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JPL Small-Body Database Browser
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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 ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08679424739420659 5.8819e-08  
a 2.753388346157 2.5249e-08 au
q 2.514410076868324 1.6882e-07 au
i 14.15406462011885 5.1606e-06 deg
node 92.61719125593072 2.3918e-05 deg
peri 133.9639816405021 3.4693e-05 deg
M 31.94111084988177 2.5799e-05 deg
tp 2458452.436794659976
(2018-Nov-29.93679466)
0.00011929 TDB
period 1668.78209630602
4.57
2.2954e-05
6.284e-08
d
yr
n .2157261878569336 2.9673e-09 deg/d
Q 2.992366615445675 2.744e-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 = 1.52191 au 
 Jupiter MOID = 2.09089 au 
 T_jup = 3.295 
[ 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

[ hide close-approach data ]
Close-Approach Data   ...sorted by Date/Time (TDB)
Date/Time (TDB) Time Uncertainty
(days_HH:MM)
Body Nominal Distance (au) Minimum Distance (au) Maximum Distance (au) V-relative (km/s) V-infinity (km/s) JD (TDB) Time Uncertainty (minutes) Semi-major axis (km) Semi-minor axis (km) range-LOV angle (deg) N-sigma BP Orbit Ref. Reference Modified
2165-Oct-19 18:17 00:06 Amphi 0.0423309573712969 0.0422992348222972 0.0423626893207053 5.60195477402927 5.60195474978688 2512102.261796141 5.63948911004441 1868.54851319832 46.2499097705082 -32.1806705938915 72958.5470275535 T 19 CATAB v2.0e-lin.ifort 2019-Jul-13 17:09:36 2019-Jul-13 17:09

Alternate Designations
 2002 TZ315 = 2005 LJ6 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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