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(2013 WT45)
Classification: Apollo [NEO, PHA]          SPK-ID: 3653970
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]

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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 41 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .4669039804488994 8.3423e-08  
a 1.629938111548363 2.914e-08 au
q .8689135193810701 1.2429e-07 au
i 9.337440248698286 1.2181e-05 deg
node 33.11092223411652 3.9131e-05 deg
peri 121.9417356820929 3.7305e-05 deg
M 6.784383081282871 2.2526e-05 deg
tp 2458986.176044586489
(2020-May-16.67604459)
4.7195e-05 TDB
period 760.0726384526313
2.08
2.0383e-05
5.581e-08
d
yr
n .4736389415791813 1.2701e-08 deg/d
Q 2.390962703715656 4.2745e-08 au
  Orbit Determination Parameters
   # obs. used (total)      162  
   data-arc span      940 days (2.57 yr)  
   first obs. used      2013-11-01  
   last obs. used      2016-05-29  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .46493  
   source      ORB  
   producer      Otto Matic  
   solution date      2017-Apr-06 08:43:29  

Additional Information
 Earth MOID = .00781513 au 
 Jupiter MOID = 2.63357 au 
 T_jup = 4.169 
[ 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 MPO382712  
diameter diameter 0.185 km 0.044 urn:nasa:pds:neowise_diameters_albedos::2.0[neos] (http://adsabs.harvard.edu/abs/2017AJ....154..168M)  
geometric albedo albedo 0.391   0.219 urn:nasa:pds:neowise_diameters_albedos::2.0[neos] (http://adsabs.harvard.edu/abs/2017AJ....154..168M)  

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