Re: Accurate GEO Obs plus GEO UNID

Rainer Kracht (r.kracht@elmshorn.netsurf.de)
Fri, 31 Oct 1997 15:11:53 +2

The latest GEOLONG.HD from OIG has:

SYNCHRONOUS SATELLITE CATALOG FOR 3 OCT 1997
                          ASCENDING SORT ON LONGITUDE
OBJ.  INT-DES  COMMOM NAME  USER  EPOCH       DAYS     LAT      LONG
NO.                         CODE              FROM     (DEG)    (DEG)
_______________________________________________________________________
22930 1993-078A DBS 1        US   97267.77     8.2    0.0408   258.7032
21227 1991-028A SPACENET 4 ( US   97270.31     5.7    0.0056   258.9588
23553 1995-019A AMSC 1       US   97276.34    -1.3    0.0412   259.0670
23598 1995-029A DBS 3        US   97267.11     8.9    0.0251   259.1217
23192 1994-047A DIRECTV 2    US   97268.53     7.5    0.0327   259.2283
22796 1993-058B ACTS         US   97275.44     0.6    0.0395   259.9517

Approximate LAT/LONG's from Ron's observations are:

Name   NORAD  Time(UT)    RA (HH:MM.M)  Dec (DD:MM)    LAT      LONG
UNID   xxxxx  03:19:35.1   23:14.6       -06:06       0.006    258.805
DBS 1  22930  03:18:31.5   23:14.6       -06:06       0.006    259.039
ASC 2  21227  03:18:18.2   23:14.6       -06:06       0.006    259.088
DBS 3  23598  03:17:57.5   23:14.6       -06:06       0.006    259.165
DBS 2  23192  03:17:28.7   23:14.6       -06:06       0.006    259.271
ACTS   22796  03:14:03.3   23:14.4       -06:11      -0.069    259.984

The correct identifications seem to be:

Name   NORAD  Time(UT)    RA (HH:MM.M)  Dec (DD:MM)    LAT      LONG
DBS 1  22930  03:19:35.1   23:14.6       -06:06       0.006    258.805
ASC 2  21227  03:18:31.5   23:14.6       -06:06       0.006    259.039
AMSC 1 23553  03:18:18.2   23:14.6       -06:06       0.006    259.088
DBS 3  23598  03:17:57.5   23:14.6       -06:06       0.006    259.165
DBS 2  23192  03:17:28.7   23:14.6       -06:06       0.006    259.271
ACTS   22796  03:14:03.3   23:14.4       -06:11      -0.069    259.984

 Rainer