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541741 (2011 WD118)
Classification: Main-belt Asteroid          SPK-ID: 2541741
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 9 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1947297940264381 2.4451e-07  
a 2.576804083016062 3.7683e-08 au
q 2.07502355468386 6.4941e-07 au
i 13.18288813464253 6.6733e-06 deg
node 313.987011712164 3.0998e-05 deg
peri 16.65405457631442 3.6535e-05 deg
M 132.2630071025199 2.4396e-05 deg
tp 2458645.418927741658
(2019-Jun-10.91892774)
0.0001094 TDB
period 1510.847140032972
4.14
3.3142e-05
9.074e-08
d
yr
n .2382769179363463 5.2268e-09 deg/d
Q 3.078584611348265 4.5021e-08 au
  Orbit Determination Parameters
   # obs. used (total)      178  
   data-arc span      3382 days (9.26 yr)  
   first obs. used      2011-11-08  
   last obs. used      2021-02-10  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .48136  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-14 20:24:19  

Additional Information
 Earth MOID = 1.06475 au 
 Jupiter MOID = 2.27968 au 
 T_jup = 3.363 
[ 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 17.07   n/a MPCxxxxx  

541741 (2011 WD118)          Discovered 2011-Nov-08 by Pan-STARRS 1 at Haleakala
Reference: Last Updated: 2019-12-13

Alternate Designations
 2011 WD118 = 2015 TU289 = 2017 BF79 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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