Re: UNID
Rainer Kracht (r.kracht@elmshorn.netsurf.de)
Tue, 7 Sep 1999 20:00:21 +2
> While looking for another object, I saw what has proved to be an UNID. The
> unknown object has a flash period of about 4.9 seconds and is in a
> high-altitude orbit. Observed magnitude was perhaps +6 -> inv, and the maxima
> grew fainter as the object moved north. As best I am able to determine at
> this time, these were two positions (UTC; first position less certain than
> second; using Tirion's "Bright Star Atlas 2000.0"):
>
> 1999-09-07, 2:21:45-22:10, RA 20:30-50, Dec +10 - +11
> 1999-09-07, 2:26:45, RA 21:10-15, Dec +21
>
> Location: 30.314N, 97.866W, 280m
>
> If I'd have known it would be a possibly significant UNID, I would have tried
> to fight off "binocular neck" a bit longer....
>
1
30.3140 97.8660 920.
UNK990907
1 90907U 99250.08740308 .00000000 00000-0 00000+0 0 02
2 90907 57.9288 284.4979 0000010 .0000 .0677 6.05282527 07
1 99 9 7 2 21 57.5 20 40.00 10.500 2000
1 99 9 7 2 26 45.0 21 12.50 21.000 2000
0 0
1250 221 57.5 .2 20 40.01 10.497 20 40.00 10.500 -.003 .003 .004
1250 226 45.0 .2 21 12.51 20.998 21 12.50 21.000 -.002 .002 .003
1
30.3140 97.8660 920.
UNK990907 e & n set
1 90907U 99250.08740308 .00000000 00000-0 00000+0 0 02
2 90907 53.5944 280.1612 3400000 254.0108 64.7894 8.47000000 01
1 99 9 7 2 21 57.5 20 40.00 10.500 2000
1 99 9 7 2 26 45.0 21 12.50 21.000 2000
0 0
1250 221 57.5 .2 20 40.01 10.497 20 40.00 10.500 -.003 .003 .004
1250 226 45.0 .2 21 12.51 20.998 21 12.50 21.000 -.002 .002 .003
1
30.3140 97.8660 920.
UNK990907 e & n set
1 90907U 99250.08740308 .00000000 00000-0 00000+0 0 02
2 90907 49.3269 278.2608 7000000 307.4638 5.8093 2.00600000 04
1 99 9 7 2 21 57.5 20 40.00 10.500 2000
1 99 9 7 2 26 45.0 21 12.50 21.000 2000
0 0
1250 221 57.5 .1 20 40.01 10.497 20 40.00 10.500 -.004 .003 .004
1250 226 45.0 .2 21 12.51 20.998 21 12.50 21.000 -.002 .002 .003
Rainer