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JPL Small-Body Database Browser
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441649 (2008 WY45)
Classification: Main-belt Asteroid          SPK-ID: 2441649
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 .1610171403884036 7.9657e-08  
a 2.458074852708034 3.0075e-08 au
q 2.06228266906434 2.0454e-07 au
i 5.750083805496381 8.9415e-06 deg
node 55.32713934394506 0.00012457 deg
peri 349.0055760757127 0.00013404 deg
M 12.15663416976804 5.2735e-05 deg
tp 2458952.966266229682
(2020-Apr-13.46626623)
0.00020572 TDB
period 1407.63832474866
3.85
2.5834e-05
7.073e-08
d
yr
n .2557475124615405 4.6937e-09 deg/d
Q 2.853867036351728 3.4918e-08 au
  Orbit Determination Parameters
   # obs. used (total)      70  
   data-arc span      5405 days (14.80 yr)  
   first obs. used      2004-11-03  
   last obs. used      2019-08-22  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .69537  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Sep-24 07:42:15  

Additional Information
 Earth MOID = 1.07188 au 
 Jupiter MOID = 2.53618 au 
 T_jup = 3.467 
[ 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 MPO477082  

441649 (2008 WY45)          Discovered 2004-Nov-03 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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