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JPL Small-Body Database Browser
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(2021 KL1)
Classification: Apollo [NEO]          SPK-ID: 54147132
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]

[ hide orbit diagram ]

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 2459354.5 (2021-May-20.0) TDB
Reference: JPL 1 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .4613658053860076 0.0017723  
a 1.653046989057121 0.0048132 au
q .8903876336098675 0.00033715 au
i 3.712212938252304 0.014296 deg
node 69.15082382212428 0.018566 deg
peri 224.4063435775306 0.019695 deg
M 340.1164524885152 0.10301 deg
tp 2459397.376329107654
(2021-Jul-01.87632911)
0.034881 TDB
period 776.2939922989005
2.13
3.3905
0.009283
d
yr
n .4637418343711557 0.0020254 deg/d
Q 2.415706344504374 0.0070338 au
  Orbit Determination Parameters
   # obs. used (total)      16  
   data-arc span      1 day  
   first obs. used      2021-05-19  
   last obs. used      2021-05-20  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      8  
   norm. resid. RMS      .37315  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-May-20 09:42:03  

Additional Information
 Earth MOID = .00821062 au 
 Jupiter MOID = 2.80735 au 
 T_jup = 4.146 
[ 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 27.42   .2217 MPO622913 autocmod 2.9c

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