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(2018 PO22)
Classification: Apollo [NEO]          SPK-ID: 3826814
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.


Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 5 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .4484858034662628 0.00010043  
a 1.795389048440587 0.00032145 au
q .9901825485161816 3.0345e-06 au
i 13.77784880839842 0.0019445 deg
node 142.872695511511 0.00021637 deg
peri 155.7539999066991 0.00027129 deg
M 357.6668877491505 0.096585 deg
tp 2459206.194681218508
(2020-Dec-22.69468122)
0.23727 TDB
period 878.6912150996936
2.41
0.23598
0.0006461
d
yr
n .4097002380513791 0.00011003 deg/d
Q 2.600595548364993 0.00046561 au
  Orbit Determination Parameters
   # obs. used (total)      43  
   data-arc span      52 days  
   first obs. used      2018-08-14  
   last obs. used      2018-10-05  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      6  
   norm. resid. RMS      .50952  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-15 20:35:35  

Additional Information
 Earth MOID = .00331921 au 
 Jupiter MOID = 2.68523 au 
 T_jup = 3.918 
[ 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 23.0   .37636 MPO452061 autocmod 2.6n

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