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JPL Small-Body Database Browser
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(2019 KM)
Classification: Apollo [NEO]          SPK-ID: 3841969
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 .4944435738983485 0.00027303  
a 1.785501653381361 0.0008838 au
q .9026718346820708 4.0693e-05 au
i 1.328180625014482 0.00062726 deg
node 162.8552595648019 0.0088222 deg
peri 32.04714836800883 0.0088977 deg
M 332.9438157108615 0.24906 deg
tp 2459461.994202691982
(2021-Sep-04.49420269)
0.65153 TDB
period 871.4426512307083
2.39
0.64703
0.001771
d
yr
n .4131080794491576 0.00030672 deg/d
Q 2.668331472080652 0.0013208 au
  Orbit Determination Parameters
   # obs. used (total)      72  
   data-arc span      5 days  
   first obs. used      2019-05-24  
   last obs. used      2019-05-29  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      7  
   norm. resid. RMS      .36406  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-15 21:20:12  

Additional Information
 Earth MOID = .00410771 au 
 Jupiter MOID = 2.28477 au 
 T_jup = 3.932 
[ 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 24.3   .49104 MPO473657 autocmod 2.6q

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