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91006 Fleming (1998 BT25)
Classification: Main-belt Asteroid          SPK-ID: 2091006
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1173061914893412 5.3657e-08  
a 2.542397750702603 1.8557e-08 au
q 2.244158753316613 1.374e-07 au
i 15.46716557174588 5.5417e-06 deg
node 18.59870850857552 1.9314e-05 deg
peri 26.41252690804973 3.0325e-05 deg
M 307.622680866874 2.6818e-05 deg
tp 2459415.929133883121
(2021-Jul-20.42913388)
0.00011112 TDB
period 1480.688387292319
4.05
1.6211e-05
4.438e-08
d
yr
n .243130156952415 2.6619e-09 deg/d
Q 2.840636748088593 2.0734e-08 au
  Orbit Determination Parameters
   # obs. used (total)      409  
   data-arc span      8210 days (22.48 yr)  
   first obs. used      1998-01-28  
   last obs. used      2020-07-21  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .58592  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 14:43:00  

Additional Information
 Earth MOID = 1.25852 au 
 Jupiter MOID = 2.63477 au 
 T_jup = 3.385 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457579.5 (2016-Jul-10.0) TDB
Reference: JPL 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1191167166249714 5.3864e-08  
q 2.239002813187051 1.3843e-07 au
tp 2457934.886787554563
(2017-Jun-30.38678755)
0.00010487 TDB
node 18.72411697875371 1.9297e-05 deg
peri 26.25999281806147 2.9997e-05 deg
i 15.47701918419963 5.5456e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      409  
   data-arc span      8210 days (22.48 yr)  
   first obs. used      1998-01-28  
   last obs. used      2020-07-21  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .58592  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 14:43:00  

Additional Information
 Jupiter MOID = 2.63477 au 
 T_jup = 3.385 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.90128242990138E-15 -7.405335069594599E-15 1.492880226679958E-12 -1.272989439171238E-14 2.876195042942692E-13 -9.597111202428484E-15
q -7.405335069594599E-15 1.916222966100942E-14 -3.448490080166583E-12 3.360204433541025E-14 -6.6966787570538E-13 2.530483945154097E-14
tp 1.492880226679958E-12 -3.448490080166583E-12 1.099784146792915E-8 1.739283378785072E-11 2.434327975624182E-9 -1.257055556377958E-11
node -1.272989439171238E-14 3.360204433541025E-14 1.739283378785072E-11 3.723737985179739E-10 -3.543145981242081E-10 1.875032297804368E-11
peri 2.876195042942692E-13 -6.6966787570538E-13 2.434327975624182E-9 -3.543145981242081E-10 8.998314878062572E-10 -2.070691664414191E-11
i -9.597111202428484E-15 2.530483945154097E-14 -1.257055556377958E-11 1.875032297804368E-11 -2.070691664414191E-11 3.07541290850556E-11

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 15.67   n/a E2021B10  

91006 Fleming           Discovered 1998 Jan. 28 by M. Tichy and Z. Moravec at Klet.
Alexander Fleming (1881-1955) was a Scottish biologist and pharmacologist. His best-known achievements are the discovery of the enzyme lysozyme and isolation of the antibiotic substance penicillin, for which he shared a Nobel Prize in 1945 with Florey and Chain.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20071124/MPCPages.arcLast Updated: 2007-11-26

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