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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 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 5 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .0430997865586473 5.6551e-06  
a .9948359084490983 7.9903e-08 au
q .9519586931340641 5.5539e-06 au
i 4.36210292064114 0.001347 deg
node 315.2392767199727 0.0024307 deg
peri 213.2179928659797 0.013068 deg
M 279.5554168977299 0.016675 deg
tp 2459281.487857574897
(2021-Mar-07.98785758)		 0.016797 TDB
period 362.4312241123454
0.99		 4.3664e-05
1.195e-07		 d
yr
n .993291902157989 1.1967e-07 deg/d
Q 1.037713123764132 8.3346e-08 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 = .0132557 au 
 Jupiter MOID = 3.92385 au 
 T_jup = 6.102 
[ hide covariance matrix ]
Orbital Elements at Epoch 2458351.5 (2018-Aug-21.0) TDB
Reference: JPL 5 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .03898871339321588 8.7367e-06  
q .9569491190725175 8.0522e-06 au
tp 2458203.571653657194
(2018-Mar-26.07165366)		 0.0096524 TDB
node 317.7050533551172 0.00024186 deg
peri 221.2409083360232 0.0084669 deg
i 4.44641055508742 0.0012939 deg
   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
 Jupiter MOID = 3.92385 au 
 T_jup = 6.102 
Orbit Covariance (6×6)
  e q tp node peri i
e 7.633003985726907E-11 -7.03456686630793E-11 8.431807220011769E-8 2.112512940384771E-9 7.395813440888646E-8 1.130437417207158E-8
q -7.03456686630793E-11 6.483759200650708E-11 -7.769403780553255E-8 -1.946738674587272E-9 -6.814584487356149E-8 -1.041732700066278E-8
tp 8.431807220011769E-8 -7.769403780553255E-8 9.316932674163545E-5 2.333929004975602E-6 8.172589638806032E-5 1.248876152251805E-5
node 2.112512940384771E-9 -1.946738674587272E-9 2.333929004975602E-6 5.84959332850477E-8 2.047186303852375E-6 3.128823243565078E-7
peri 7.395813440888646E-8 -6.814584487356149E-8 8.172589638806032E-5 2.047186303852375E-6 7.168865803439644E-5 1.095452273663274E-5
i 1.130437417207158E-8 -1.041732700066278E-8 1.248876152251805E-5 3.128823243565078E-7 1.095452273663274E-5 1.674258789698375E-6

[ 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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