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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 ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .007859390209849298 5.7099e-08  
a 3.227858438550654 7.7435e-08 au
q 3.20248943953993 2.1323e-07 au
i 31.10375743945763 1.445e-05 deg
node 224.7201923935857 1.2486e-05 deg
peri 270.791823908721 0.0010532 deg
M 65.27924489851064 0.0010532 deg
tp 2458616.401361042248
(2019-May-12.90136104)
0.0062016 TDB
period 2118.21552531386
5.80
7.6223e-05
2.087e-07
d
yr
n .1699543770205622 6.1157e-09 deg/d
Q 3.253227437561379 7.8044e-08 au
  Orbit Determination Parameters
   # obs. used (total)      129  
   data-arc span      6235 days (17.07 yr)  
   first obs. used      2003-05-01  
   last obs. used      2020-05-26  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57144  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 08:52:19  

Additional Information
 Earth MOID = 2.21827 au 
 Jupiter MOID = 1.76237 au 
 T_jup = 2.961 
[ 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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