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100789 (1998 FK74)
Classification: Main-belt Asteroid          SPK-ID: 2100789
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 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1265360139613683 4.0597e-08  
a 2.172699443562951 1.0469e-08 au
q 1.897774716438413 8.7424e-08 au
i 1.419701279204163 5.2368e-06 deg
node 12.04248922137407 0.00022209 deg
peri 24.53177831174735 0.00022353 deg
M 89.80452354830636 2.735e-05 deg
tp 2458708.694402168031
(2019-Aug-13.19440217)
8.7879e-05 TDB
period 1169.763070598573
3.20
8.455e-06
2.315e-08
d
yr
n .3077546291624564 2.2244e-09 deg/d
Q 2.44762417068749 1.1794e-08 au
  Orbit Determination Parameters
   # obs. used (total)      528  
   data-arc span      9685 days (26.52 yr)  
   first obs. used      1993-09-15  
   last obs. used      2020-03-22  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .51402  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 20:04:13  

Additional Information
 Earth MOID = .904774 au 
 Jupiter MOID = 2.9347 au 
 T_jup = 3.676 
[ 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 16.8   n/a MPO453462  

100789 (1998 FK74)          Discovered 1998-Mar-21 by Bickel, W. at Bergisch Gladbach
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

[ show close-approach data ]
Alternate Designations
 1998 FK74 = 1993 RC20 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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