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JPL Small-Body Database Browser
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(2018 PK20)
Classification: Aten [NEO]          SPK-ID: 3826760
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.


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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 4 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2749469412894678 0.00033278  
a .8914542385782224 5.3223e-05 au
q .6463516223816086 0.00033524 au
i 10.1641405247267 0.017676 deg
node 320.450727304247 0.0014249 deg
peri 140.510191013232 0.0054245 deg
M 292.8136197850015 0.10991 deg
tp 2459057.875403239109
(2020-Jul-27.37540324)
0.099002 TDB
period 307.4305402372061
0.84
0.027532
7.538e-05
d
yr
n 1.170996218274972 0.00010487 deg/d
Q 1.136556854774836 6.7857e-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.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      6  
   norm. resid. RMS      .46674  
   source      ORB  
   producer      Otto Matic  
   solution date      2018-Aug-28 06:51:56  

Additional Information
 Earth MOID = .0205977 au 
 Jupiter MOID = 3.98244 au 
 T_jup = 6.620 
[ 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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