Skip Page Navigation
NASA JPL Caltech
NASA Logo - Jet Propulsion Laboratory + View the NASA Portal
+ Center for Near-Earth Object Studies
JPL Home Earth Solar System Stars & Galaxies Technology
JPL Solar System Dynamics
BODIES ORBITS EPHEMERIDES TOOLS PHYSICAL DATA DISCOVERY FAQ SITE MAP
JPL Small-Body Database Browser
Search: [ help ]  
359326 (2009 KN20)
Classification: Main-belt Asteroid          SPK-ID: 2359326
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
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 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457294.5 (2015-Sep-29.0) TDB
Reference: JPL 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08692281684761814 4.6851e-08  
q 2.437586442905763 1.3525e-07 au
tp 2457662.261715361918
(2016-Sep-30.76171536)
0.0001669 TDB
node 83.82400806295371 4.5061e-05 deg
peri 37.44776370775264 5.8902e-05 deg
i 7.663875445827176 5.4232e-06 deg
  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
 Jupiter MOID = 2.18113 au 
 T_jup = 3.364 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.195016562551757E-15 -6.239240818829126E-15 3.281334021789685E-13 -1.623610223340088E-14 1.621118613978123E-13 -3.420211154770725E-17
q -6.239240818829126E-15 1.829299330704706E-14 -1.942000518935681E-13 4.413855691611508E-14 -3.316006959329782E-13 1.465317348711725E-15
tp 3.281334021789685E-13 -1.942000518935681E-13 2.785635864577609E-8 6.919975583960791E-12 6.363904959544248E-9 -1.468391928298951E-12
node -1.623610223340088E-14 4.413855691611508E-14 6.919975583960791E-12 2.030490685940294E-9 -2.010731312062905E-9 -6.023755494146944E-11
peri 1.621118613978123E-13 -3.316006959329782E-13 6.363904959544248E-9 -2.010731312062905E-9 3.469422129745875E-9 5.92203044518354E-11
i -3.420211154770725E-17 1.465317348711725E-15 -1.468391928298951E-12 -6.023755494146944E-11 5.92203044518354E-11 2.941078504386568E-11

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 ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2021-Jan-17 07:34 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin