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(2019 WK2)
Classification: Apollo [NEO]          SPK-ID: 3893458
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 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 4 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .6173924155764173 0.00061577  
a 2.172770914818801 0.0032081 au
q .8313186312246394 0.0001132 au
i 5.94012009689191 0.0051143 deg
node 237.1713922483009 0.0028014 deg
peri 129.0281484516759 0.007081 deg
M 191.5187196938538 0.427 deg
tp 2459943.980290244245
(2022-Dec-30.48029024)
2.6001 TDB
period 1169.82079035601
3.20
2.5909
0.007093
d
yr
n .3077394443386852 0.00068157 deg/d
Q 3.514223198412964 0.0051888 au
  Orbit Determination Parameters
   # obs. used (total)      54  
   data-arc span      1 day  
   first obs. used      2019-11-25  
   last obs. used      2019-11-26  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      7  
   norm. resid. RMS      .29724  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-15 22:09:13  

Additional Information
 Earth MOID = .00539825 au 
 Jupiter MOID = 2.00038 au 
 T_jup = 3.406 
[ 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 25.5   .208 E2019X59 autocmod 2.8

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