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 ]  
541704 (2011 WC30)
Classification: Main-belt Asteroid          SPK-ID: 2541704
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 25 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1800588708882818 4.1175e-07  
a 2.526851485891521 2.8516e-08 au
q 2.071869460439517 1.0495e-06 au
i 17.37241883182384 1.2907e-05 deg
node 220.6185055536374 1.963e-05 deg
peri 206.3849357583351 6.94e-05 deg
M 93.61361739238012 4.551e-05 deg
tp 2458818.991226783524
(2019-Dec-01.49122678)
0.00018273 TDB
period 1467.127990389041
4.02
2.4835e-05
6.799e-08
d
yr
n .2453773647277619 4.1537e-09 deg/d
Q 2.981833511343526 3.3651e-08 au
  Orbit Determination Parameters
   # obs. used (total)      172  
   data-arc span      4394 days (12.03 yr)  
   first obs. used      2009-04-20  
   last obs. used      2021-05-01  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .62806  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-May-04 13:25:30  

Additional Information
 Earth MOID = 1.09471 au 
 Jupiter MOID = 2.41701 au 
 T_jup = 3.368 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 17.36   n/a E2021B25  

541704 (2011 WC30)          Discovered 2011-Nov-18 by CSS at Catalina
Reference: Last Updated: 2019-12-13

Alternate Designations
 2011 WC30 = 2015 VT121 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2021-Jun-18 00:55 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin