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B/astorb/astorb Orbits of Minor Planets (Bowell+ 2014)
The catalog of Orbits (2014-01-05) (688481 rows)
  Planet=747
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Note: This is a copy of the Asteroid Observing Services from the Asteroid Database at Lowell Observatory

ColumnValue  Explain   (UCD)
recno 747  Record number assigned by the VizieR team. Should Not be used for identification.

Planet 747   [1,]+ Asteroid number (blank if unnumbered)
NameWinchester  Name or preliminary designation.
CompNameL.H. Wasserman  Orbit Computer.
H 7.69 mag Absolute magnitude H parameter (Note 1)   
G 0.15  Slope magnitude parameter (Note 1)   
B-V 0.71 mag Color index (see E.F.Tedesco, pp.1090-1138)
Diam171.7 km IRAS diameter (see E.F.Tedesco, pp.1151-1161; catalog II/190)
IRAScl   IRAS Taxonomic classification

EphemEphem  Show the Ephemeride of this Asteroid (from IMCCE)

Xflg 0   [0/31] Planet-crossing code (Note 4)   
Oflg 0   [0/255] Orbit computation code (Note 5)   
Sflg 0   [0/31] Survey observation code (Note 6)   
MPCC 0   [0/7] MPC critical-list code (Note 7)   
LowC 0   [0/5] Lowell Observatory discovery code (Note 8)   
FlaC 10   [0/10] Flagstaff Station Code (Note 9)   
Narc37096  Orbital arc, days, spanned by observations used in orbit computation.
Nobs1453  Number of observations used in orbit computation.
Epoch2015-10-05 "Y:M:D" Epoch of osculation, yyyymmdd (TDT) (Note 2)   
M 2.194934 deg Mean anomaly (Note 3)   
omega275.462341 deg Argument of perihelion (Note 3)   
Omega130.081280 deg Longitude of ascending node (Note 3)   
i 18.166695 deg Inclination (Note 3)   
e 0.34021213  Eccentricity (Note 3)   
a 3.00053567 AU Semimajor axis (Note 3)   
DateOrb2015-03-09 "Y:M:D" Date of orbit computation
CEU 4e-02 arcsec Current Ephemeris Uncertainty (Note 10)   
dCEU 1e-04 arcsec/d Rate of change of CEU (Note 10)   
DateCEU2015-08-30 "Y:M:D" Date of CEU
PEU0 6e-02 arcsec Next Peak Ephemeris Uncertainty (PEU) (Note 11)   
DatePEU02015-12-27 "Y:M:D" Date of PEU0
PEU1 9e-02 arcsec Largest PEU in 10 years from DatePEU0 (Note 11)   
DatePEU12020-11-22 "Y:M:D" Date of PEU1
PEU2 9e-02 arcsec As PEU1, assuming that two observations were made at DatePEU0 (Note 11)   
DatePEU22025-09-27 "Y:M:D" Date of PEU2
moda   [a*] added or updated (Note 12)   
modDate2015-04-20 "Y:M:D" Date of last modification (Note 12)   
  

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