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B/astorb/astorb Orbits of Minor Planets (Bowell+ 2014)
The catalog of Orbits (2014-01-05) (681274 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)   
Narc41029  Orbital arc, days, spanned by observations used in orbit computation.
Nobs1294  Number of observations used in orbit computation.
Epoch2015-03-19 "Y:M:D" Epoch of osculation, yyyymmdd (TDT) (Note 2)   
M247.189328 deg Mean anomaly (Note 3)   
omega 91.460459 deg Argument of perihelion (Note 3)   
Omega242.558118 deg Longitude of ascending node (Note 3)   
i 15.294991 deg Inclination (Note 3)   
e 0.40965812  Eccentricity (Note 3)   
a 2.61213178 AU Semimajor axis (Note 3)   
DateOrb2015-04-11 "Y:M:D" Date of orbit computation
CEU 4e-02 arcsec Current Ephemeris Uncertainty (Note 10)   
dCEU -7e-05 arcsec/d Rate of change of CEU (Note 10)   
DateCEU2015-04-20 "Y:M:D" Date of CEU
PEU0 4e-02 arcsec Next Peak Ephemeris Uncertainty (PEU) (Note 11)   
DatePEU02016-05-09 "Y:M:D" Date of PEU0
PEU1 1e-01 arcsec Largest PEU in 10 years from DatePEU0 (Note 11)   
DatePEU12020-08-24 "Y:M:D" Date of PEU1
PEU2 1e-01 arcsec As PEU1, assuming that two observations were made at DatePEU0 (Note 11)   
DatePEU22020-08-24 "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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