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312593 (2009 KN2)
Classification: Main-belt Asteroid          SPK-ID: 2312593
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1628844003921357 5.5839e-08  
a 2.65658078472869 2.4382e-08 au
q 2.223865216514888 1.4896e-07 au
i 13.79047338878505 5.9577e-06 deg
node 115.1829217381579 2.2439e-05 deg
peri 179.2746653718087 2.8093e-05 deg
M 156.3691297124063 1.6881e-05 deg
tp 2458313.539943334085
(2018-Jul-14.03994333)
7.1474e-05 TDB
period 1581.550149026048
4.33
2.1773e-05
5.961e-08
d
yr
n .2276247770086175 3.1337e-09 deg/d
Q 3.089296352942493 2.8354e-08 au
  Orbit Determination Parameters
   # obs. used (total)      189  
   data-arc span      6699 days (18.34 yr)  
   first obs. used      2001-08-25  
   last obs. used      2019-12-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .45597  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-11 18:46:49  

Additional Information
 Earth MOID = 1.20784 au 
 Jupiter MOID = 2.12563 au 
 T_jup = 3.328 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 16.4   n/a MPO450244  

312593 (2009 KN2)          Discovered 2009-May-18 by Bickel, W. at Bergisch Gladbach
Reference: 20120109/Numbers.arcLast Updated: 2012-01-11
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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