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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 2457000.5 (2014-Dec-09.0) TDB
Reference: JPL 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .0542970403427398 6.3972e-08  
a 3.115072974877358 4.0209e-08 AU
q 2.945933731889864 2.081e-07 AU
i 11.20048300481954 6.8087e-06 deg
node 160.5478315154223 3.0504e-05 deg
peri 173.946565912881 6.7402e-05 deg
M 261.526441238983 6.3089e-05 deg
tp 2457549.810495436503
(2016-Jun-10.31049544)
0.00035621 JED
period 2008.171339039953
5.50
3.8882e-05
1.065e-07
d
yr
n .1792675719453825 3.471e-09 deg/d
Q 3.284212217864853 4.2392e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      850  
   data-arc span      6614 days (18.11 yr)  
   first obs. used      1997-03-10  
   last obs. used      2015-04-19  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .49609  
   data source      ORB  
   producer      Otto Matic  
   solution date      2015-Jun-04 16:29:42  

Additional Information
 Earth MOID = 1.93703 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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