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277139 (2005 KN9)
Classification: Main-belt Asteroid          SPK-ID: 2277139
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1380622754705944 4.8512e-08  
a 2.614330406919149 2.2614e-08 au
q 2.253390002107926 1.2661e-07 au
i 14.19874541932114 5.3972e-06 deg
node 66.8329052195116 2.1583e-05 deg
peri 216.9059840080456 3.1059e-05 deg
M 263.31896618769 2.6936e-05 deg
tp 2459811.146422784155
(2022-Aug-19.64642278)
0.00011887 TDB
period 1543.970997373527
4.23
2.0033e-05
5.485e-08
d
yr
n .2331650015527505 3.0253e-09 deg/d
Q 2.975270811730372 2.5736e-08 au
  Orbit Determination Parameters
   # obs. used (total)      265  
   data-arc span      6697 days (18.34 yr)  
   first obs. used      2003-01-02  
   last obs. used      2021-05-04  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .52355  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jul-09 11:45:45  

Additional Information
 Earth MOID = 1.25248 au 
 Jupiter MOID = 2.16214 au 
 T_jup = 3.352 
[ 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 16.39   n/a MPCxxxxx  

277139 (2005 KN9)          Discovered 2005-May-28 by Broughton, J. at Reedy Creek
Reference: 20110517/Numbers.arcLast Updated: 2011-05-20

Alternate Designations
 2005 KN9 = 2006 TL127 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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