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212277 (2005 KN5)
Classification: Main-belt Asteroid          SPK-ID: 2212277
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 10 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09206637268737933 5.9044e-08  
a 2.692611852849947 2.0843e-08 au
q 2.444712846503009 1.594e-07 au
i 5.648098786674376 6.7482e-06 deg
node 45.40018400877526 5.2093e-05 deg
peri 136.5563741667758 6.0636e-05 deg
M 186.9658605290562 3.3423e-05 deg
tp 2459776.190287093645
(2022-Jul-15.69028709)		 0.00015362 TDB
period 1613.834727687388
4.42		 1.8739e-05
5.13e-08		 d
yr
n .2230711694473679 2.5902e-09 deg/d
Q 2.940510859196885 2.2762e-08 au
   Orbit Determination Parameters
   # obs. used (total)      164  
   data-arc span      6647 days (18.20 yr)  
   first obs. used      2002-09-05  
   last obs. used      2020-11-16  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .62211  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Dec-17 23:49:11  

Additional Information
 Earth MOID = 1.45022 au 
 Jupiter MOID = 2.0215 au 
 T_jup = 3.358 
[ 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 16.9   n/a MPO440125  

212277 (2005 KN5)          Discovered 2005-May-16 by Spacewatch at Kitt Peak
Reference: 20090409/Numbers.arcLast Updated: 2009-04-10
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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