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 ]  
324088 (2005 WJ121)
Classification: Main-belt Asteroid          SPK-ID: 2324088
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 10 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .05652736148603599 5.9844e-08  
a 2.881578464544768 4.0921e-08 au
q 2.718690437029069 1.7758e-07 au
i 5.32320801112407 7.209e-06 deg
node 228.9945316207805 8.5145e-05 deg
peri 195.4523018148843 0.00011698 deg
M 266.8579867833653 8.2882e-05 deg
tp 2459062.760964958121
(2020-Aug-01.26096496)
0.00041582 TDB
period 1786.668997564708
4.89
3.8059e-05
1.042e-07
d
yr
n .2014922744451784 4.2921e-09 deg/d
Q 3.044466492060466 4.3235e-08 au
  Orbit Determination Parameters
   # obs. used (total)      138  
   data-arc span      5968 days (16.34 yr)  
   first obs. used      2000-11-25  
   last obs. used      2017-03-29  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .63432  
   source      ORB  
   producer      Otto Matic  
   solution date      2017-Apr-10 11:10:17  

Additional Information
 Earth MOID = 1.7318 au 
 Jupiter MOID = 2.17116 au 
 T_jup = 3.285 
[ 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 16.2   n/a MPO266818  

324088 (2005 WJ121)          Discovered 2005-Nov-30 by Mt. Lemmon Survey at Mount Lemmon
Reference: 20120406/Numbers.arcLast Updated: 2012-04-09

[ show close-approach data ]
Alternate Designations
 2005 WJ121 = 2001 BN39 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2019-Oct-13 21:32 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin