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JPL Small-Body Database Browser
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(2013 WF108)
Classification: Apollo [NEO, PHA]          SPK-ID: 3654378
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 53 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .5740635137747232 2.8752e-08  
a 1.993842388966787 9.8572e-08 au
q .8492502212435248 3.6627e-08 au
i 23.44287448585606 2.3105e-06 deg
node 239.0167300394626 5.9551e-07 deg
peri 309.0363886483738 5.3855e-06 deg
M 63.18932247895747 5.7997e-05 deg
tp 2458820.000558604064
(2019-Dec-02.50055860)
0.00015229 TDB
period 1028.335110321457
2.82
7.6258e-05
2.088e-07
d
yr
n .3500804323285859 2.5961e-08 deg/d
Q 3.138434556690049 1.5516e-07 au
  Orbit Determination Parameters
   # obs. used (total)      152  
   # delay obs. used      6  
   # Doppler obs. used      6  
   data-arc span      1100 days (3.01 yr)  
   first obs. used      2013-11-27  
   last obs. used      2016-12-01  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      1  
   norm. resid. RMS      .46659  
   source      ORB  
   producer      Otto Matic  
   solution date      2017-Apr-06 08:43:26  

Additional Information
 Earth MOID = .0235137 au 
 Jupiter MOID = 2.18598 au 
 T_jup = 3.540 
[ 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 20.3   n/a E2014M12  
rotation period rot_per 7.37 h n/a LCDB (Rev. 2019-August); Warner et al., 2009 Result based on less than full coverage, so that the period may be wrong by 30 percent or so.
Published Reference List:
[Warner, Brian D. (2014) Minor Planet Bull. 41, 213-224.]

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