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JPL Small-Body Database Browser
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(2021 KA)
Classification: Amor [NEO]          SPK-ID: 54145779
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 5 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .3081146505233953 0.00020383  
a 1.472200426210114 0.00043942 au
q 1.018593906387991 3.9439e-06 au
i 4.934377149708739 0.0023488 deg
node 62.71216525159941 0.00046248 deg
peri 172.1529197900352 0.00059767 deg
M 25.34802099619948 0.011947 deg
tp 2459350.560063244165
(2021-May-16.06006324)
0.0010991 TDB
period 652.4524038614433
1.79
0.29211
0.0007998
d
yr
n .5517643859833961 0.00024703 deg/d
Q 1.925806946032236 0.00057481 au
  Orbit Determination Parameters
   # obs. used (total)      36  
   data-arc span      5 days  
   first obs. used      2021-05-15  
   last obs. used      2021-05-20  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      7  
   norm. resid. RMS      .67653  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-May-31 06:00:28  

Additional Information
 Earth MOID = .00826585 au 
 Jupiter MOID = 3.07232 au 
 T_jup = 4.543 
[ 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 27.72   .41467 MPO622908 autocmod 2.9c

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