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541765 (2011 WB159)
Classification: Main-belt Asteroid          SPK-ID: 2541765
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 7 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2260116226322691 6.3779e-08  
a 2.572845092917663 2.4222e-08 au
q 1.99135219868587 1.5795e-07 au
i 1.990787929998736 1.52e-05 deg
node 234.4081569988639 0.00018159 deg
peri 98.90802681587874 0.0001853 deg
M 142.6257105658811 3.7181e-05 deg
tp 2458603.307691823047
(2019-Apr-29.80769182)
0.00015235 TDB
period 1507.366589731353
4.13
2.1287e-05
5.828e-08
d
yr
n .2388271057965801 3.3726e-09 deg/d
Q 3.154337987149455 2.9696e-08 au
  Orbit Determination Parameters
   # obs. used (total)      81  
   data-arc span      9657 days (26.44 yr)  
   first obs. used      1994-08-31  
   last obs. used      2021-02-07  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .60693  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-14 20:24:22  

Additional Information
 Earth MOID = .980477 au 
 Jupiter MOID = 2.23043 au 
 T_jup = 3.392 
[ 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 17.76   .4077 MPCxxxxx autocmod 2.6n

541765 (2011 WB159)          Discovered 2011-Nov-24 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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