That sounds like a fairly strong ID to me! Thanks Alan --- Alan Pickup <alan@wingar.demon.co.uk> wrote: > Mark Hanning-Lee writes: > > >I have been off the list since September, but > wanted > >to share this observation. > > > >Saturday 11/22 my wife & I were in Joshua Tree > >National Park, CA, a few miles S of the W entrance. > >About long 116.3 W, lat 34.1 N, elevation 920 m. We > >were looking at sats and Comet Encke, and noticed a > >striking phenomenon. > > > >A group of 3 objects crossed the sky from the West > to > >the south. First saw them in the west about 30 deg > >high near Altair. (They may have appeared earlier > but > >this was when we noticed them.) > >At 19:31 local time = 3:31 11/23 UTC. > >Not timing precisely so +- 1 minute. > > > > I suspect that this is the decay of #28084, Cosmos > 2399 deb C. The final > two elsets that have been published for this are: > Cosmos 2399 deb C 226 > x 173 km > 1 28084U 03035C 03325.95988775 .05438230 74591-5 > 11866-2 0 209 > 2 28084 64.9122 199.5078 0040600 74.7303 285.8173 > 16.27502088 532 > Cosmos 2399 deb C 178 > x 144 km > 1 28084U 03035C 03326.93968715 .15227562 77094-5 > 48605-3 0 264 > 2 28084 64.9369 195.7759 0026098 80.6253 280.0384 > 16.41683098 699 > > A summary of my final Decay Watch notice is: > _____________________________________________________________________ > Object: #28084 = 03- 35 C = Cosmos 2399 deb > Newly catalogued small debris of unknown origin > released from the > Cosmos 2399 Russian military photo-reconnaissance > satellite > launched on August 12, 2003. > (Dimensions and mass unknown) > > Decay predictions: > Source Prediction made Predicted decay at > Latitude Longitude > UTC UTC > deg deg > SCC Nov 23 03:57 Nov 23 03:28 +-49m > 53.4 N 136.6 W > SatEvo Nov 24 21:00 Nov 23 04:32 +-2h > 34.6 N 83.7 E > > Note: Elsets were few and far between, and late to > appear. My estimated > elset for the final equator crossing is: > Cosmos 2399 deb C 130 > x 116 km > 1 28084U 03035C 03327.18243893 .97901213 15016+2 > 42593-3 0 90268 > 2 28084 64.9326 194.8298 0010552 80.5107 279.6086 > 16.56364584 735 > _____________________________________________________________________ > > The orbit before my "final" one is... > > Cosmos 2399 deb C 151 > x 128 km > 1 28084U 03035C 03327.12193730 .34446844 10725+1 > 33300-3 0 90268 > 2 28084 64.9344 195.0674 0017324 80.5394 279.6564 > 16.49949172 722 > > ...and this, according to Mike McCants's Latlong > program, makes a pass > over Mark's area as follows: > > UTC > Hr Mn Sc Lat(N) Long(W) > 3 28 0 40.8 122.4 > 3 29 0 37.3 119.7 > 3 30 0 33.8 117.3 > 3 31 0 30.2 115.2 > 3 32 0 26.6 113.2 > 3 33 0 22.9 111.3 > > I also note that it passed through perigee at ~03:15 > UTC. > > > Alan > -- > Alan Pickup / COSPAR 2707: 55.8968N 3.1989W > +208m (WGS84 datum) > Edinburgh / SatEvo Home Page: > http://www.wingar.demon.co.uk/satevo/ > Scotland / Decay Watch: > http://www.wingar.demon.co.uk/satevo/dkwatch/ ----------------------------------------------------------------- To unsubscribe from SeeSat-L, send a message with 'unsubscribe' in the SUBJECT to SeeSat-L-request@satobs.org List archived at http://www.satobs.org/seesat/seesatindex.html
This archive was generated by hypermail 2b29 : Wed Nov 26 2003 - 19:33:21 EST