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305996 (2009 KB14)
Classification: Main-belt Asteroid          SPK-ID: 2305996
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 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1202362607932824 7.7828e-08  
a 3.12661953120823 4.5804e-08 au
q 2.750686489852507 2.5814e-07 au
i 10.22589427715654 8.8905e-06 deg
node 64.88256487980856 3.643e-05 deg
peri 290.9623216742197 4.9403e-05 deg
M 247.4217652839893 3.6971e-05 deg
tp 2459631.984820087454
(2022-Feb-21.48482009)
0.00021228 TDB
period 2019.347130508453
5.53
4.4374e-05
1.215e-07
d
yr
n .1782754408893311 3.9175e-09 deg/d
Q 3.502552572563952 5.1312e-08 au
  Orbit Determination Parameters
   # obs. used (total)      207  
   data-arc span      6228 days (17.05 yr)  
   first obs. used      2003-04-09  
   last obs. used      2020-04-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .61717  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-21 20:02:16  

Additional Information
 Earth MOID = 1.76841 au 
 Jupiter MOID = 2.04539 au 
 T_jup = 3.179 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457304.5 (2015-Oct-09.0) TDB
Reference: JPL 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1197648176660761 7.8193e-08  
q 2.753440836449312 2.5938e-07 au
tp 2457615.819223869818
(2016-Aug-15.31922387)
0.00019939 TDB
node 64.89448106159702 3.6425e-05 deg
peri 291.588859331986 4.9352e-05 deg
i 10.22514418486638 8.8899e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      207  
   data-arc span      6228 days (17.05 yr)  
   first obs. used      2003-04-09  
   last obs. used      2020-04-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .61717  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-21 20:02:16  

Additional Information
 Jupiter MOID = 2.04539 au 
 T_jup = 3.179 
Orbit Covariance (6×6)
  e q tp node peri i
e 6.114148140121836E-15 -2.005344521443025E-14 7.801300387542554E-12 1.964205982599901E-14 1.295711189499503E-12 1.482746750003258E-15
q -2.005344521443025E-14 6.72801118065034E-14 -2.295042149155581E-11 -5.794711634284891E-14 -3.863775288490769E-12 -3.651726583153569E-15
tp 7.801300387542554E-12 -2.295042149155581E-11 3.975501726135756E-8 6.179038581577506E-11 6.690486555692617E-9 4.111867463136704E-12
node 1.964205982599901E-14 -5.794711634284891E-14 6.179038581577506E-11 1.326808981663443E-9 -1.29492833325865E-9 -1.398257372568701E-10
peri 1.295711189499503E-12 -3.863775288490769E-12 6.690486555692617E-9 -1.29492833325865E-9 2.435596856939898E-9 1.383672788130579E-10
i 1.482746750003258E-15 -3.651726583153569E-15 4.111867463136704E-12 -1.398257372568701E-10 1.383672788130579E-10 7.903046720123097E-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 15.5   n/a MPO254615  

305996 (2009 KB14)          Discovered 2009-May-26 by Spacewatch at Kitt Peak
Reference: 20111110/Numbers.arcLast Updated: 2011-11-14
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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