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JPL Small-Body Database Browser
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(2018 WT1)
Classification: Apollo [NEO]          SPK-ID: 3836311
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 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 5 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .5050010440891203 0.00036112  
a 1.894885600610683 0.0013198 au
q .9379663938728482 3.0988e-05 au
i 4.396557775165631 0.0024345 deg
node 251.7553779638232 0.00014487 deg
peri 138.4784689486752 0.0026709 deg
M 7.793814899314718 0.3849 deg
tp 2459375.873739106939
(2021-Jun-10.37373911)
0.9971 TDB
period 952.7367556746836
2.61
0.99538
0.002725
d
yr
n .3778588344112586 0.00039477 deg/d
Q 2.851804807348517 0.0019863 au
  Orbit Determination Parameters
   # obs. used (total)      95  
   data-arc span      5 days  
   first obs. used      2018-11-28  
   last obs. used      2018-12-03  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      7  
   norm. resid. RMS      .41036  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-15 20:55:21  

Additional Information
 Earth MOID = .0122402 au 
 Jupiter MOID = 2.61278 au 
 T_jup = 3.785 
[ 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 25.5   .41146 E2018X48 autocmod 2.6q

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