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JPL Small-Body Database Browser
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(2021 KL)
Classification: Apollo [NEO]          SPK-ID: 54146670
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 2459349.5 (2021-May-15.0) TDB
Reference: JPL 1 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .541711879215457 0.0014931  
a 2.038000660723531 0.0063227 au
q .9339914929606441 0.00014542 au
i 8.196101210647555 0.016078 deg
node 60.68351203189917 0.00096927 deg
peri 222.2098319715856 0.002772 deg
M 346.2765060107436 0.069701 deg
tp 2459390.010453337625
(2021-Jun-24.51045334)
0.017234 TDB
period 1062.685873798763
2.91
4.9453
0.01354
d
yr
n .3387642659755275 0.0015765 deg/d
Q 3.142009828486419 0.0097477 au
  Orbit Determination Parameters
   # obs. used (total)      21  
   data-arc span      7 days  
   first obs. used      2021-05-12  
   last obs. used      2021-05-19  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      8  
   norm. resid. RMS      .51125  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-May-19 07:42:03  

Additional Information
 Earth MOID = .0073252 au 
 Jupiter MOID = 2.07099 au 
 T_jup = 3.595 
[ 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 27.36   .54148 MPO622910 autocmod 2.9c

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