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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 ]

[ show orbit diagram ]
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 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457785.5 (2017-Feb-01.0) TDB
Reference: JPL 10 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .0907798779337472 5.9563e-08  
q 2.449054712077294 1.6063e-07 au
tp 2458164.532223085251
(2018-Feb-15.03222309)
0.00014719 TDB
node 45.43013769309297 5.2032e-05 deg
peri 137.1711998845227 6.0654e-05 deg
i 5.651330136095704 6.7512e-06 deg
  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
 Jupiter MOID = 2.0215 au 
 T_jup = 3.358 
Orbit Covariance (6×6)
  e q tp node peri i
e 3.547766395484566E-15 -9.500925721393303E-15 2.662500427528953E-12 2.701045290844451E-15 5.549022008046982E-13 5.009297541812054E-16
q -9.500925721393303E-15 2.580242209638574E-14 -6.242552038613599E-12 -7.428221553536427E-15 -1.317461401933007E-12 -1.369423432031534E-15
tp 2.662500427528953E-12 -6.242552038613599E-12 2.166427441460976E-8 3.904286918203634E-11 4.608674102035062E-9 -5.600140429286917E-12
node 2.701045290844451E-15 -7.428221553536427E-15 3.904286918203634E-11 2.70732073662619E-9 -2.685466347614373E-9 -5.89483869618089E-11
peri 5.549022008046982E-13 -1.317461401933007E-12 4.608674102035062E-9 -2.685466347614373E-9 3.678897962423041E-9 5.754017814494519E-11
i 5.009297541812054E-16 -1.369423432031534E-15 -5.600140429286917E-12 -5.89483869618089E-11 5.754017814494519E-11 4.55782870151482E-11

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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