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541766 (2011 WM159)
Classification: Main-belt Asteroid          SPK-ID: 2541766
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1143129297046436 7.4995e-08  
a 2.590769459733095 4.6777e-08 au
q 2.294611012601688 1.6539e-07 au
i 14.46694799234743 9.0871e-06 deg
node 67.96537472461087 2.0256e-05 deg
peri 288.1353841799655 5.7053e-05 deg
M 190.5093033975165 4.8523e-05 deg
tp 2460113.608621852095
(2023-Jun-18.10862185)
0.00020909 TDB
period 1523.146161067648
4.17
4.1251e-05
1.129e-07
d
yr
n .2363528919297268 6.4011e-09 deg/d
Q 2.886927906864502 5.2124e-08 au
  Orbit Determination Parameters
   # obs. used (total)      123  
   data-arc span      4840 days (13.25 yr)  
   first obs. used      2008-01-01  
   last obs. used      2021-04-02  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .51492  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jul-09 09:01:22  

Additional Information
 Earth MOID = 1.33904 au 
 Jupiter MOID = 2.57478 au 
 T_jup = 3.366 
[ hide covariance matrix ]
Orbital Elements at Epoch 2458190.5 (2018-Mar-13.0) TDB
Reference: JPL 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1137955149036234 7.5179e-08  
q 2.296557617431889 1.6547e-07 au
tp 2458588.940109504070
(2019-Apr-15.44010950)
0.00020423 TDB
node 67.97836920698758 2.025e-05 deg
peri 287.7652765595132 5.7258e-05 deg
i 14.4678901319859 9.0873e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      123  
   data-arc span      4840 days (13.25 yr)  
   first obs. used      2008-01-01  
   last obs. used      2021-04-02  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .51492  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jul-09 09:01:22  

Additional Information
 Jupiter MOID = 2.57478 au 
 T_jup = 3.366 
Orbit Covariance (6×6)
  e q tp node peri i
e 5.651862131159054E-15 -1.226939510791393E-14 3.613345390432449E-13 -4.063873686217837E-15 -3.457919466588638E-13 -3.791680743150333E-15
q -1.226939510791393E-14 2.737878010752627E-14 -4.966244851118755E-13 5.173731339927767E-15 7.744963814063786E-13 8.326549923404446E-15
tp 3.613345390432449E-13 -4.966244851118755E-13 4.171061853524944E-8 -1.530201841814833E-10 1.088103338684377E-8 2.049338703955143E-11
node -4.063873686217837E-15 5.173731339927767E-15 -1.530201841814833E-10 4.10069012145712E-10 -4.352484389727127E-10 1.76732318354079E-11
peri -3.457919466588638E-13 7.744963814063786E-13 1.088103338684377E-8 -4.352484389727127E-10 3.27851727971864E-9 -1.132794749764462E-11
i -3.791680743150333E-15 8.326549923404446E-15 2.049338703955143E-11 1.76732318354079E-11 -1.132794749764462E-11 8.257819362689722E-11

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

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 17.15   .23987 MPCxxxxx autocmod 2.6n

541766 (2011 WM159)          Discovered 2011-Nov-30 by Mount Lemmon Survey at Mount Lemmon
Reference: Last Updated: 2019-12-13
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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