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441665 (2008 WE135)
Classification: Main-belt Asteroid          SPK-ID: 2441665
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1893688355050239 6.5058e-08  
a 2.417465909910689 2.201e-08 au
q 1.959673205677809 1.6422e-07 au
i 2.209018745195233 5.8423e-06 deg
node 112.8764799756993 0.00019655 deg
peri 279.7725057050927 0.00019908 deg
M 47.04152562913424 2.3564e-05 deg
tp 2458821.101890521729
(2019-Dec-03.60189052)
9.0646e-05 TDB
period 1372.900188683065
3.76
1.8749e-05
5.133e-08
d
yr
n .262218625190317 3.5811e-09 deg/d
Q 2.875258614143569 2.6178e-08 au
  Orbit Determination Parameters
   # obs. used (total)      132  
   data-arc span      7973 days (21.83 yr)  
   first obs. used      1998-01-29  
   last obs. used      2019-11-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .41835  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-05 02:10:16  

Additional Information
 Earth MOID = .967184 au 
 Jupiter MOID = 2.55936 au 
 T_jup = 3.490 
[ 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 17.8   n/a MPO503571  

441665 (2008 WE135)          Discovered 2008-Nov-18 by Spacewatch at Kitt Peak
Reference: Last Updated: 2015-09-02
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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