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(2021 KF2)
Classification: Aten [NEO]          SPK-ID: 54147685
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 1 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .3359820602093967 0.0029417  
a .881674357015755 4.714e-05 au
q .5854475901118065 0.0025737 au
i 11.93471020000432 0.13312 deg
node 262.2613478393109 0.016523 deg
peri 122.2598932263028 0.062756 deg
M 62.30662381452797 0.45932 deg
tp 2459148.164972138843
(2020-Oct-25.66497214)
0.38864 TDB
period 302.3853464777739
0.83
0.024251
6.64e-05
d
yr
n 1.190533880670243 9.548e-05 deg/d
Q 1.177901123919703 6.2978e-05 au
  Orbit Determination Parameters
   # obs. used (total)      18  
   data-arc span      4 days  
   first obs. used      2021-05-19  
   last obs. used      2021-05-23  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      6  
   norm. resid. RMS      .52738  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-May-23 13:12:02  

Additional Information
 Earth MOID = .0337061 au 
 Jupiter MOID = 4.28282 au 
 T_jup = 6.660 
[ 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 22.889   .34481 1 autocmod 2.9c

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