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(2018 HT3)
Classification: Apollo [NEO]          SPK-ID: 3824112
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 3 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .8231524203231537 5.3529e-05  
a 2.979582120378988 0.00044684 au
q .5269318864374296 0.00020042 au
i 29.60164242308684 0.025493 deg
node 284.0642736413657 0.0098662 deg
peri 215.639279842024 0.0097725 deg
M 161.5247677145733 0.039228 deg
tp 2458157.615455366660
(2018-Feb-08.11545537)
0.0211 TDB
period 1878.587664055344
5.14
0.42259
0.001157
d
yr
n .1916333248046891 4.3108e-05 deg/d
Q 5.432232354320546 0.00081465 au
  Orbit Determination Parameters
   # obs. used (total)      25  
   data-arc span      47 days  
   first obs. used      2018-04-22  
   last obs. used      2018-06-08  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      6  
   norm. resid. RMS      .32337  
   source      ORB  
   producer      Otto Matic  
   solution date      2018-Jun-09 06:29:22  

Additional Information
 Earth MOID = .337599 au 
 Jupiter MOID = .990506 au 
 T_jup = 2.494 
[ 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 18.3   n/a E2018L39  

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