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(2019 WO2)
Classification: Apollo [NEO]          SPK-ID: 3893488
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 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .4818273786509719 6.9538e-07  
a 1.917117520785755 2.5584e-06 au
q .9933978111797045 2.1945e-08 au
i 7.416594999522006 9.2142e-06 deg
node 256.8127528521483 5.2639e-06 deg
peri 188.9631384291461 1.7732e-05 deg
M 135.9845483643716 0.00027189 deg
tp 2458834.266056177777
(2019-Dec-16.76605618)
1.4736e-05 TDB
period 969.5529481976348
2.65
0.0019408
5.314e-06
d
yr
n .371305147046613 7.4327e-07 deg/d
Q 2.840837230391805 3.7911e-06 au
  Orbit Determination Parameters
   # obs. used (total)      123  
   # delay obs. used      2  
   # Doppler obs. used      1  
   data-arc span      27 days  
   first obs. used      2019-11-25  
   last obs. used      2019-12-22  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      3  
   norm. resid. RMS      .38724  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-15 22:09:13  

Additional Information
 Earth MOID = .0117948 au 
 Jupiter MOID = 2.41718 au 
 T_jup = 3.769 
[ 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 25.2   .38041 MPO562942 autocmod 2.8

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