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B/astorb/astorb Orbits of Minor Planets (Bowell+ 2014)
The catalog of Orbits (2014-01-05) (664223 rows)
  Planet=699
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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 699  Record number assigned by the VizieR team. Should Not be used for identification.

Planet 699   [1,]+ Asteroid number (blank if unnumbered)
NameHela  Name or preliminary designation.
CompNameL.H. Wasserman  Orbit Computer.
H11.72 mag Absolute magnitude H parameter (Note 1)   
G 0.15  Slope magnitude parameter (Note 1)   
B-V 0.86 mag Color index (see E.F.Tedesco, pp.1090-1138)
Diam  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 8   [0/31] Planet-crossing code (Note 4)   
Oflg 0   [0/255] Orbit computation code (Note 5)   
Sflg 8   [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 1   [0/10] Flagstaff Station Code (Note 9)   
Narc40699  Orbital arc, days, spanned by observations used in orbit computation.
Nobs1264  Number of observations used in orbit computation.
Epoch2014-12-09 "Y:M:D" Epoch of osculation, yyyymmdd (TDT) (Note 2)   
M223.843679 deg Mean anomaly (Note 3)   
omega 91.442574 deg Argument of perihelion (Note 3)   
Omega242.569278 deg Longitude of ascending node (Note 3)   
i 15.293444 deg Inclination (Note 3)   
e 0.40950056  Eccentricity (Note 3)   
a 2.61240183 AU Semimajor axis (Note 3)   
DateOrb2014-07-17 "Y:M:D" Date of orbit computation
CEU 2e-02 arcsec Current Ephemeris Uncertainty (Note 10)   
dCEU 8e-05 arcsec/d Rate of change of CEU (Note 10)   
DateCEU2014-12-14 "Y:M:D" Date of CEU
PEU0 4e-02 arcsec Next Peak Ephemeris Uncertainty (PEU) (Note 11)   
DatePEU02015-04-08 "Y:M:D" Date of PEU0
PEU1 1e-01 arcsec Largest PEU in 10 years from DatePEU0 (Note 11)   
DatePEU12020-08-19 "Y:M:D" Date of PEU1
PEU2 1e-01 arcsec As PEU1, assuming that two observations were made at DatePEU0 (Note 11)   
DatePEU22020-08-19 "Y:M:D" Date of PEU2
mod*   [a*] added or updated (Note 12)   
modDate2014-07-20 "Y:M:D" Date of last modification (Note 12)   
  

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