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(2021 JF1)
Classification: Apollo [NEO]          SPK-ID: 54143423
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 2459344.5 (2021-May-10.0) TDB
Reference: JPL 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .3345380485041599 0.00083155  
a 1.072980674492184 0.0010933 au
q .7140278135648914 0.0001647 au
i 28.01809399302094 0.062964 deg
node 66.74993617763725 0.0031291 deg
peri 274.2425654202322 0.090994 deg
M 286.6698973738561 0.19942 deg
tp 2459427.192489884187
(2021-Jul-31.69248988)
0.098492 TDB
period 405.9628350730532
1.11
0.62048
0.001699
d
yr
n .8867806826090814 0.0013554 deg/d
Q 1.431933535419476 0.001459 au
  Orbit Determination Parameters
   # obs. used (total)      86  
   data-arc span      19 days  
   first obs. used      2021-05-03  
   last obs. used      2021-05-22  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      8  
   norm. resid. RMS      .33101  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-May-23 05:50:45  

Additional Information
 Earth MOID = .0292641 au 
 Jupiter MOID = 4.06077 au 
 T_jup = 5.605 
[ 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 22.268   .34495 12 autocmod 2.9c

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