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(2018 JA1)
Classification: Apollo [NEO]          SPK-ID: 3823896
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 9 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2485061331908617 8.8267e-05  
a 1.324925169955463 0.00014994 au
q .9956731392025855 4.2678e-06 au
i 6.371861140892058 0.0018191 deg
node 228.2641912666105 9.9997e-05 deg
peri 31.73234825169114 0.00016271 deg
M 236.6843702000253 0.10079 deg
tp 2459391.309976160193
(2021-Jun-25.80997616)
0.18835 TDB
period 557.0388078874611
1.53
0.094562
0.0002589
d
yr
n .6462745412034758 0.00010971 deg/d
Q 1.65417720070834 0.00018721 au
  Orbit Determination Parameters
   # obs. used (total)      106  
   data-arc span      8 days  
   first obs. used      2018-05-08  
   last obs. used      2018-05-16  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      6  
   norm. resid. RMS      .45627  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-15 20:28:35  

Additional Information
 Earth MOID = .0105957 au 
 Jupiter MOID = 3.40056 au 
 T_jup = 4.899 
[ 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 25.7   n/a MPO448887  

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