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(2005 WS54)
Classification: Mars-crossing Asteroid          SPK-ID: 3307115
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 4 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .5166922770527834 0.00018555  
a 3.085825367699767 0.00084471 au
q 1.491403231875732 0.00017046 au
i 31.54809628969198 0.0044574 deg
node 83.69566851602789 0.0048777 deg
peri 322.2844414887206 0.0015767 deg
M 300.1423717860114 0.45667 deg
tp 2459529.709567308638
(2021-Nov-11.20956731)
2.6468 TDB
period 1979.955567357624
5.42
0.81298
0.002226
d
yr
n .1818222620421946 7.4657e-05 deg/d
Q 4.680247503523803 0.0012812 au
  Orbit Determination Parameters
   # obs. used (total)      31  
   data-arc span      42 days  
   first obs. used      2005-11-28  
   last obs. used      2006-01-09  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      6  
   norm. resid. RMS      .51946  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-14 23:13:59  

Additional Information
 Earth MOID = .570614 au 
 Jupiter MOID = 1.17582 au 
 T_jup = 2.810 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 18.2   n/a MPO97989  
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters ]
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