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410813 (2009 KN23)
Classification: Main-belt Asteroid          SPK-ID: 2410813
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09263379625027086 5.8007e-08  
a 2.487259872474107 2.2507e-08 au
q 2.256855548225865 1.5125e-07 au
i 7.397919996625221 6.6498e-06 deg
node 114.8871579615788 4.1986e-05 deg
peri 27.95980034777398 5.3615e-05 deg
M 13.04726220160675 3.1544e-05 deg
tp 2458948.572542218631
(2020-Apr-09.07254222)
0.00012561 TDB
period 1432.782181612844
3.92
1.9448e-05
5.325e-08
d
yr
n .2512594060841528 3.4104e-09 deg/d
Q 2.717664196722347 2.4592e-08 au
  Orbit Determination Parameters
   # obs. used (total)      222  
   data-arc span      5964 days (16.33 yr)  
   first obs. used      2003-11-23  
   last obs. used      2020-03-22  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .58118  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 13:49:08  

Additional Information
 Earth MOID = 1.27289 au 
 Jupiter MOID = 2.30052 au 
 T_jup = 3.457 
[ 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 16.9   n/a MPO413449  

410813 (2009 KN23)          Discovered 2009-May-27 by Spacewatch at Kitt Peak
Reference: Last Updated: 2014-10-09

Alternate Designations
 2009 KN23 = 2005 HE7 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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