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79375 Valetti (1997 FA)
Classification: Main-belt Asteroid          SPK-ID: 2079375
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1961295761827664 4.1601e-08  
a 2.309757315692594 8.072e-09 au
q 1.856745592280761 9.596e-08 au
i .9795474707971807 5.1711e-06 deg
node 176.1660982364328 0.0002022 deg
peri 38.38018183927304 0.0002025 deg
M 305.0787833837074 1.3063e-05 deg
tp 2459592.107544920976
(2022-Jan-12.60754492)
4.6971e-05 TDB
period 1282.176916500816
3.51
6.7213e-06
1.84e-08
d
yr
n .280772485736582 1.4718e-09 deg/d
Q 2.762769039104427 9.6552e-09 au
  Orbit Determination Parameters
   # obs. used (total)      865  
   data-arc span      8710 days (23.85 yr)  
   first obs. used      1997-03-16  
   last obs. used      2021-01-19  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .52159  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 13:41:33  

Additional Information
 Earth MOID = .850953 au 
 Jupiter MOID = 2.20216 au 
 T_jup = 3.559 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 15.91   n/a MPCxxxxx  
rotation period rot_per 4.35 h n/a LCDB (Rev. 2020-October); Warner et al., 2009 lower-limit; Incomplete or inconclusive result.
Published Reference List:
[Erasmus, N.; McNeill, A.; Mommert, N.; Trilling, D.E.; et al. (2019) Ap. J. Suppl. Series 242, A15.]

79375 Valetti           Discovered 1997 Mar. 16 by V. Goretti at Pianoro.
Alvero Valetti (1923-2005), an Italian mathematician and physicist, was a teacher at the Calini Senior High School in Brescia. Director of Specola Cidnea from 1970 to 1985, he was an expert in chronology and sundials, and he prepared the yearbook of the Brescia Observatory. The name was suggested by U. Quadri.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20060809/MPCPages.arcLast Updated: 2007-08-08

Alternate Designations
 1997 FA = 1998 TC7 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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