Skip Page Navigation
NASA JPL Caltech
NASA Logo - Jet Propulsion Laboratory + View the NASA Portal
+ Center for Near-Earth Object Studies
JPL Home Earth Solar System Stars & Galaxies Technology
JPL Solar System Dynamics
BODIES ORBITS EPHEMERIDES TOOLS PHYSICAL DATA DISCOVERY FAQ SITE MAP
IMPORTANT: The SSD Announcement email list is now available. Major changes are coming in the near future, including possible hostname and/or URL changes. To be notified of such changes, subscribe to this email list.

Please visit this page for more details.


JPL Small-Body Database Browser
Search: [ help ]  
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 ]

[ hide orbit diagram ]

For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


[ revert to old Java-based viewer ]

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

[ show close-approach data ]
Alternate Designations
 2002 TZ315 = 2005 LJ6 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin