I first found this problem a few days ago and comtacted "Logsat" (www.logsat.com) as I thought I must have messed up my software.It was the writer of the programme who then suggested it may be the keps themselves....and sure enough it looks like he is right. Question now is ....why ? Any suggestions ? John. Subject: Re: Kep probs...Geosats..... > John is right, at least as far as Astra 1A is concerned. > The elset in Alan's Satbase.zip is numbered 317, but the latest 5 on OIG are > 312 to 316 ! > A SkyMap run shows that elset 316 does not give a position S of Europe - > setting the longitude 140 W I get only elset 316. > > ASTRA 1A 316 > 1 19688U 88109B 01009.00000000 .00000036 00000-0 10000-3 0 3164 > 2 19688 0.0692 105.5984 0009287 283.9205 315.1247 1.00269188 24473 > ASTRA 1A 315 > 1 19688U 88109B 00356.50000000 .00000121 00000-0 10000-3 0 3157 > 2 19688 0.0389 60.3228 0003412 105.0278 124.2361 1.00272002 24287 > ASTRA 1A 314 > 1 19688U 88109B 00354.50000000 .00000117 00000-0 10000-3 0 3149 > 2 19688 0.0389 60.3228 0003412 105.0278 122.2579 1.00272002 24264 > ASTRA 1A 313 > 1 19688U 88109B 00347.79658566 .00000128 00000-0 10000-3 0 3139 > 2 19688 0.0389 60.3228 0003412 105.0278 222.4859 1.00272002 24202 > ASTRA 1A 312 > 1 19688U 88109B 00343.98098959 .00000138 00000-0 10000-3 0 3120 > 2 19688 0.0144 300.1777 0004701 352.6161 157.6224 1.00275263 24160 > Astra 1A 317 35793 x 35784 km > 1 19688U 88109B 01009.00000000 .00000125 00000-0 10000-3 0 3174 > 2 19688 0.0460 0.0000 0001000 0.0000 127.7508 1.00275562 24470 > > > TLE file: C:\TLE\Astra1a.tle > Configuration file: C:\TLE\astra1A.CFG > Tracking site: 5919 Barndalen, Malma, Sweden > Timezone: +1.0 hours > Report times: Local > Latitude: +59.2611ø > Longitude: +18.6192ø > > Start of Track Peak Elevation End of Track > Date Time Azim Elev Time Azim Elev Time Azim Elev Satellite Name > -------- -------- --- ----------- ---- -- -------- --- --- -------------- > 1/ 1/14 8:04:40 178 23 10:43:15 178 23 8:04:40 178 23 ASTRA 1A 312 > 1/ 1/14 8:04:40 179 23 22:45:46 179 23 8:04:40 179 23 Astra 1A 317 > 35793 x 35784 k > 1/ 1/14 8:04:40 179 23 2:33:09 179 23 8:04:40 179 23 ASTRA 1A 314 > 1/ 1/14 8:04:40 178 23 2:39:40 178 23 8:04:40 178 23 ASTRA 1A 313 > 1/ 1/14 8:04:40 179 23 2:40:13 179 23 8:04:40 179 23 ASTRA 1A 315 > > Report times: UTC > Latitude: +59.2611 > Longitude: -140.0000 > -------- -------- --- ----------- ---- -- -------- --- --- -------------- > 1/ 1/14 7:04:40 161 21 14:47:33 162 21 7:04:40 161 21 ASTRA 1A 316 > > ----- Original Message ----- > From: "John locker" <satcom@uksysops.com> > To: "Tony Beresford" <aberesford@iprimus.com.au> > Cc: "Seesat-L" <SeeSat-L@blackadder.lmsal.com> > Sent: Sunday, January 14, 2001 2:52 PM > Subject: Re: Kep probs...Geosats..... > > > > Hi Tony, > > > > Astra 1d should be 28 degs East(Its one of the astra group that is located > > with the newer birds) ...but it is not affected by the bug....only certain > > sats sem to be "bugged" > > if you take a look at http://www.lyngsat.com you'll see that they are > saying > > Asta 1a info is unavailable in the tracking section....all very strange. > > > > Heavens above also locates Astra 1a ( 19688) over the Pacific ! > > > > I am beginning to wonder if this is a bug associated with Y2K+1 > > > > > > John > > > > > > > John, I accessed ASTRA 1D 23331 and OPTUS B3 (23227)using the select a > > > satellite feature on heavens-above.com . ASTR 1d was sitting at about > 30E, > > > and OPTUS B3 at 153E like it should, so I dont think its a problem > > > with the TLE's. In both cases the TLE's used were the latest available > > from OIG > > > I think your prediction programme has a bug in it. > > > Tony Beresford > > > > ----------------------------------------------------------------- > > Unsubscribe from SeeSat-L by sending a message with 'unsubscribe' > > in the SUBJECT to SeeSat-L-request@lists.satellite.eu.org > > http://www2.satellite.eu.org/seesat/seesatindex.html > > > > > ----------------------------------------------------------------- Unsubscribe from SeeSat-L by sending a message with 'unsubscribe' in the SUBJECT to SeeSat-L-request@lists.satellite.eu.org http://www2.satellite.eu.org/seesat/seesatindex.html
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