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(2018 PL28)
Classification: Centaur          SPK-ID: 3830510
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 4 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .8622678972291474 1.9489e-06  
a 19.52552836353064 0.00027352 au
q 2.689292079220999 5.7786e-07 au
i 74.13055365842716 9.0404e-05 deg
node 350.7545266076596 8.7872e-06 deg
peri 275.1565574468607 6.0914e-05 deg
M 14.27091910655877 0.0002961 deg
tp 2457951.242220350333
(2017-Jul-16.74222035)
0.00062519 TDB
period 31513.93384797392
86.28
0.66218
0.001813
d
yr
n .01142351829945042 2.4004e-07 deg/d
Q 36.36176464784028 0.00050937 au
  Orbit Determination Parameters
   # obs. used (total)      143  
   data-arc span      1392 days (3.81 yr)  
   first obs. used      2015-02-20  
   last obs. used      2018-12-13  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      2  
   norm. resid. RMS      .48595  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-15 20:35:54  

Additional Information
 Earth MOID = 2.36863 au 
 Jupiter MOID = .0712969 au 
 T_jup = 0.803 
[ show covariance matrix ]

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

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 14.8   .57763 MPO452069 autocmod 2.6n

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