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(2018 PN22)
Classification: Aten [NEO]          SPK-ID: 3826807
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]

[ hide orbit diagram ]

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.


Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 5 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .04188273996252878 6.4023e-06  
a .9959986369437498 2.7918e-07 au
q .9542834850296016 6.6421e-06 au
i 4.36489104287362 0.0013491 deg
node 315.8115807964016 0.0019072 deg
peri 214.2245541949001 0.013443 deg
M 79.34663324703027 0.016514 deg
tp 2458920.477420578429
(2020-Mar-11.97742058)		 0.016688 TDB
period 363.0668046377851
0.99		 0.00015265
4.179e-07		 d
yr
n .9915530569068558 4.169e-07 deg/d
Q 1.037713788857898 2.9087e-07 au
   Orbit Determination Parameters
   # obs. used (total)      22  
   data-arc span      31 days  
   first obs. used      2018-08-07  
   last obs. used      2018-09-07  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      3  
   norm. resid. RMS      .4878  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Sep-11 07:40:04  

Additional Information
 Earth MOID = .014961 au 
 Jupiter MOID = 3.9244 au 
 T_jup = 6.096 
[ 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 27.5   .39828 E2018S67 autocmod 2.6n

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