Update for (105) Artemis - December 9/10, 2007

  • Update computed by Jan Manek;   issued 02 Dec 2005 22:06 +0100 (CET)

  • Jan Manek's update

                        IOTA/IOTA-ES occultation update for
                (105) Artemis / 2UCAC 29943970 on December 9/10, 2007
            visible from S Ireland, S England, Netherlands, N Germany and Poland 
                          
    
    Summary 

    In the night of December 9/10, 2007 a faint 12.0 mag star 2UCAC 29943970 will be occulted by a 116 km asteroid (105) Artemis. This update is based on USNO/Flagstaff and TMO astrometry for the asteroid and UCAC2 star position.

    Updated path runs over S Ireland, S England, Netherlands, N Germany and Poland. Please check the path chart for details.

    Here is current station list for European cities and observatories plus other sites.
    If you would like to have your station listed with other observatories and sites, send me your request using the structure descripted here

    Clear sky and good luck !!!

    The event at one glimpse:
     * date and approx. UT time of event: December 9/10, 2007 @ 22:37:30 UT (Europe)
     * magnitude of target star: 12.0
     * magnitude drop [mag]: 1.9
     * estimated maximum duration [s]: 15.6
     * approx. V mag of minor planet at event [mag]: 13.7
     * geocentric parallax of minor planet ["]: 3.974
     * angular distance to moon, phase of moon [deg,%]: 103, 00%
     * Goffin's original chart reference: A07_12019
    
    The occultation path with path maps:
     * approximate ground width [km]: 200
     * uncertainty [path widths]: 0.66
     * uncertainty in time [s]: 15
     * map: Overview
            European part
     * remarks: Path uncertainties [1 sigma] are given according to nominal star
                position errors and expected asteroid positional accuracy.
    
    Elements for WinOccult - use 'Save as ...' to download and save these elements.
    
    Finding charts (prepared in GUIDE8):
     * occulted star is in center - labeled with cross
     * labeled stars have indicated SAO numbers
     * (smaller) square box shows 30' field in all wider field charts
     * (larger) square box shows 3° field in wide field charts
     * remarks:
       !!! IMPORTANT !!!
       Purple stars in identification chart are so called 'non-star' objects in GSC; in dense fields
       the 'non-stars' are often real stars or blends of close pairs. Be careful about this.
       40-degree chart
       3-degree chart
       0.5-degree chart
    
    Data for the target star:
     * name: 2UCAC 29943970
     * constellation: Cetus
     * J2000 position [h,m,s; o,',"]: 00h 26m 46.2604s; -05d 27' 49.303"
     * position source: UCAC2
     * estimated 1-sigma accuracy ["]: 0.063", 0.064"
     * V mag [mag]: 12.04 (ASAS/NSVS)
     * B mag [mag]: 12.5  (estimate)
     * remarks:
    
    Data for the minor planet:
     * general information:
         number, name: (105) Artemis
         approx. diameter [km]: 116
     * orbital information
         orbit source: calculation Manek
         source of used astrometry: USNO/Flagstaff, TMO (Bill Owen)
         number of used observations: 244
         time covered by the observations: 1997 11 22 - 2007 10 20
         estimated positional 1-sigma accuracy at epoch of event ["]: 0.021", 0.015", 88 deg
         remarks:
     * orbital elements
          Semimajor axis     =   2.37367024011929 AU
          Eccentricity       =   0.176185528209470
          Inclination        =  21.4596733324508 deg
          Long. of node      = 188.3521775114468 deg
          Arg. of pericenter =  56.5099973044464 deg
          Mean anomaly       = 127.0560703954344 deg
          Epoch of elements  : MJD   54443.94000000 TDT (Dec  9, 2007, 22.560000 h)
    
    Path coordinates: click here
    
    Calculator(s): Jan Manek
    
    ----------------------------------------------------------------------------
    Jan Manek
    Werichova 950
    152 00  Praha 5 - Barrandov                                         |_|_|
    Czech Republic                                                      /   \
    Internet : jan.manek AT worldonline.cz                             |-O-O-|
    --------------------------------------------------------------------U---U---
    

    Be sure to use the RELOAD button of your browser,
    so you will surely use the latest version of predictions page!