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JPL Small-Body Database Browser
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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 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 41 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .4669536119323014 8.345e-08  
a 1.629790555369705 2.9218e-08 au
q .8687539688466699 1.2431e-07 au
i 9.338103150008333 1.2182e-05 deg
node 33.1106057407596 3.9128e-05 deg
peri 121.9590027234915 3.7303e-05 deg
M 177.2945608461637 1.7788e-05 deg
tp 2458226.226538804467
(2018-Apr-17.72653880)
2.8667e-05 TDB
period 759.9694282065577
2.08
2.0437e-05
5.595e-08
d
yr
n .4737032657347276 1.2739e-08 deg/d
Q 2.390827141892741 4.2862e-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 = .0078083 au 
 Jupiter MOID = 2.6352 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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