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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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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


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 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456272.5 (2012-Dec-11.0) TDB
Reference: JPL 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1262406275526645 4.0735e-08  
q 1.898172638819309 8.7674e-08 au
tp 2456368.528591350136
(2013-Mar-17.02859135)		 8.1349e-05 TDB
node 12.14964691831561 0.00022161 deg
peri 24.30672129492083 0.00022307 deg
i 1.422227838773915 5.2387e-06 deg
   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
 Jupiter MOID = 2.9347 au 
 T_jup = 3.676 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.659320967420726E-15 -3.552363172664815E-15 -3.396045570274643E-13 1.767136716283099E-14 -1.508061720918593E-13 -2.589094329611809E-16
q -3.552363172664815E-15 7.686680327840179E-15 9.532395977576873E-13 -3.771090652219178E-14 3.880669717288266E-13 5.752138874975222E-16
tp -3.396045570274643E-13 9.532395977576873E-13 6.617663398850915E-9 -1.731487847335986E-12 2.095172571462296E-9 -2.019469072629606E-13
node 1.767136716283099E-14 -3.771090652219178E-14 -1.731487847335986E-12 4.911060618610274E-8 -4.909586328757014E-8 -3.609090225004502E-10
peri -1.508061720918593E-13 3.880669717288266E-13 2.095172571462296E-9 -4.909586328757014E-8 4.975801604784633E-8 3.607253675143837E-10
i -2.589094329611809E-16 5.752138874975222E-16 -2.019469072629606E-13 -3.609090225004502E-10 3.607253675143837E-10 2.744415898681154E-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 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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