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(2020 WY4)
Classification: Apollo [NEO]          SPK-ID: 54095180
[ 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.


Orbital Elements at Epoch 2459178.5 (2020-Nov-25.0) TDB
Reference: JPL 1 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .6055327546603487 0.0010818  
a 1.991913491428437 0.0048957 au
q .7857446279186627 0.00022371 au
i 9.788645061727438 0.012999 deg
node 242.1857245950756 0.00078571 deg
peri 117.1733813452086 0.00087047 deg
M 14.70339227906577 0.062567 deg
tp 2459136.560892897519
(2020-Oct-14.06089290)		 0.023856 TDB
period 1026.843212119786
2.81		 3.7857
0.01036		 d
yr
n .3505890634041648 0.0012925 deg/d
Q 3.198082354938212 0.0078602 au
   Orbit Determination Parameters
   # obs. used (total)      17  
   data-arc span      1 day  
   first obs. used      2020-11-25  
   last obs. used      2020-11-26  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      8  
   norm. resid. RMS      .58598  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-26 08:12:03  

Additional Information
 Earth MOID = .000413418 au 
 Jupiter MOID = 2.37214 au 
 T_jup = 3.583 
[ 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 28.9   .40046 E2020-WH5 autocmod 2.8

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