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JPL Small-Body Database Browser
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(2021 KK1)
Classification: Apollo [NEO]          SPK-ID: 54147130
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 2459353.5 (2021-May-19.0) TDB
Reference: JPL 1 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2224804200643899 0.0045369  
a 1.290335071040866 0.0073429 au
q 1.00326078241188 0.00014493 au
i 9.661791937409992 0.13891 deg
node 65.99229101894173 0.033469 deg
peri 191.1081014107993 0.004777 deg
M 348.9727486805789 0.10766 deg
tp 2459369.898984330464
(2021-Jun-04.39898433)
0.020397 TDB
period 535.3677165740883
1.47
4.5699
0.01251
d
yr
n .6724350177550918 0.0057399 deg/d
Q 1.577409359669853 0.0089766 au
  Orbit Determination Parameters
   # obs. used (total)      11  
   data-arc span      2 days  
   first obs. used      2021-05-18  
   last obs. used      2021-05-20  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      9  
   norm. resid. RMS      .63521  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-May-20 09:42:03  

Additional Information
 Earth MOID = .00627017 au 
 Jupiter MOID = 3.46323 au 
 T_jup = 4.990 
[ 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 25.17   .36096 MPO622913 autocmod 2.9c

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