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17698 Racheldavis (1997 EW42)
Classification: Main-belt Asteroid          SPK-ID: 2017698
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2457600.5 (2016-Jul-31.0) TDB
Reference: JPL 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .05451330573387335 5.9129e-08  
a 3.116649829293678 3.6147e-08 au
q 2.946750944283967 1.9974e-07 au
i 11.20054144452508 6.1024e-06 deg
node 160.542061755054 3.0258e-05 deg
peri 173.4665384978081 6.4981e-05 deg
M 9.513716821337127 5.9558e-05 deg
tp 2457547.389772546130
(2016-Jun-07.88977255)
0.0003322 JED
period 2009.696340815202
5.50
3.4963e-05
9.572e-08
d
yr
n .17913153976982 3.1164e-09 deg/d
Q 3.286548714303388 3.8117e-08 au
  Orbit Determination Parameters
   # obs. used (total)      906  
   data-arc span      6751 days (18.48 yr)  
   first obs. used      1997-03-10  
   last obs. used      2015-09-03  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .48723  
   data source      ORB  
   producer      Otto Matic  
   solution date      2015-Oct-05 13:59:41  

Additional Information
 Earth MOID = 1.93649 au 
 Jupiter MOID = 2.00039 au 
 T_jup = 3.186 
[ 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 MPO279701  

17698 Racheldavis           Discovered 1997 Mar. 10 by the Lincoln Laboratory Near-Earth Asteroid Research Team at Socorro.
Rachel Michelle Davis (b. 1993) is a finalist in the 2012 Intel Science Talent Search, a science competition for high-school seniors, for her materials science project. She attends the Smithtown High School East, St. James, New York.
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 EW42 = 1998 HU124 = 1999 RZ46 
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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