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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 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1894798495833989 6.4633e-08  
a 2.417525902713721 2.1434e-08 au
q 1.959453458303555 1.6276e-07 au
i 2.209029477113866 5.8231e-06 deg
node 112.8759974509325 0.00019635 deg
peri 279.7683628090393 0.00019864 deg
M 99.47592764964395 2.2613e-05 deg
tp 2458821.123323182490
(2019-Dec-03.62332318)
8.7555e-05 TDB
period 1372.951294662217
3.76
1.8259e-05
4.999e-08
d
yr
n .262208864509334 3.4871e-09 deg/d
Q 2.875598347123888 2.5495e-08 au
  Orbit Determination Parameters
   # obs. used (total)      136  
   data-arc span      8451 days (23.14 yr)  
   first obs. used      1998-01-29  
   last obs. used      2021-03-20  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .42212  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-May-04 12:54:50  

Additional Information
 Earth MOID = .965821 au 
 Jupiter MOID = 2.56015 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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