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(2018 WL2)
Classification: Aten [NEO]          SPK-ID: 3836660
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 3 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .6766591891211818 3.5908e-05  
a .8837237717866711 2.8828e-05 au
q .2857439609623899 2.2433e-05 au
i 34.93505341499565 0.0055641 deg
node 65.27704098238326 0.0005827 deg
peri 149.2444778464447 0.0002323 deg
M 80.7226139291504 0.036448 deg
tp 2459132.459742436821
(2020-Oct-09.95974244)
0.027392 TDB
period 303.4402818551335
0.83
0.014848
4.065e-05
d
yr
n 1.186394890615969 5.8053e-05 deg/d
Q 1.481703582610952 4.8335e-05 au
  Orbit Determination Parameters
   # obs. used (total)      31  
   data-arc span      37 days  
   first obs. used      2018-11-02  
   last obs. used      2018-12-09  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      6  
   norm. resid. RMS      .4991  
   source      ORB  
   producer      Otto Matic  
   solution date      2018-Dec-09 07:09:43  

Additional Information
 Earth MOID = .0832532 au 
 Jupiter MOID = 3.56714 au 
 T_jup = 6.386 
[ 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 21.9   .48103 E2018X61 autocmod 2.6q

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