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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 6 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .04309978669124576 5.6551e-06  
a .9948359084733992 7.9917e-08 au
q .9519586930254039 5.5539e-06 au
i 4.362102969676282 0.001347 deg
node 315.2392769215912 0.0024307 deg
peri 213.21799288 0.013068 deg
M 279.5554164733359 0.016675 deg
tp 2459281.487858005125
(2021-Mar-07.98785800)
0.016797 TDB
period 362.4312241256251
0.99
4.3672e-05
1.196e-07
d
yr
n .9932919021215944 1.1969e-07 deg/d
Q 1.037713123921394 8.3361e-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.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      3  
   norm. resid. RMS      .4878  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-15 20:35:35  

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 6 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .03898871345419895 8.7367e-06  
q .9569491191379008 8.0522e-06 au
tp 2458203.571653932960
(2018-Mar-26.07165393)
0.0096524 TDB
node 317.7050535088969 0.00024186 deg
peri 221.2409084015 0.0084669 deg
i 4.44641060431721 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.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      3  
   norm. resid. RMS      .4878  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-15 20:35:35  

Additional Information
 Jupiter MOID = 3.92385 au 
 T_jup = 6.102 
Orbit Covariance (6×6)
  e q tp node peri i
e 7.633008583249203E-11 -7.034571060475478E-11 8.431812278297508E-8 2.112513658318823E-9 7.395817937747848E-8 1.13043810199296E-8
q -7.034571060475478E-11 6.483763026468595E-11 -7.769408394842294E-8 -1.946739324395404E-9 -6.814588590053181E-8 -1.04173332480863E-8
tp 8.431812278297508E-8 -7.769408394842294E-8 9.31693823933994E-5 2.33392979233963E-6 8.17259458657593E-5 1.248876905686077E-5
node 2.112513658318823E-9 -1.946739324395404E-9 2.33392979233963E-6 5.849593780657119E-8 2.047187011091524E-6 3.128824317561832E-7
peri 7.395817937747848E-8 -6.814588590053181E-8 8.17259458657593E-5 2.047187011091524E-6 7.168870201510575E-5 1.095452943422435E-5
i 1.13043810199296E-8 -1.04173332480863E-8 1.248876905686077E-5 3.128824317561832E-7 1.095452943422435E-5 1.674259809632543E-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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