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VizieR

B/astorb/astorb Orbits of Minor Planets (Bowell+ 2014)
The catalog of Orbits (2014-01-05) (1078400 rows)
  Name===1999 AH2
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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 49458  Record number assigned by the VizieR team. Should Not be used for identification.

Planet 49458  (i) [1,]+ Asteroid number (blank if unnumbered)
Name1999 AH2  (i) Name or preliminary designation.
CompNameL.H. Wasserman  Orbit Computer.
H14.48 mag Absolute magnitude H parameter (Note 1)   
G 0.15  Slope magnitude parameter (Note 1)   
B-V  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 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 0   [0/10] Flagstaff Station Code (Note 9)   
Narc10930   Orbital arc, days, spanned by observations used in orbit computation.
Nobs1812  Number of observations used in orbit computation.
Epoch2021-03-27 "Y:M:D" (i) Epoch of osculation, yyyymmdd (TDT) (Note 2)   
M157.205916 deg Mean anomaly (Note 3)   
omega 30.208383 deg Argument of perihelion (Note 3)   
Omega 20.964389 deg Longitude of ascending node (Note 3)   
i 4.005948 deg Inclination (Note 3)   
e 0.11408045  Eccentricity (Note 3)   
a 2.59955219 AU Semimajor axis (Note 3)   
DateOrb2021-03-03 "Y:M:D" Date of orbit computation
CEU 3e-02 arcsec Current Ephemeris Uncertainty (Note 10)   
dCEU 2e-05 arcsec/d Rate of change of CEU (Note 10)   
DateCEU2021-04-28 "Y:M:D" Date of CEU
PEU0 3e-02 arcsec Next Peak Ephemeris Uncertainty (PEU) (Note 11)   
DatePEU02021-05-01 "Y:M:D" Date of PEU0
PEU1 5e-02 arcsec Largest PEU in 10 years from DatePEU0 (Note 11)   
DatePEU12027-11-27 "Y:M:D" Date of PEU1
PEU2 5e-02 arcsec As PEU1, assuming that two observations were made at DatePEU0 (Note 11)   
DatePEU22027-11-27 "Y:M:D" Date of PEU2
mod*   [a*] added or updated (Note 12)   
modDate2021-03-07 "Y:M:D" Date of last modification (Note 12)   
  

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