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JPL Small-Body Database Browser
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100781 (1998 FX56)
Classification: Main-belt Asteroid          SPK-ID: 2100781
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .3065582074240799 3.6856e-08  
a 2.785693031245768 1.4366e-08 au
q 1.931715969153313 1.0701e-07 au
i 4.283347683774611 5.4329e-06 deg
node 178.5317354327574 5.1439e-05 deg
peri 261.4106659024247 5.222e-05 deg
M 347.9311834912014 1.1235e-05 deg
tp 2459057.432531770315
(2020-Jul-26.93253177)
5.3323e-05 TDB
period 1698.237057657738
4.65
1.3137e-05
3.597e-08
d
yr
n .2119845391293741 1.6398e-09 deg/d
Q 3.639670093338222 1.877e-08 au
  Orbit Determination Parameters
   # obs. used (total)      737  
   data-arc span      7933 days (21.72 yr)  
   first obs. used      1998-03-20  
   last obs. used      2019-12-08  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52102  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-24 01:11:11  

Additional Information
 Earth MOID = .952858 au 
 Jupiter MOID = 1.66395 au 
 T_jup = 3.257 
[ 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 15.0   n/a MPO493566  

100781 (1998 FX56)          Discovered 1998-Mar-20 by LINEAR at Socorro
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

[ show close-approach data ]
Alternate Designations
 1998 FX56 = 2001 QR78 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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