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JPL Small-Body Database Browser
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(2018 JG2)
Classification: Apollo [NEO]          SPK-ID: 3824090
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 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .4651051700996156 9.0159e-05  
a 1.899988653091378 0.00032235 au
q 1.016294107407973 1.1228e-06 au
i 4.772518054297647 0.00072045 deg
node 212.3254412142984 0.00054107 deg
peri 42.95049651722172 0.00078959 deg
M 62.17461769818155 0.10661 deg
tp 2459231.290293138162
(2021-Jan-16.79029314)
0.24125 TDB
period 956.5880205163105
2.62
0.24344
0.0006665
d
yr
n .376337558362578 9.5773e-05 deg/d
Q 2.783683198774783 0.00047227 au
  Orbit Determination Parameters
   # obs. used (total)      83  
   data-arc span      72 days  
   first obs. used      2018-05-10  
   last obs. used      2018-07-21  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      6  
   norm. resid. RMS      .51013  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-15 20:28:41  

Additional Information
 Earth MOID = .0415429 au 
 Jupiter MOID = 2.28802 au 
 T_jup = 3.805 
[ 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 23.9   n/a E2018N20  

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