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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 29 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .03741094061888139 3.7847e-08  
a 2.554858940436253 1.0079e-08 au
q 2.459279264325974 9.3659e-08 au
i 14.81952749792407 4.2481e-06 deg
node 170.5992503306809 1.2798e-05 deg
peri 49.3306071690707 5.2924e-05 deg
M 122.5220387387548 5.2838e-05 deg
tp 2458492.854511424158
(2019-Jan-09.35451142)
0.00021825 TDB
period 1491.587781011162
4.08
8.8263e-06
2.417e-08
d
yr
n .2413535459213486 1.4282e-09 deg/d
Q 2.650438616546532 1.0456e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1775  
   data-arc span      15025 days (41.14 yr)  
   first obs. used      1979-09-20  
   last obs. used      2020-11-08  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .46668  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Dec-18 02:46:45  

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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