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(2008 WK)
Classification: Amor [NEO]          SPK-ID: 3439478
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 27 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2818250755588517 6.1958e-08  
a 1.417507156554774 3.506e-08 au
q 1.018018095053512 7.9739e-08 au
i 6.338631762010699 1.1534e-05 deg
node 61.73011965210932 1.5139e-05 deg
peri 29.10002205413938 6.5616e-05 deg
M 281.66859668632 0.00011832 deg
tp 2459134.628084809576
(2020-Oct-12.12808481)
0.00020745 TDB
period 616.4336203461648
1.69
2.287e-05
6.261e-08
d
yr
n .5840044866434089 2.1667e-08 deg/d
Q 1.816996218056036 4.4941e-08 au
  Orbit Determination Parameters
   # obs. used (total)      124  
   data-arc span      1871 days (5.12 yr)  
   first obs. used      2008-11-18  
   last obs. used      2014-01-02  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .36658  
   source      ORB  
   producer      Otto Matic  
   solution date      2017-Apr-06 09:02:11  

Additional Information
 Earth MOID = .0488582 au 
 Jupiter MOID = 3.38402 au 
 T_jup = 4.666 
[ 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 23.2   n/a MPO156148  

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