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1745 Ferguson (1941 SY1)
Classification: Main-belt Asteroid          SPK-ID: 2001745
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 42 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .05741866390295769 3.2879e-08  
a 2.845236517340616 1.0059e-08 au
q 2.681866838027013 9.1879e-08 au
i 3.255844454389125 3.2042e-06 deg
node 78.64612555384801 6.5585e-05 deg
peri 338.2941114468032 7.3587e-05 deg
M 100.7839417879195 3.2664e-05 deg
tp 2458509.744893478909
(2019-Jan-26.24489348)
0.00015923 TDB
period 1752.97607151906
4.80
9.2965e-06
2.545e-08
d
yr
n .2053650394029841 1.0891e-09 deg/d
Q 3.008606196654219 1.0637e-08 au
  Orbit Determination Parameters
   # obs. used (total)      3129  
   data-arc span      28763 days (78.75 yr)  
   first obs. used      1941-09-17  
   last obs. used      2020-06-17  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .41304  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jun-23 15:36:08  

Additional Information
 Earth MOID = 1.69407 au 
 Jupiter MOID = 2.19192 au 
 T_jup = 3.303 
[ 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 11.9   n/a MPO267714  
diameter diameter 12.113 km 0.123 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M)  
geometric albedo albedo 0.209   0.031 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M)  

1745 Ferguson (1941 SY1)          Discovered 1941-Sep-17 by Willis, J. at Washington
Reference: DISCOVERY.DBLast Updated: 2003-08-29

[ show close-approach data ]
Alternate Designations
 1941 SY1 = 1951 WN1 = 1954 LA = 1955 QC1 = 1965 UT1 = 9584 P-L 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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