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(2019 WF2)
Classification: Apollo [NEO]          SPK-ID: 3893455
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 2458812.5 (2019-Nov-25.0) TDB
Reference: JPL 3 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .4316147721215264 0.0011854  
a 1.532698621227466 0.0029171 au
q .8711632550953957 0.00015947 au
i 15.94841574050737 0.031717 deg
node 61.28445680213434 0.0025589 deg
peri 300.7594068703277 0.014459 deg
M 23.53497299282694 0.08489 deg
tp 2458767.189925061345
(2019-Oct-10.68992506)
0.034107 TDB
period 693.0803355027135
1.90
1.9787
0.005417
d
yr
n .5194203060730043 0.0014829 deg/d
Q 2.194233987359537 0.0041762 au
  Orbit Determination Parameters
   # obs. used (total)      22  
   data-arc span      3 days  
   first obs. used      2019-11-23  
   last obs. used      2019-11-26  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      8  
   norm. resid. RMS      .37872  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-15 22:09:10  

Additional Information
 Earth MOID = .0226264 au 
 Jupiter MOID = 3.34521 au 
 T_jup = 4.336 
[ 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 25.8   .20121 E2019-WI7 autocmod 2.8

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