Re: Two related satellites observed again...
Ed Cannon (ecannon@mail.utexas.edu)
Thu, 29 Oct 1998 04:06:39 -0500
Leo (Leo.Wikholm@canon.fi) wrote on behalf of Timo Kinnunen:
> Two related satellites observed
> -------------------------------
>
> ... Objects appeared diagonally relative to direction of motion.
> Retained a separation of 20 arcmin.
>
> Position: RA 16h 30m (Epoch 2000)
> dec +40
>
> Accurate to only 5 degrees.
>
> Observer location: +60 14 29 N
> 24 48 58 E
> +35m
>
> Date: 1998 October 27
> Time (UT): 16.43.00 (accuracy 5 seconds)
>
> Moved relatively fast (in a low orbit).
> Direction SW-NE, uncertain.
I get what looks like a pretty good match on the NOSS 2-2 trio. I'm
pretty sure that one of the three is brighter than the other two.
Note RA & Dec in the two right-most columns. There's a six-second
uncertainty on 91-76E:
60.241 335.184 110. Finland 2000 7.5 40 F F T F T
*** 1998 Oct 27 Tue evening *** Times are PM UTC *** 1558 411
H M S Tim Al Azi C Dir Mag Dys F Hgt Shd Rng EW Phs R A Dec
21809 NOSS 2-2 (E) 91 76E 3.0 4.4 c 4.0
16 42 14 .1 43 271 21 6.3 15 2 1110 1057 1504 .6 121 1621 37.0
16 42 25 .1 46 273 22 6.2 15 2 1111 1049 1457 .6 118 1626 39.5
16 42 37 .1 48 274 23 6.0 15 2 1112 1040 1414 .6 115 1630 42.1
16 42 48 .1 51 276 25 5.9 15 2 1113 1030 1372 .6 113 1636 44.8
16 43 0 .1 54 278 27 5.7 15 2 1115 1019 1334 .7 110 1642 47.7
16 43 12 .1 56 281 29 5.6 15 2 1116 1008 1299 .7 107 1649 50.7
21799 NOSS 2-2 (C) 91 76C 3.0 4.4 c 4.0
16 42 14 .0 43 271 21 6.3 9 2 1083 1027 1466 .6 120 1623 36.9
16 42 26 .0 46 272 22 6.1 9 2 1084 1019 1421 .6 118 1627 39.4
16 42 37 .0 48 274 23 6.0 9 2 1085 1010 1378 .6 115 1632 42.0
16 42 48 .0 51 276 24 5.8 9 2 1086 1000 1338 .6 113 1637 44.7
16 42 59 .0 54 278 27 5.7 9 2 1088 989 1301 .7 110 1643 47.6
16 43 10 .0 56 280 29 5.6 9 2 1089 978 1267 .7 107 1651 50.6
21808 NOSS 2-2 (D) 91 76D 3.0 4.4 c 4.0
16 42 11 .0 41 270 20 6.4 9 2 1082 1034 1513 .6 123 1619 34.6
16 42 22 .0 43 271 21 6.3 9 2 1083 1027 1466 .6 120 1623 37.0
16 42 33 .0 46 272 22 6.1 9 2 1084 1018 1421 .6 118 1627 39.4
16 42 44 .0 48 274 24 6.0 9 2 1085 1009 1378 .6 115 1632 42.0
16 42 55 .0 51 276 25 5.8 9 2 1086 1000 1338 .6 113 1637 44.8
16 43 6 .0 54 278 27 5.7 9 2 1087 989 1301 .7 110 1643 47.6
Ed Cannon - ecannon@mail.utexas.edu - Austin, Texas, USA