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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 2456800.5 (2014-May-23.0) TDB
Reference: JPL 4 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08522974757341899 1.2803e-07  
a 2.752041310281853 4.4778e-08 AU
q 2.517485524094909 3.6813e-07 AU
i 14.14908984210039 1.0335e-05 deg
node 92.6530842687727 4.4003e-05 deg
peri 134.0834546575263 6.4478e-05 deg
M 3.300427130644114 5.2097e-05 deg
tp 2456785.212076612246
(2014-May-07.71207661)
0.00024122 JED
period 1667.557622615114
4.57
4.0699e-05
1.114e-07
d
yr
n .2158845938021842 5.2689e-09 deg/d
Q 2.986597096468796 4.8594e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      157  
   data-arc span      4643 days (12.71 yr)  
   first obs. used      2001-07-18  
   last obs. used      2014-04-04  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .6141  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Apr-17 16:31:52  

Additional Information
 Earth MOID = 1.52491 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 16.1 mag n/a MPO251401  

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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