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(2018 XH1)
Classification: Apollo [NEO]          SPK-ID: 3836747
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458462.5 (2018-Dec-10.0) TDB
Reference: JPL 3 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .4460719299027225 0.00077455  
a 1.782898964824741 0.002507 au
q .9875977827638028 1.555e-05 au
i 4.789985519471884 0.0067422 deg
node 67.7774741591046 0.0031009 deg
peri 34.29048335438873 0.0074229 deg
M 351.1899511389885 0.019566 deg
tp 2458483.779643228956
(2018-Dec-31.27964323)
0.0039151 TDB
period 869.5379200819359
2.38
1.8341
0.005021
d
yr
n .4140129966569802 0.00087325 deg/d
Q 2.57820014688568 0.0036254 au
  Orbit Determination Parameters
   # obs. used (total)      42  
   data-arc span      2 days  
   first obs. used      2018-12-09  
   last obs. used      2018-12-11  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      8  
   norm. resid. RMS      .39059  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-15 20:55:51  

Additional Information
 Earth MOID = .0297907 au 
 Jupiter MOID = 2.60819 au 
 T_jup = 3.963 
[ 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 25.8   .43885 E2018Y96 autocmod 2.6q

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