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172317 Walterbos (2002 TZ315)
Classification: Main-belt Asteroid          SPK-ID: 2172317
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08668515927716083 5.8787e-08  
a 2.750880574700742 2.4917e-08 au
q 2.51242005393036 1.6818e-07 au
i 14.1553609271356 5.1596e-06 deg
node 92.61598626489445 2.3924e-05 deg
peri 133.3236213809722 3.4717e-05 deg
M 118.9226561296429 2.5981e-05 deg
tp 2458449.986299619859
(2018-Nov-27.48629962)
0.00011903 TDB
period 1666.502738727937
4.56
2.2642e-05
6.199e-08
d
yr
n .2160212471506603 2.935e-09 deg/d
Q 2.989341095471123 2.7076e-08 au
  Orbit Determination Parameters
   # obs. used (total)      345  
   data-arc span      6137 days (16.80 yr)  
   first obs. used      2001-07-18  
   last obs. used      2018-05-07  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55565  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 17:09:34  

Additional Information
 Earth MOID = 1.52064 au 
 Jupiter MOID = 2.09405 au 
 T_jup = 3.296 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 15.8   n/a MPO436857  

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 | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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