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JPL Small-Body Database Browser
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277497 (2005 WM118)
Classification: Main-belt Asteroid          SPK-ID: 2277497
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1474359718468337 3.8914e-08  
a 2.544746792688041 1.7283e-08 au
q 2.169559576203966 9.505e-08 au
i 4.487734413100575 4.3012e-06 deg
node 317.1872541670381 8.8496e-05 deg
peri 156.3215915243838 9.1858e-05 deg
M 73.77113481346045 2.6886e-05 deg
tp 2458296.656987134442
(2018-Jun-27.15698713)
0.00010973 TDB
period 1482.740978679409
4.06
1.5105e-05
4.136e-08
d
yr
n .2427935864567735 2.4734e-09 deg/d
Q 2.919934009172115 1.9831e-08 au
  Orbit Determination Parameters
   # obs. used (total)      459  
   data-arc span      6388 days (17.49 yr)  
   first obs. used      2001-11-11  
   last obs. used      2019-05-09  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53494  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-May-30 08:55:06  

Additional Information
 Earth MOID = 1.18715 au 
 Jupiter MOID = 2.1781 au 
 T_jup = 3.424 
[ 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 16.1   n/a MPO433795  

277497 (2005 WM118)          Discovered 2005-Nov-28 by CSS at Catalina
Reference: 20110517/Numbers.arcLast Updated: 2011-05-20
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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