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(2019 YW2)
Classification: Apollo [NEO]          SPK-ID: 3946728
[ 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 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .5028934875319581 8.5469e-05  
a 1.673012420301997 0.00024705 au
q .8316653695720437 2.0184e-05 au
i 1.875574146108572 0.00026223 deg
node 271.9990150602545 0.00011425 deg
peri 119.2838089429103 0.00061919 deg
M 92.34210372552441 0.021156 deg
tp 2458797.757667713792
(2019-Nov-10.25766771)		 0.001543 TDB
period 790.4004422509212
2.16		 0.17507
0.0004793		 d
yr
n .4554653321989338 0.00010088 deg/d
Q 2.514359471031951 0.00037128 au
   Orbit Determination Parameters
   # obs. used (total)      140  
   data-arc span      39 days  
   first obs. used      2019-12-24  
   last obs. used      2020-02-01  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      6  
   norm. resid. RMS      .49385  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Apr-03 06:34:30  

Additional Information
 Earth MOID = .00188879 au 
 Jupiter MOID = 2.93692 au 
 T_jup = 4.090 
[ hide covariance matrix ]
Orbital Elements at Epoch 2458862.5 (2020-Jan-14.0) TDB
Reference: JPL 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .5028991221477879 8.5462e-05  
q .8317280931497022 2.0167e-05 au
tp 2458797.759959171295
(2019-Nov-10.25995917)		 0.0015414 TDB
node 272.000023109202 0.00011356 deg
peri 119.2890801429604 0.0006183 deg
i 1.875654968940283 0.0002622 deg
   Orbit Determination Parameters
   # obs. used (total)      140  
   data-arc span      39 days  
   first obs. used      2019-12-24  
   last obs. used      2020-02-01  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      6  
   norm. resid. RMS      .49385  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Apr-03 06:34:30  

Additional Information
 Jupiter MOID = 2.93692 au 
 T_jup = 4.090 
Orbit Covariance (6×6)
  e q tp node peri i
e 7.303752163888495E-9 -1.723372572383085E-9 1.31699667630792E-7 9.133304829106146E-9 -5.268450332609185E-8 2.23997585795674E-8
q -1.723372572383085E-9 4.066915746258436E-10 -3.107738539342809E-8 -2.156711294113133E-9 1.243613688750241E-8 -5.285096589330086E-9
tp 1.31699667630792E-7 -3.107738539342809E-8 2.375793954208118E-6 1.649683243014483E-7 -9.495572050000171E-7 4.038384658160863E-7
node 9.133304829106146E-9 -2.156711294113133E-9 1.649683243014483E-7 1.289620847040376E-8 -6.727022737215485E-8 2.817422806095918E-8
peri -5.268450332609185E-8 1.243613688750241E-8 -9.495572050000171E-7 -6.727022737215485E-8 3.822932795145705E-7 -1.617738848091436E-7
i 2.23997585795674E-8 -5.285096589330086E-9 4.038384658160863E-7 2.817422806095918E-8 -1.617738848091436E-7 6.875007478153877E-8

[ 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 24.0   .56299 E2020-AA1 autocmod 2.8

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