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 ]  
214498 (2005 WZ4)
Classification: Main-belt Asteroid          SPK-ID: 2214498
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 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .313612350382925 4.536e-08  
a 3.151485553698894 2.8207e-08 au
q 2.16314076200555 1.4227e-07 au
i 14.70179957430924 7.1268e-06 deg
node 116.9708973998545 2.3403e-05 deg
peri 245.1010723398485 2.6178e-05 deg
M 178.6165446880213 1.1994e-05 deg
tp 2457586.610580762651
(2016-Jul-17.11058076)
6.0952e-05 TDB
period 2043.484782235427
5.59
2.7435e-05
7.511e-08
d
yr
n .1761696505545716 2.3652e-09 deg/d
Q 4.139830345392238 3.7053e-08 au
  Orbit Determination Parameters
   # obs. used (total)      299  
   data-arc span      9396 days (25.72 yr)  
   first obs. used      1993-07-12  
   last obs. used      2019-04-03  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57542  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-14 05:42:12  

Additional Information
 Earth MOID = 1.20477 au 
 Jupiter MOID = 1.57879 au 
 T_jup = 3.081 
[ 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 15.2   n/a MPO437026  
diameter diameter 5.375 km 0.164 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.056   0.012 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

214498 (2005 WZ4)          Discovered 2005-Nov-19 by NEAT at Palomar
Reference: 20090509/Numbers.arcLast Updated: 2009-05-11

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2019-Dec-07 20:08 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin