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(2018 PD22)
Classification: Aten [NEO]          SPK-ID: 3826804
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 2458344.5 (2018-Aug-14.0) TDB
Reference: JPL 1 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .542356045588082 0.0059522  
a .7943665456769879 0.0009885 au
q .3635370472161522 0.0051697 au
i 3.986759043125628 0.082922 deg
node 123.0647465448693 0.18647 deg
peri 359.2267774816805 0.097957 deg
M 232.619863123486 0.44524 deg
tp 2458436.001677490224
(2018-Nov-13.50167749)
0.47424 TDB
period 258.6007889786947
0.71
0.4827
0.001322
d
yr
n 1.392107121644008 0.0025985 deg/d
Q 1.225196044137824 0.0015246 au
  Orbit Determination Parameters
   # obs. used (total)      10  
   data-arc span      2 days  
   first obs. used      2018-08-13  
   last obs. used      2018-08-15  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      8  
   norm. resid. RMS      .30334  
   source      ORB  
   producer      Otto Matic  
   solution date      2018-Aug-15 12:42:03  

Additional Information
 Earth MOID = .0392838 au 
 Jupiter MOID = 3.85997 au 
 T_jup = 7.205 
[ 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 24.0   .10457 MPO452059 autocmod 2.6n

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