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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 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .05429704189859587 6.4073e-08  
a 3.11507297581526 4.0278e-08 AU
q 2.945933727930235 2.0829e-07 AU
i 11.20048286705762 6.817e-06 deg
node 160.5478320718947 3.0537e-05 deg
peri 173.9465643658651 6.7459e-05 deg
M 261.5264419157954 6.3141e-05 deg
tp 2457549.810491909156
(2016-Jun-10.31049191)
0.0003565 JED
period 2008.171339946899
5.50
3.8949e-05
1.066e-07
d
yr
n .1792675718644204 3.4769e-09 deg/d
Q 3.284212223700286 4.2465e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      821  
   data-arc span      6317 days (17.30 yr)  
   first obs. used      1997-03-10  
   last obs. used      2014-06-26  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .50395  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Jul-14 12:39:17  

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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