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32931 Ferioli (1995 SY4)
Classification: Main-belt Asteroid          SPK-ID: 2032931
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 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1449924557426939 4.6131e-08  
a 3.039574220712754 2.1127e-08 au
q 2.598858890039427 1.3922e-07 au
i 8.689814746785723 6.4662e-06 deg
node 345.9102527588032 3.2298e-05 deg
peri 73.99426388250693 3.9578e-05 deg
M 202.6365922027826 2.256e-05 deg
tp 2459846.594373041848
(2022-Sep-24.09437304)
0.00012473 TDB
period 1935.608656159588
5.30
2.0181e-05
5.525e-08
d
yr
n .1859880089161569 1.9391e-09 deg/d
Q 3.480289551386081 2.419e-08 au
  Orbit Determination Parameters
   # obs. used (total)      689  
   data-arc span      9894 days (27.09 yr)  
   first obs. used      1992-04-06  
   last obs. used      2019-05-09  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56562  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-23 02:55:32  

Additional Information
 Earth MOID = 1.62768 au 
 Jupiter MOID = 1.94293 au 
 T_jup = 3.207 
[ 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 14.6   n/a MPO385020  
diameter diameter 7.308 km 0.293 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.091   0.020 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

32931 Ferioli           Discovered 1995 Sept. 26 by P. Sicoli and P. Ghezzi at Sormano.
Luigi Ferioli (b. 1938), amateur astronomer, enthusiastic popularizer of astronomy, skilful telescope and sundial maker, and author of Appunti di ottica astronomica.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20111012/MPCPages.arcLast Updated: 2011-10-13

[ show close-approach data ]
Alternate Designations
 1995 SY4 = 2000 QG3 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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