2.5418e-08 au
q 2.779615523621668 1.8748e-07 au
i 7.989053709967884 7.7347e-06 deg
node 199.3538197480186 3.2655e-05 deg
peri 210.9388524919552 5.1132e-05 deg
M 339.5946946232013 3.8453e-05 deg
tp 2457510.028183192769
(2016-May-01.52818319)
0.0002065 JED
period 1932.347750807476
5.29
2.4266e-05
6.644e-08
d
yr
n .1863018702764891 2.3396e-09 deg/d
Q 3.292703335495147 2.7566e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1170  
   data-arc span      8627 days (23.62 yr)  
   first obs. used      1992-04-27  
   last obs. used      2015-12-10  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .50164  
   data source      ORB  
   producer      Otto Matic  
   solution date      2016-Jan-04 13:44:39  

Additional Information
 Earth MOID = 1.7915 au 
 Jupiter MOID = 2.0997 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 13.2 mag n/a MPO350962  

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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