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541718 (2011 WE66)
Classification: Main-belt Asteroid          SPK-ID: 2541718
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 6 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06230951824748608 9.9367e-08  
a 2.561356798373701 3.2215e-08 au
q 2.401759890207112 2.605e-07 au
i 14.58744110556894 9.552e-06 deg
node 278.5897479919165 2.2825e-05 deg
peri 216.5736289255367 7.1465e-05 deg
M 28.03784676111775 7.4088e-05 deg
tp 2459083.887339422248
(2020-Aug-22.38733942)
0.00030722 TDB
period 1497.281805042479
4.10
2.8247e-05
7.734e-08
d
yr
n .2404357007395722 4.536e-09 deg/d
Q 2.720953706540289 3.4222e-08 au
  Orbit Determination Parameters
   # obs. used (total)      82  
   data-arc span      4434 days (12.14 yr)  
   first obs. used      2007-12-03  
   last obs. used      2020-01-23  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .51085  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-14 20:24:13  

Additional Information
 Earth MOID = 1.42962 au 
 Jupiter MOID = 2.41986 au 
 T_jup = 3.387 
[ 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 17.0   .26018 MPO535742 autocmod 2.8

541718 (2011 WE66)          Discovered 2007-Dec-03 by Spacewatch at Kitt Peak
Reference: Last Updated: 2019-12-13

Alternate Designations
 2011 WE66 = 2014 QY12 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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