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17935 Vinhoward (1999 GX45)
Classification: Main-belt Asteroid          SPK-ID: 2017935
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 6 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1888734104343953 8.5117e-08  
a 2.533609794053506 1.9574e-08 AU
q 2.055078271540634 2.1798e-07 AU
i 5.755340446029468 9.0617e-06 deg
node 190.4915192317769 5.1313e-05 deg
peri 143.6815888051808 5.4111e-05 deg
M 209.2672774224233 1.7486e-05 deg
tp 2457617.255546029212
(2016-Aug-16.75554603)
7.3958e-05 JED
period 1473.017887381716
4.03
1.707e-05
4.674e-08
d
yr
n .2443962175095502 2.8322e-09 deg/d
Q 3.012141316566377 2.3271e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      709  
   data-arc span      7278 days (19.93 yr)  
   first obs. used      1994-03-04  
   last obs. used      2014-02-05  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .52251  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Jun-09 21:58:46  

Additional Information
 Earth MOID = 1.04937 AU 
 T_jup = 3.417 
[ 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 14.8 mag n/a MPO253489  

17935 Vinhoward           Discovered 1999 Apr. 12 by the Lincoln Laboratory Near-Earth Asteroid Research Team at Socorro.
Vincent Michael Howard (b. 1984) was awarded fourth place in the 2003 Intel International Science and Engineering Fair for his engineering project. He attends the California High School, San Ramon, California, U.S.A.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20040614/MPCPages.arcLast Updated: 2009-12-11

[ show close-approach data ]
Alternate Designations
 1999 GX45 = 1996 XE33 
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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