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
JPL Small-Body Database Browser
Search: [ help ]  
152501 (2005 WD168)
Classification: Main-belt Asteroid          SPK-ID: 2152501
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1223464155264537 4.7296e-08  
a 3.125310881368451 2.5075e-08 au
q 2.742940297627199 1.4541e-07 au
i 2.446803399045053 3.9732e-06 deg
node 87.14636247175487 0.00012724 deg
peri 102.4143408223912 0.00012849 deg
M 156.3774363255562 2.0236e-05 deg
tp 2458323.883075576037
(2018-Jul-24.38307558)		 0.00010923 TDB
period 2018.079463431211
5.53		 2.4287e-05
6.649e-08		 d
yr
n .1783874255317554 2.1469e-09 deg/d
Q 3.507681465109703 2.8143e-08 au
   Orbit Determination Parameters
   # obs. used (total)      452  
   data-arc span      7657 days (20.96 yr)  
   first obs. used      1999-11-28  
   last obs. used      2020-11-14  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .54446  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 19:27:25  

Additional Information
 Earth MOID = 1.74412 au 
 Jupiter MOID = 1.44832 au 
 T_jup = 3.202 
[ 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 15.57   n/a E2021B55  

152501 (2005 WD168)          Discovered 2005-Nov-30 by Spacewatch at Kitt Peak
Reference: 20070303/Numbers.arcLast Updated: 2007-03-07

[ show close-approach data ]
Alternate Designations
 2005 WD168 = 1999 WL14 
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2021-Apr-23 15:26 UT
(server date/time)   		NASA Home Page
Site Manager:   Ryan S. Park
Webmaster:   Alan B. Chamberlin