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305887 (2009 FK19)
Classification: Main-belt Asteroid          SPK-ID: 2305887
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 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1549384706896445 6.8445e-08  
a 2.447202587144278 2.3852e-08 au
q 2.068036760824402 1.707e-07 au
i 4.276455389805278 5.691e-06 deg
node 111.4807835695526 9.5369e-05 deg
peri 336.6992160302415 9.7587e-05 deg
M 46.50185798256342 2.1067e-05 deg
tp 2458819.877804778800
(2019-Dec-02.37780478)
8.1222e-05 TDB
period 1398.309510643933
3.83
2.0444e-05
5.597e-08
d
yr
n .257453730565143 3.764e-09 deg/d
Q 2.826368413464154 2.7548e-08 au
  Orbit Determination Parameters
   # obs. used (total)      257  
   data-arc span      7923 days (21.69 yr)  
   first obs. used      1998-05-16  
   last obs. used      2020-01-24  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54122  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-25 17:58:18  

Additional Information
 Earth MOID = 1.08531 au 
 Jupiter MOID = 2.3667 au 
 T_jup = 3.477 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457426.5 (2016-Feb-08.0) TDB
Reference: JPL 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1534515758301957 6.8092e-08  
q 2.071740444863612 1.6952e-07 au
tp 2457421.748732437389
(2016-Feb-03.24873244)
8.0812e-05 TDB
node 111.5448281429862 9.5367e-05 deg
peri 336.7733744768617 9.7651e-05 deg
i 4.27568846026158 5.687e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      257  
   data-arc span      7923 days (21.69 yr)  
   first obs. used      1998-05-16  
   last obs. used      2020-01-24  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54122  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-25 17:58:18  

Additional Information
 Jupiter MOID = 2.3667 au 
 T_jup = 3.477 
Orbit Covariance (6×6)
  e q tp node peri i
e 4.636584535125632E-15 -1.146203659293107E-14 -3.343688205761261E-12 -1.52917649634919E-13 -8.497414002482109E-13 2.415363915161981E-15
q -1.146203659293107E-14 2.873805040214997E-14 8.094909592533396E-12 3.70924749550548E-13 2.054914958464982E-12 -5.135381856382595E-15
tp -3.343688205761261E-12 8.094909592533396E-12 6.530603642462658E-9 1.510576322857394E-10 1.772899704572194E-9 -4.538405633667544E-12
node -1.52917649634919E-13 3.70924749550548E-13 1.510576322857394E-10 9.094828335125849E-9 -9.024101425725925E-9 -2.680455119644453E-10
peri -8.497414002482109E-13 2.054914958464982E-12 1.772899704572194E-9 -9.024101425725925E-9 9.535800262549089E-9 2.659870431149024E-10
i 2.415363915161981E-15 -5.135381856382595E-15 -4.538405633667544E-12 -2.680455119644453E-10 2.659870431149024E-10 3.234231131198419E-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 MPO368089  

305887 (2009 FK19)          Discovered 2009-Mar-20 by Teamo, N. at Hibiscus
Reference: 20111110/Numbers.arcLast Updated: 2011-11-14
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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