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JPL Small-Body Database Browser
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(2021 KN1)
Classification: Apollo [NEO]          SPK-ID: 54147135
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 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 6 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .6050519780745014 0.00013635  
a 2.2565235258371 0.00073364 au
q .8912095029577144 1.7933e-05 au
i 6.573124559927562 0.00095452 deg
node 79.72967817254791 0.00038525 deg
peri 219.7812572640847 0.00022274 deg
M 358.1107642129298 0.0014842 deg
tp 2459402.997434173850
(2021-Jul-07.49743417)
0.0019357 TDB
period 1238.107132309454
3.39
0.6038
0.001653
d
yr
n .2907664374152245 0.0001418 deg/d
Q 3.621837548716486 0.0011775 au
  Orbit Determination Parameters
   # obs. used (total)      92  
   data-arc span      25 days  
   first obs. used      2021-05-08  
   last obs. used      2021-06-02  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      6  
   norm. resid. RMS      .44922  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jun-03 05:50:26  

Additional Information
 Earth MOID = .0141845 au 
 Jupiter MOID = 1.66128 au 
 T_jup = 3.348 
[ 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 24.49   .40904 E2021N14 autocmod 2.9c

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