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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 ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 38 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .05735270909364192 3.6778e-08  
a 2.845932549966425 1.0755e-08 au
q 2.682710608328074 1.0494e-07 au
i 3.256018970878721 3.753e-06 deg
node 78.64947781382924 7.0518e-05 deg
peri 338.6112540772026 7.8092e-05 deg
M 18.35525129900567 3.2859e-05 deg
tp 2458511.088544401897
(2019-Jan-27.58854440)
0.00016008 TDB
period 1753.619358894906
4.80
9.9405e-06
2.722e-08
d
yr
n .2052897045039834 1.1637e-09 deg/d
Q 3.009154491604776 1.1372e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2692  
   data-arc span      28567 days (78.21 yr)  
   first obs. used      1941-09-17  
   last obs. used      2019-12-04  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .43718  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-13 21:05:07  

Additional Information
 Earth MOID = 1.69456 au 
 Jupiter MOID = 2.19181 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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