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18441 Cittadivinci (1994 PE)
Classification: Main-belt Asteroid          SPK-ID: 2018441
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09654337996595018 5.2424e-08  
a 3.089440854233348 2.0585e-08 au
q 2.791175791960768 1.6974e-07 au
i 10.08130736062079 5.0793e-06 deg
node 297.4548934372492 2.8917e-05 deg
peri 17.44032205039341 3.7498e-05 deg
M 315.2536312174753 2.5291e-05 deg
tp 2459447.032143435459
(2021-Aug-20.53214344)
0.00014005 TDB
period 1983.436288833035
5.43
1.9823e-05
5.427e-08
d
yr
n .1815031831507973 1.814e-09 deg/d
Q 3.387705916505928 2.2572e-08 au
  Orbit Determination Parameters
   # obs. used (total)      918  
   data-arc span      9458 days (25.89 yr)  
   first obs. used      1994-08-05  
   last obs. used      2020-06-27  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .56362  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 02:29:22  

Additional Information
 Earth MOID = 1.7768 au 
 Jupiter MOID = 1.86906 au 
 T_jup = 3.194 
[ 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 14.11   n/a E2021B10  
diameter diameter 5.957 km 0.302 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
rotation period rot_per 74.3891 h n/a LCDB (Rev. 2020-October); Warner et al., 2009 Result based on less than full coverage, so that the period may be wrong by 30 percent or so.
Published Reference List:
[Pal, A.; Szakats, R.; Kiss, C.; Bodi, A.; et al. (2019) Ap. J. Supl. Ser. 247, id.26.]
geometric albedo albedo 0.104   0.027 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

18441 Cittadivinci           Discovered 1994 Aug. 5 by A. Boattini and M. Tombelli at San Marcello.
Vinci is a small beautiful village in Tuscany, where the great genius Leonardo da Vinci was born in 1452. For this reason it is visited by thousands of people each year, eager to visit either the museum or see Leonardo's machines.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: MPC batch dated 2017-10-05Last Updated: 2017-10-09

[ show close-approach data ]
Alternate Designations
 1994 PE = 1997 EA12 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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