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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 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 4 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .8620809220083613 1.9495e-06  
a 19.51308709252724 0.00027304 au
q 2.691226980571904 5.7866e-07 au
i 74.11851088582344 9.0385e-05 deg
node 350.7434632472265 8.787e-06 deg
peri 275.1753090653089 6.0955e-05 deg
M 16.52970789026593 0.00034317 deg
tp 2457950.893543046655
(2017-Jul-16.39354305)
0.00062541 TDB
period 31483.81858639318
86.20
0.66083
0.001809
d
yr
n .01143444525358771 2.4e-07 deg/d
Q 36.33494720448258 0.00050843 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 = 2.37078 au 
 Jupiter MOID = .0745471 au 
 T_jup = 0.804 
[ 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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