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JPL Small-Body Database Browser
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59417 Giocasilli (1999 GD1)
Classification: Main-belt Asteroid          SPK-ID: 2059417
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 26 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09841890841470134 3.4312e-08  
a 2.393977755772892 1.1463e-08 au
q 2.158365078280648 8.2106e-08 au
i 7.142681853068143 4.6831e-06 deg
node 183.4806125007646 2.9862e-05 deg
peri 85.02521538228207 3.9547e-05 deg
M 86.76913918278022 2.8297e-05 deg
tp 2458274.407071393099
(2018-Jun-04.90707139)
0.00010524 TDB
period 1352.940174399952
3.70
9.7171e-06
2.66e-08
d
yr
n .2660871536020912 1.9111e-09 deg/d
Q 2.629590433265137 1.2591e-08 au
  Orbit Determination Parameters
   # obs. used (total)      964  
   data-arc span      9050 days (24.78 yr)  
   first obs. used      1995-02-25  
   last obs. used      2019-12-06  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56237  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-14 06:10:25  

Additional Information
 Earth MOID = 1.15658 au 
 Jupiter MOID = 2.44501 au 
 T_jup = 3.513 
[ 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 15.2   n/a MPO432147  
diameter diameter 1.856 km 0.252 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.389   0.116 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

59417 Giocasilli           Discovered 1999 Apr. 5 by A. Boattini and L. Tesi at San Marcello.
Giovanni Casilli (b. 1949) joined the staff of the Rome Astronomical Observatory in 1989. Since then he has worked at the Campo Imperatore station as a technician, providing his assistance to the Campo Imperatore Near-Earth Object Survey.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20051215/MPCPages.arcLast Updated: 2006-03-22

[ show close-approach data ]
Alternate Designations
 1999 GD1 = 2000 QV83 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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