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11689 (1998 FA56)
Classification: Main-belt Asteroid          SPK-ID: 2011689
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 26 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .03741093178956344 3.83e-08  
a 2.554858946136199 1.08e-08 au
q 2.459279292370342 9.5506e-08 au
i 14.81952848012033 4.4522e-06 deg
node 170.5992447553377 1.4931e-05 deg
peri 49.33057190136176 6.0025e-05 deg
M 122.5220755086444 5.8343e-05 deg
tp 2458492.854357376645
(2019-Jan-09.35435738)
0.00024161 TDB
period 1491.58778600281
4.08
9.4575e-06
2.589e-08
d
yr
n .241353545113651 1.5303e-09 deg/d
Q 2.650438599902057 1.1204e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1487  
   data-arc span      14928 days (40.87 yr)  
   first obs. used      1979-09-20  
   last obs. used      2020-08-03  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .48757  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Aug-25 00:26:42  

Additional Information
 Earth MOID = 1.47605 au 
 Jupiter MOID = 2.32888 au 
 T_jup = 3.391 
[ 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 13.9   n/a MPO492884  
diameter diameter 4.109 km 0.138 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.346   0.069 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

11689 (1998 FA56)          Discovered 1998-Mar-20 by LINEAR at Socorro
Reference: 19990928/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1998 FA56 = 1979 SU12 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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