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(2021 JU3)
Classification: Apollo [NEO]          SPK-ID: 54144299
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 4 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .3221293426221171 0.00015574  
a 1.127538912026432 0.00015489 au
q .7643255435145005 7.0613e-05 au
i 12.30957126074961 0.0055576 deg
node 52.75535434752419 1.5293e-05 deg
peri 271.5136468739124 0.0045415 deg
M 183.5220520387994 0.046065 deg
tp 2459414.879710056904
(2021-Jul-19.37971006)
0.011786 TDB
period 437.316370187243
1.20
0.090109
0.0002467
d
yr
n .8232026618300639 0.00016962 deg/d
Q 1.490752280538364 0.00020478 au
  Orbit Determination Parameters
   # obs. used (total)      45  
   data-arc span      5 days  
   first obs. used      2021-05-08  
   last obs. used      2021-05-13  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      6  
   norm. resid. RMS      .42645  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-May-14 05:52:57  

Additional Information
 Earth MOID = .00393838 au 
 Jupiter MOID = 3.85843 au 
 T_jup = 5.476 
[ 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 27.098   .33779 4 autocmod 2.9c

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