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91037 (1998 FF5)
Classification: Inner Main-belt Asteroid          SPK-ID: 2091037
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .05726872528135741 4.8662e-08  
a 1.91293077412054 1.0022e-08 au
q 1.803379667135177 9.2213e-08 au
i 20.09807738452055 8.8627e-06 deg
node 10.84780405720776 1.164e-05 deg
peri 280.8421945102676 9.0311e-05 deg
M 28.24402791627254 9.4963e-05 deg
tp 2458924.682154497722
(2020-Mar-16.18215450)
0.00025462 TDB
period 966.3786079567819
2.65
7.5942e-06
2.079e-08
d
yr
n .372524802428263 2.9275e-09 deg/d
Q 2.022481881105904 1.0596e-08 au
  Orbit Determination Parameters
   # obs. used (total)      437  
   data-arc span      7715 days (21.12 yr)  
   first obs. used      1998-03-24  
   last obs. used      2019-05-08  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54304  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-23 22:22:08  

Additional Information
 Earth MOID = .861476 au 
 Jupiter MOID = 3.06189 au 
 T_jup = 3.857 
[ show covariance matrix ]

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 16.6   n/a MPO244868  

91037 (1998 FF5)          Discovered 1998-Mar-24 by LINEAR at Socorro
Reference: 20041028/Numbers.arcLast Updated: 2004-10-29

[ show close-approach data ]
Alternate Designations
 1998 FF5 = 1999 TK209 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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