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JPL Small-Body Database Browser
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(2018 JG1)
Classification: Apollo [NEO]          SPK-ID: 3824064
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 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .5563971459984867 8.0699e-06  
a 2.282927459554984 4.1796e-05 au
q 1.012713136537015 1.1819e-07 au
i 5.685702876042538 5.726e-05 deg
node 51.40751583539527 1.5681e-05 deg
peri 192.1457007112884 3.3643e-05 deg
M 323.9474178256755 0.0088898 deg
tp 2459522.674173734522
(2021-Nov-04.17417373)
0.034577 TDB
period 1259.901505107075
3.45
0.034599
9.473e-05
d
yr
n .2857366219031581 7.8469e-06 deg/d
Q 3.553141782572953 6.5051e-05 au
  Orbit Determination Parameters
   # obs. used (total)      91  
   data-arc span      95 days  
   first obs. used      2018-05-08  
   last obs. used      2018-08-11  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      4  
   norm. resid. RMS      .46347  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-15 20:28:35  

Additional Information
 Earth MOID = .00858295 au 
 Jupiter MOID = 1.48626 au 
 T_jup = 3.375 
[ 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 24.5   n/a E2018-MA2  

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