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11559 (1993 FS23)
Classification: Main-belt Asteroid          SPK-ID: 2011559
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.


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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 .0863830421228856 5.8371e-08  
a 2.790013606330196 1.3517e-08 au
q 2.549003743451151 1.607e-07 au
i 2.310228894803929 5.4587e-06 deg
node 329.45440163 9.3059e-05 deg
peri 20.13822587569048 9.5451e-05 deg
M 149.251212109169 2.108e-05 deg
tp 2458294.794869456786
(2018-Jun-25.29486946)
9.9039e-05 TDB
period 1702.189505903181
4.66
1.237e-05
3.387e-08
d
yr
n .2114923154863325 1.537e-09 deg/d
Q 3.031023469209241 1.4685e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1328  
   data-arc span      10783 days (29.52 yr)  
   first obs. used      1990-10-11  
   last obs. used      2020-04-19  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .50477  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 03:34:04  

Additional Information
 Earth MOID = 1.54268 au 
 Jupiter MOID = 2.3272 au 
 T_jup = 3.323 
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Orbital Elements at Epoch 2456825.5 (2014-Jun-17.0) TDB
Reference: JPL 26 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08556948319402198 5.8634e-08  
q 2.550285056233439 1.6134e-07 au
tp 2456581.535262551230
(2013-Oct-16.03526255)
9.9103e-05 TDB
node 329.57690252757 9.2705e-05 deg
peri 17.8873557939332 9.5146e-05 deg
i 2.316821428176655 5.4617e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      1328  
   data-arc span      10783 days (29.52 yr)  
   first obs. used      1990-10-11  
   last obs. used      2020-04-19  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .50477  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 03:34:04  

Additional Information
 Jupiter MOID = 2.3272 au 
 T_jup = 3.323 
Orbit Covariance (6×6)
  e q tp node peri i
e 3.437920383513559E-15 -9.433910329334006E-15 -3.352996888828881E-13 1.32218444820125E-14 -1.81983999730225E-13 -6.322868219567313E-16
q -9.433910329334006E-15 2.603135538591942E-14 9.527608266950635E-13 -3.675047562800825E-14 5.093728374023346E-13 1.808713879530062E-15
tp -3.352996888828881E-13 9.527608266950635E-13 9.821491503218618E-9 -1.120233520281098E-11 2.126330237861107E-9 -1.287305378856028E-12
node 1.32218444820125E-14 -3.675047562800825E-14 -1.120233520281098E-11 8.594254424304465E-9 -8.589647793076534E-9 1.051742026484338E-10
peri -1.81983999730225E-13 5.093728374023346E-13 2.126330237861107E-9 -8.589647793076534E-9 9.052689233194494E-9 -1.053513731587534E-10
i -6.322868219567313E-16 1.808713879530062E-15 -1.287305378856028E-12 1.051742026484338E-10 -1.053513731587534E-10 2.98303281690854E-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 14.6   n/a MPO332928  
diameter diameter 4.901 km 0.080 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.106   0.009 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

11559 (1993 FS23)          Discovered 1993-Mar-21 by UESAC at La Silla
Reference: 19990928/Numbers.arcLast Updated: 2004-04-19

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Alternate Designations
 1993 FS23 = 1990 TO11 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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