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359326 (2009 KN20)
Classification: Main-belt Asteroid          SPK-ID: 2359326
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 .08870124069262565 4.6773e-08  
a 2.66903942355209 2.7667e-08 au
q 2.432292315225489 1.3541e-07 au
i 7.669870402886766 5.4348e-06 deg
node 83.77058841443954 4.5283e-05 deg
peri 37.28967607522411 5.8743e-05 deg
M 302.6181180207781 3.8415e-05 deg
tp 2459254.365214845553
(2021-Feb-08.86521485)
0.00017121 TDB
period 1592.688740628833
4.36
2.4764e-05
6.78e-08
d
yr
n .2260328655666035 3.5145e-09 deg/d
Q 2.905786531878691 3.0121e-08 au
  Orbit Determination Parameters
   # obs. used (total)      203  
   data-arc span      6066 days (16.61 yr)  
   first obs. used      2004-03-15  
   last obs. used      2020-10-23  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53765  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-11 16:22:25  

Additional Information
 Earth MOID = 1.45346 au 
 Jupiter MOID = 2.18113 au 
 T_jup = 3.364 
[ 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 16.6   n/a MPO494868  

359326 (2009 KN20)          Discovered 2009-May-29 by Mt. Lemmon Survey at Mount Lemmon
Reference: 20130327/Numbers.arcLast Updated: 2013-03-29

[ show close-approach data ]
Alternate Designations
 2009 KN20 = 2004 EK112 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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