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410808 (2009 KA7)
Classification: Main-belt Asteroid          SPK-ID: 2410808
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

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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.


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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2305273930632973 8.9466e-08  
a 2.598726714295959 4.4511e-08 au
q 1.999649019565364 2.539e-07 au
i 18.3891819914128 7.2177e-06 deg
node 126.4198583613113 2.0263e-05 deg
peri 83.45523225216721 2.8256e-05 deg
M 242.8700998740463 2.5783e-05 deg
tp 2459498.356997263209
(2021-Oct-10.85699726)
0.00012008 TDB
period 1530.16880251776
4.19
3.9313e-05
1.076e-07
d
yr
n .2352681608771865 6.0445e-09 deg/d
Q 3.197804409026555 5.4772e-08 au
  Orbit Determination Parameters
   # obs. used (total)      242  
   data-arc span      6712 days (18.38 yr)  
   first obs. used      2001-07-13  
   last obs. used      2019-11-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57048  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-05 01:13:03  

Additional Information
 Earth MOID = 1.0917 au 
 Jupiter MOID = 2.0889 au 
 T_jup = 3.307 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 16.5   n/a MPO503517  

410808 (2009 KA7)          Discovered 2009-Feb-13 by Mt. Lemmon Survey at Mount Lemmon
Reference: Last Updated: 2014-10-09
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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