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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 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08870124027626851 4.6737e-08  
a 2.669039424611821 2.7305e-08 au
q 2.432292317302494 1.3511e-07 au
i 7.669870167248081 5.4282e-06 deg
node 83.77059293276986 4.4995e-05 deg
peri 37.28967271168485 5.835e-05 deg
M 302.6181166034647 3.7966e-05 deg
tp 2459254.365221267134
(2021-Feb-08.86522127)		 0.00016914 TDB
period 1592.688741577389
4.36		 2.444e-05
6.691e-08		 d
yr
n .2260328654319853 3.4685e-09 deg/d
Q 2.905786531921148 2.9727e-08 au
   Orbit Determination Parameters
   # obs. used (total)      207  
   data-arc span      6085 days (16.66 yr)  
   first obs. used      2004-03-15  
   last obs. used      2020-11-11  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55949  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Dec-18 06:27:12  

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

[ hide close-approach data ]
Close-Approach Data   ...sorted by Date/Time (TDB)
Date/Time (TDB) Time Uncertainty
(days_HH:MM)		 Body Nominal Distance (au) Minimum Distance (au) Maximum Distance (au) V-relative (km/s) V-infinity (km/s) JD (TDB) Time Uncertainty (minutes) Semi-major axis (km) Semi-minor axis (km) range-LOV angle (deg) N-sigma BP Orbit Ref. Reference Modified
2155-Aug-15 04:58 00:05 Psych 0.0336394791376096 0.0335746570819727 0.0337043715450509 3.56909075860297 3.56909065782947 2508383.706654943 4.76256979029465 4038.11153154637 88.1613389778176 -36.8892575810014 34239.0675742323 T 16 CATAB v2.0f-lin.ifort 2020-Dec-18 06:27:12 2020-Dec-18 06:27

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