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(2021 JX2)
Classification: Apollo [NEO]          SPK-ID: 54144235
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 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 8 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1405147674466873 5.4168e-05  
a 1.180196365747498 7.3504e-05 au
q 1.014361347873062 7.5557e-07 au
i 3.417555467746605 0.0010135 deg
node 55.05230944608817 0.00037803 deg
peri 206.3712811204846 0.0011603 deg
M 224.0827194028003 0.012318 deg
tp 2459377.308040975643
(2021-Jun-11.80804098)
0.00049792 TDB
period 468.306123191688
1.28
0.04375
0.0001198
d
yr
n .7687279370734259 7.1816e-05 deg/d
Q 1.346031383621933 8.3833e-05 au
  Orbit Determination Parameters
   # obs. used (total)      43  
   data-arc span      22 days  
   first obs. used      2021-05-08  
   last obs. used      2021-05-30  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      6  
   norm. resid. RMS      .43412  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-May-31 06:00:25  

Additional Information
 Earth MOID = .01056 au 
 Jupiter MOID = 3.68093 au 
 T_jup = 5.350 
[ 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 26.9   .39132 8 autocmod 2.9c

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