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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 ]

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Orbital Elements at Epoch 2457600.5 (2016-Jul-31.0) TDB
Reference: JPL 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08573528587683576 9.2186e-08  
a 2.752294754612998 2.9981e-08 au
q 2.516325977008937 2.5252e-07 au
i 14.1478375210663 7.6871e-06 deg
node 92.63783446297464 3.4116e-05 deg
peri 134.1626161774077 5.0162e-05 deg
M 175.8656614884999 3.5725e-05 deg
tp 2456785.759341571350
(2014-May-08.25934157)
0.00016849 JED
period 1667.787984031742
4.57
2.7251e-05
7.461e-08
d
yr
n .2158547749754914 3.527e-09 deg/d
Q 2.988263532217059 3.2552e-08 au
  Orbit Determination Parameters
   # obs. used (total)      242  
   data-arc span      5202 days (14.24 yr)  
   first obs. used      2001-07-18  
   last obs. used      2015-10-15  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .56545  
   data source      ORB  
   producer      Otto Matic  
   solution date      2015-Oct-28 20:58:17  

Additional Information
 Earth MOID = 1.52348 au 
 Jupiter MOID = 2.09118 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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