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(2021 JN3)
Classification: Apollo [NEO]          SPK-ID: 54144292
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 .6191653041180415 0.00057024  
a 2.438170600907954 0.0035031 au
q .9285399593051129 5.6231e-05 au
i 2.500806675610489 0.0016689 deg
node 223.8976647205199 0.0010906 deg
peri 45.41050964432378 0.0031525 deg
M 314.6524470620856 0.098954 deg
tp 2459375.664429125367
(2021-Jun-10.16442913)
0.0047216 TDB
period 1390.575464379898
3.81
2.9969
0.008205
d
yr
n .2588856262903614 0.00055794 deg/d
Q 3.947801242510796 0.0056721 au
  Orbit Determination Parameters
   # obs. used (total)      45  
   data-arc span      3 days  
   first obs. used      2021-05-09  
   last obs. used      2021-05-12  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      7  
   norm. resid. RMS      .335  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-May-12 05:52:58  

Additional Information
 Earth MOID = .00539413 au 
 Jupiter MOID = 1.18822 au 
 T_jup = 3.208 
[ 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 26.622   .37771 4 autocmod 2.9c

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