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(2018 PK20)
Classification: Aten [NEO]          SPK-ID: 3826760
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 5 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2751562379465108 0.00032722  
a .8917311003537585 6.4658e-05 au
q .6463657255205157 0.00033866 au
i 10.1584412784509 0.017638 deg
node 320.4414152379874 0.0012929 deg
peri 140.5020013895004 0.0080434 deg
M 36.499101335201 0.15361 deg
tp 2459365.316204913154
(2021-May-30.81620491)
0.12785 TDB
period 307.5737708763126
0.84
0.033452
9.159e-05
d
yr
n 1.170450909953469 0.0001273 deg/d
Q 1.137096475187001 8.2448e-05 au
  Orbit Determination Parameters
   # obs. used (total)      29  
   data-arc span      11 days  
   first obs. used      2018-08-05  
   last obs. used      2018-08-16  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      6  
   norm. resid. RMS      .46679  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-15 20:35:24  

Additional Information
 Earth MOID = .0203627 au 
 Jupiter MOID = 3.9815 au 
 T_jup = 6.619 
[ 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 25.9   .36901 MPO452055 autocmod 2.6n

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