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(2021 JY5)
Classification: Apollo [NEO]          SPK-ID: 54145087
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 6 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08640624420426878 2.3989e-05  
a 1.028631694164164 1.1333e-05 au
q .9397514928019643 1.4347e-05 au
i 2.274676861348142 0.00052152 deg
node 234.6409848809919 0.0002493 deg
peri 86.11202927576252 0.0030991 deg
M 141.8891605767126 0.008211 deg
tp 2459050.312081610199
(2020-Jul-19.81208161)
0.011173 TDB
period 381.0555394123762
1.04
0.0062972
1.724e-05
d
yr
n .9447441718211319 1.5613e-05 deg/d
Q 1.117511895526363 1.2312e-05 au
  Orbit Determination Parameters
   # obs. used (total)      57  
   data-arc span      8 days  
   first obs. used      2021-05-12  
   last obs. used      2021-05-20  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      5  
   norm. resid. RMS      .28538  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-May-21 05:50:01  

Additional Information
 Earth MOID = .00093633 au 
 Jupiter MOID = 3.97109 au 
 T_jup = 5.944 
[ 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 27.406   .29062 6 autocmod 2.9c

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