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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 2456800.5 (2014-May-23.0) TDB
Reference: JPL 6 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .05430649022057447 7.3297e-08  
a 3.114609298398939 4.5208e-08 AU
q 2.945465798994527 2.3235e-07 AU
i 11.20092803986498 7.4896e-06 deg
node 160.5510082494671 3.4795e-05 deg
peri 174.1182042902206 7.6236e-05 deg
M 225.485558116738 7.0516e-05 deg
tp 2457550.688157109021
(2016-Jun-11.18815711)
0.00039904 JED
period 2007.722983333084
5.50
4.3712e-05
1.197e-07
d
yr
n .179307605176862 3.9039e-09 deg/d
Q 3.283752797803352 4.7663e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      751  
   data-arc span      6206 days (16.99 yr)  
   first obs. used      1997-03-10  
   last obs. used      2014-03-07  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .5127  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Mar-22 11:09:13  

Additional Information
 Earth MOID = 1.93478 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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