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(2005 WA1)
Classification: Apollo [NEO, PHA]          SPK-ID: 3303218
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 26 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .5851034184021455 8.3345e-08  
a 2.00737550489459 1.9888e-08 au
q .8328532349640325 1.6035e-07 au
i 10.93417564602027 9.582e-06 deg
node 247.2534013749419 1.0285e-05 deg
peri 241.6404950550293 2.7498e-05 deg
M 20.21971622137901 3.0765e-05 deg
tp 2458942.153620465514
(2020-Apr-02.65362047)
8.791e-05 TDB
period 1038.822523641848
2.84
1.5438e-05
4.227e-08
d
yr
n .3465462018843521 5.1501e-09 deg/d
Q 3.181897774825147 3.1525e-08 au
  Orbit Determination Parameters
   # obs. used (total)      127  
   # delay obs. used      1  
   # Doppler obs. used      3  
   data-arc span      5067 days (13.87 yr)  
   first obs. used      2005-11-12  
   last obs. used      2019-09-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .46917  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Oct-21 14:12:02  

Additional Information
 Earth MOID = .0207715 au 
 Jupiter MOID = 2.03488 au 
 T_jup = 3.581 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 21.6   n/a MPO167646  

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]
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