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 ]  
541731 (2011 WH105)
Classification: Main-belt Asteroid          SPK-ID: 2541731
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 26 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2061156620473014 1.2907e-07  
a 2.605100721712221 6.9705e-08 au
q 2.068148661756604 3.8418e-07 au
i 10.3700030920244 8.3051e-06 deg
node 253.6105306390142 4.5661e-05 deg
peri 90.89433544139112 8.1695e-05 deg
M 113.5818622765054 4.4862e-05 deg
tp 2458715.946550125221
(2019-Aug-20.44655013)
0.000209 TDB
period 1535.801918181821
4.20
6.164e-05
1.688e-07
d
yr
n .2344052287850966 9.408e-09 deg/d
Q 3.142052781667839 8.4072e-08 au
  Orbit Determination Parameters
   # obs. used (total)      163  
   data-arc span      3340 days (9.14 yr)  
   first obs. used      2011-10-29  
   last obs. used      2020-12-20  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .50328  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-14 20:24:16  

Additional Information
 Earth MOID = 1.09055 au 
 Jupiter MOID = 2.39092 au 
 T_jup = 3.360 
[ 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 17.40   n/a MPCxxxxx  

541731 (2011 WH105)          Discovered 2011-Oct-29 by Spacewatch at Kitt Peak
Reference: Last Updated: 2019-12-13
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2021-Jun-15 03:50 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin