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(2021 JG2)
Classification: Apollo [NEO]          SPK-ID: 54144097
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 2459340.5 (2021-May-06.0) TDB
Reference: JPL 1 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .3802020793912901 0.0014048  
a 1.408083314661055 0.00258 au
q .8727271104707415 0.00037899 au
i 1.870709888823932 0.0059415 deg
node 135.6177894648659 0.08157 deg
peri 155.7857557310445 0.07973 deg
M 328.6150275095467 0.10833 deg
tp 2459393.705950592515
(2021-Jun-28.20595059)
0.037414 TDB
period 610.2966067321452
1.67
1.6774
0.004592
d
yr
n .5898771122579769 0.0016212 deg/d
Q 1.943439518851368 0.003561 au
  Orbit Determination Parameters
   # obs. used (total)      22  
   data-arc span      2 days  
   first obs. used      2021-05-05  
   last obs. used      2021-05-07  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      8  
   norm. resid. RMS      .40515  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-May-07 16:12:03  

Additional Information
 Earth MOID = .0186343 au 
 Jupiter MOID = 3.25272 au 
 T_jup = 4.657 
[ 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 26.43   .30716 1 autocmod 2.9c

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