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(2021 JB)
Classification: Aten [NEO]          SPK-ID: 54142828
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 .2873117541704132 0.0002632  
a .9318637164287686 4.3958e-06 au
q .6641283174138587 0.00024815 au
i 6.629576966171416 0.0081293 deg
node 42.94649358189066 0.00036469 deg
peri 52.21164235930245 0.00081741 deg
M 307.4227066006878 0.030489 deg
tp 2459248.486906608776
(2021-Feb-02.98690661)
0.027516 TDB
period 328.5693359670962
0.90
0.0023249
6.365e-06
d
yr
n 1.095659151942442 7.7528e-06 deg/d
Q 1.199599115443678 5.6588e-06 au
  Orbit Determination Parameters
   # obs. used (total)      38  
   data-arc span      7 days  
   first obs. used      2021-05-01  
   last obs. used      2021-05-08  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      4  
   norm. resid. RMS      .36685  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-May-08 05:50:49  

Additional Information
 Earth MOID = .011039 au 
 Jupiter MOID = 3.95489 au 
 T_jup = 6.389 
[ 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 26.65   .36163 E2021J33 autocmod 2.9c

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