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JPL Small-Body Database Browser
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(2012 KA)
Classification: Apollo [NEO]          SPK-ID: 3604179
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 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 7 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .4170655060259262 0.00029697  
a 1.522969023600441 0.00072824 au
q .8877911771107124 2.7829e-05 au
i 19.02046552400862 0.0095099 deg
node 56.84447799448584 1.0985e-05 deg
peri 234.6951382171455 0.0082459 deg
M 284.6763452086755 1.2345 deg
tp 2459540.136202829101
(2021-Nov-21.63620283)
2.457 TDB
period 686.4912909726718
1.88
0.49239
0.001348
d
yr
n .5244057786806374 0.00037613 deg/d
Q 2.15814687009017 0.001032 au
  Orbit Determination Parameters
   # obs. used (total)      22  
   data-arc span      1 day  
   first obs. used      2012-05-16  
   last obs. used      2012-05-17  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      7  
   norm. resid. RMS      .87835  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-15 06:25:49  

Additional Information
 Earth MOID = .00197564 au 
 Jupiter MOID = 3.1236 au 
 T_jup = 4.346 
[ 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 28.6   n/a MPO231379  

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