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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 5 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08475793729496564 6.8335e-08  
a 3.036713408854604 3.7573e-08 AU
q 2.779327844164124 2.019e-07 AU
i 7.987620043792872 7.8618e-06 deg
node 199.3617800626071 3.9288e-05 deg
peri 210.9035753117307 5.6116e-05 deg
M 265.1358479879191 4.1968e-05 deg
tp 2457509.835287415445
(2016-May-01.33528742)
0.00022863 JED
period 1932.876640758979
5.29
3.5873e-05
9.821e-08
d
yr
n .1862508927929511 3.4567e-09 deg/d
Q 3.294098973545084 4.0758e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      993  
   data-arc span      7761 days (21.25 yr)  
   first obs. used      1992-04-27  
   last obs. used      2013-07-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .50674  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Jun-09 22:39:02  

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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