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172317 Walterbos (2002 TZ315)
Classification: Main-belt Asteroid          SPK-ID: 2172317
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 9 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08537910651274955 1.2482e-07  
a 2.752483153362115 3.5959e-08 AU
q 2.517478601036662 3.5531e-07 AU
i 14.14858487937855 9.9624e-06 deg
node 92.65343027118413 4.0184e-05 deg
peri 134.1038981167586 5.7327e-05 deg
M 46.44669968895359 3.8204e-05 deg
tp 2456785.302218082198
(2014-May-07.80221808)
0.00017858 JED
period 1667.959230886618
4.57
3.2686e-05
8.949e-08
d
yr
n .2158326134917812 4.2296e-09 deg/d
Q 2.987487705687568 3.903e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      202  
   data-arc span      4756 days (13.02 yr)  
   first obs. used      2001-07-18  
   last obs. used      2014-07-26  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .57978  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Aug-13 16:58:10  

Additional Information
 Earth MOID = 1.52641 AU 
 T_jup = 3.296 
[ 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 16.0 mag n/a MPO302796  

172317 Walterbos           Discovered 2002 Oct. 4 by the Sloan Digital Sky Survey at Apache Point.
Rene Walterbos (b. 1957) is a Dutch/American astronomer and a contributor to the Sloan Digital Sky Survey, known for his research of the interstellar medium in the Andromeda galaxy and other nearby galaxies.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20130127/MPCPages.arcLast Updated: 2013-01-31

[ show close-approach data ]
Alternate Designations
 2002 TZ315 = 2005 LJ6 
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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