Skip Page Navigation
NASA JPL Caltech
NASA Logo - Jet Propulsion Laboratory + View the NASA Portal
+ Near-Earth Object (NEO) Program
Search JPL
JPL Home Earth Solar System Stars & Galaxies Technology
JPL Solar System Dynamics
BODIES ORBITS EPHEMERIDES TOOLS PHYSICAL DATA DISCOVERY FAQ SITE MAP
JPL Small-Body Database Browser
Search: [ help ]  
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 7 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .05430647148993319 6.983e-08  
a 3.114609288300529 4.3288e-08 AU
q 2.945465847783156 2.2523e-07 AU
i 11.200929956739 7.3259e-06 deg
node 160.5509935824577 3.2836e-05 deg
peri 174.1182295922853 7.4091e-05 deg
M 225.4855507383856 6.9818e-05 deg
tp 2457550.688194609683
(2016-Jun-11.18819461)
0.00039584 JED
period 2007.722973568709
5.50
4.1856e-05
1.146e-07
d
yr
n .1793076060489079 3.7381e-09 deg/d
Q 3.283752728817904 4.5639e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      794  
   data-arc span      6238 days (17.08 yr)  
   first obs. used      1997-03-10  
   last obs. used      2014-04-08  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .51144  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Apr-17 14:11:11  

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 ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2014-Apr-24 22:29 UT
(server date/time)  
NASA Home Page
Site Manager:   Donald K. Yeomans
Webmaster  Alan B. Chamberlin