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JPL Small-Body Database Browser
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312555 (2009 FS66)
Classification: Main-belt Asteroid          SPK-ID: 2312555
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07991604723048062 4.8183e-08  
a 2.261901267365959 1.9681e-08 au
q 2.081139058852457 1.0589e-07 au
i 3.511481688893249 5.1645e-06 deg
node 149.9830323124024 9.9346e-05 deg
peri 358.8667197655892 0.00010884 deg
M 21.74074308145231 4.7347e-05 deg
tp 2458525.462081961621
(2019-Feb-10.96208196)
0.00016287 TDB
period 1242.535749243203
3.40
1.6217e-05
4.44e-08
d
yr
n .2897300944614808 3.7814e-09 deg/d
Q 2.442663475879461 2.1254e-08 au
  Orbit Determination Parameters
   # obs. used (total)      152  
   data-arc span      6234 days (17.07 yr)  
   first obs. used      2002-02-13  
   last obs. used      2019-03-10  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .68299  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-14 12:14:59  

Additional Information
 Earth MOID = 1.09273 au 
 Jupiter MOID = 2.54494 au 
 T_jup = 3.612 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457007.5 (2014-Dec-16.0) TDB
Reference: JPL 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08036849389353463 4.8351e-08  
q 2.080065935502963 1.0629e-07 au
tp 2457283.783368319275
(2015-Sep-18.28336832)
0.00015311 TDB
node 149.9941971588393 9.9351e-05 deg
peri 359.2129956835287 0.00010869 deg
i 3.511112775057126 5.1642e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      152  
   data-arc span      6234 days (17.07 yr)  
   first obs. used      2002-02-13  
   last obs. used      2019-03-10  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .68299  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-14 12:14:59  

Additional Information
 Jupiter MOID = 2.54494 au 
 T_jup = 3.612 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.337808518611166E-15 -5.06918347166373E-15 2.812935384090433E-12 -2.018667191388577E-14 8.815068914079823E-13 2.789961285768128E-16
q -5.06918347166373E-15 1.129687654245641E-14 -5.041729528816311E-12 4.708180598973285E-14 -1.628858574252692E-12 -1.010210819535551E-16
tp 2.812935384090433E-12 -5.041729528816311E-12 2.344252368414942E-8 3.677651174968707E-11 6.780131647291039E-9 5.011751015771613E-12
node -2.018667191388577E-14 4.708180598973285E-14 3.677651174968707E-11 9.870602118909509E-9 -9.84209295081765E-9 1.476501249921115E-10
peri 8.815068914079823E-13 -1.628858574252692E-12 6.780131647291039E-9 -9.84209295081765E-9 1.181307067130749E-8 -1.459687096633873E-10
i 2.789961285768128E-16 -1.010210819535551E-16 5.011751015771613E-12 1.476501249921115E-10 -1.459687096633873E-10 2.666921558278255E-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 17.9   n/a MPO423176  

312555 (2009 FS66)          Discovered 2009-Mar-23 by Mt. Lemmon Survey at Mount Lemmon
Reference: 20120109/Numbers.arcLast Updated: 2012-01-11
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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