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(2018 PM20)
Classification: Apollo [NEO]          SPK-ID: 3826759
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 2458343.5 (2018-Aug-13.0) TDB
Reference: JPL 1 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .510333754682138 0.0025949  
a 1.998058476214727 0.010362 au
q .978381791973594 0.00011257 au
i 3.923122982371805 0.014739 deg
node 141.7292129367457 0.0015956 deg
peri 213.3091072356005 0.0068042 deg
M 349.8622837832556 0.086448 deg
tp 2458372.550147884476
(2018-Sep-11.05014788)
0.022089 TDB
period 1031.598539041548
2.82
8.0251
0.02197
d
yr
n .3489729641673144 0.0027148 deg/d
Q 3.01773516045586 0.015651 au
  Orbit Determination Parameters
   # obs. used (total)      19  
   data-arc span      1 day  
   first obs. used      2018-08-12  
   last obs. used      2018-08-13  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      8  
   norm. resid. RMS      .18418  
   source      ORB  
   producer      Otto Matic  
   solution date      2018-Aug-13 18:42:03  

Additional Information
 Earth MOID = .00865309 au 
 Jupiter MOID = 2.42489 au 
 T_jup = 3.668 
[ 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 26.3   .35507 MPO452055 autocmod 2.6n

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