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(2021 JR3)
Classification: Apollo [NEO]          SPK-ID: 54144296
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 5 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .6894974483227129 0.00050609  
a 2.392944262254205 0.0035121 au
q .7430152994514542 0.00012053 au
i .9568406048795878 0.00059225 deg
node 223.8026003417569 0.0003251 deg
peri 76.52680394008735 0.000762 deg
M 309.6158675924658 0.11397 deg
tp 2459389.729388123225
(2021-Jun-24.22938812)
0.011451 TDB
period 1352.064161259117
3.70
2.9766
0.008149
d
yr
n .2662595535886019 0.00058618 deg/d
Q 4.042873225056957 0.0059337 au
  Orbit Determination Parameters
   # obs. used (total)      115  
   data-arc span      10 days  
   first obs. used      2021-05-01  
   last obs. used      2021-05-11  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      7  
   norm. resid. RMS      .21731  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-May-13 05:57:07  

Additional Information
 Earth MOID = .00200084 au 
 Jupiter MOID = 1.23021 au 
 T_jup = 3.157 
[ 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 24.93   .22878 5 autocmod 2.9c

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