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541764 (2011 WM158)
Classification: Main-belt Asteroid          SPK-ID: 2541764
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 .1251335641599254 7.2804e-07  
a 2.581470840345683 1.3566e-07 au
q 2.25844219331831 1.995e-06 au
i 9.816847348926638 1.4161e-05 deg
node 253.9267430907181 6.6535e-05 deg
peri 148.6582663651474 0.00019721 deg
M 88.97602347552409 0.00017492 deg
tp 2458826.070762057001
(2019-Dec-08.57076206)
0.00070865 TDB
period 1514.953359278406
4.15
0.00011942
3.27e-07
d
yr
n .2376310780758777 1.8732e-08 deg/d
Q 2.904499487373056 1.5264e-07 au
  Orbit Determination Parameters
   # obs. used (total)      74  
   data-arc span      3371 days (9.23 yr)  
   first obs. used      2011-11-17  
   last obs. used      2021-02-08  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .53675  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-14 20:24:22  

Additional Information
 Earth MOID = 1.27342 au 
 Jupiter MOID = 2.47156 au 
 T_jup = 3.393 
[ 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 17.77   n/a MPCxxxxx  

541764 (2011 WM158)          Discovered 2011-Nov-17 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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