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JPL Small-Body Database Browser
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441815 (2009 KU23)
Classification: Outer Main-belt Asteroid          SPK-ID: 2441815
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .008245461132204458 6.696e-08  
a 3.229038439784408 8.7118e-08 au
q 3.202413528834771 2.6278e-07 au
i 31.10178772702445 1.6528e-05 deg
node 224.7272769090748 1.4129e-05 deg
peri 271.4119972366458 0.0013379 deg
M 356.6754336695047 0.0013439 deg
tp 2458620.072249842594
(2019-May-16.57224984)
0.0079115 TDB
period 2119.377158669608
5.80
8.577e-05
2.348e-07
d
yr
n .1698612248071891 6.8742e-09 deg/d
Q 3.255663350734045 8.7836e-08 au
  Orbit Determination Parameters
   # obs. used (total)      117  
   data-arc span      5393 days (14.77 yr)  
   first obs. used      2003-05-01  
   last obs. used      2018-02-04  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .60052  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-14 14:22:23  

Additional Information
 Earth MOID = 2.2192 au 
 Jupiter MOID = 1.76127 au 
 T_jup = 2.960 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 15.4   n/a MPO437717  

441815 (2009 KU23)          Discovered 2009-Apr-30 by Spacewatch at Kitt Peak
Reference: Last Updated: 2015-09-02

[ show close-approach data ]
Alternate Designations
 2009 KU23 = 2015 MH55 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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