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Vanguard 1 - Visible Passes

Search period start: 17 February 2026 00:00
Search period end: 27 February 2026 00:00
Orbit: 652 x 3820 km, 34.3° (Epoch: 13 February)

Passes to include:

Click on the date to get a star chart and other pass details.

Date Brightness Start Highest point End Pass type
(mag) Time Alt. Az. Time Alt. Az. Time Alt. Az.
17 Feb11.402:23:2473°E02:23:2473°E02:31:1210°ESEvisible
17 Feb11.404:35:5717°W04:44:1545°SSW04:50:3110°SEvisible
18 Feb13.300:28:5014°E00:28:5014°E00:29:4510°ESEvisible
18 Feb11.402:41:2380°SW02:41:3281°SSW02:50:3010°ESEvisible
18 Feb11.504:53:5610°W05:03:5739°SSW05:09:5210°ESEvisible
18 Feb14.021:55:1910°N21:56:4612°N21:56:4612°Nvisible
19 Feb12.900:46:4722°ESE00:46:4722°ESE00:49:3210°ESEvisible
19 Feb11.402:59:2062°WSW03:01:1068°SSW03:09:4810°ESEvisible
19 Feb11.505:14:2710°WSW05:23:4437°S05:29:2010°ESEvisible
19 Feb13.922:12:5510°NNW22:15:2614°NNW22:15:2614°NNWvisible
20 Feb12.601:04:4332°ESE01:04:4332°ESE01:09:0710°ESEvisible
20 Feb11.603:17:1546°WSW03:20:5058°SSW03:29:0610°ESEvisible
20 Feb13.820:17:3410°NNE20:21:3312°NNE20:21:3312°NNEvisible
20 Feb13.922:31:0610°NNW22:34:1115°NNW22:34:1115°NNWvisible
21 Feb12.301:22:3644°ESE01:22:3644°ESE01:28:3410°ESEvisible
21 Feb11.703:35:0934°WSW03:40:3651°SSW03:48:2710°ESEvisible
21 Feb13.720:31:3710°N20:40:2517°NNE20:40:2517°NNEvisible
21 Feb13.722:49:4510°NNW23:27:57ESE22:53:0316°NNWvisible
22 Feb12.001:40:2957°SE01:40:2957°SE01:47:5710°ESEvisible
22 Feb11.703:53:0225°WSW04:00:2646°SSW04:07:5110°ESEvisible
22 Feb13.520:48:1310°N20:59:2423°NNE20:59:2423°NNEvisible
22 Feb13.523:08:4710°NW23:45:4812°ESE23:46:1510°ESEvisible
23 Feb11.901:58:2066°SSE01:58:2066°SSE02:07:1810°ESEvisible
23 Feb11.704:10:5317°WSW04:20:1944°S04:27:2110°ESEvisible
23 Feb13.421:05:4810°NNW21:18:3029°NNE21:18:3029°NNEvisible
23 Feb13.223:28:1110°NW00:03:3919°ESE00:05:5510°ESEvisible
24 Feb11.902:16:1163°SSW02:16:2063°SSW02:26:4110°ESEvisible
24 Feb11.704:28:4311°WSW04:40:1444°S04:46:5610°ESEvisible
24 Feb13.719:12:1010°NNE19:18:2212°NE19:24:3710°ENEvisible
24 Feb13.221:23:5610°NNW21:37:4436°N21:37:4436°Nvisible
24 Feb13.023:47:5510°WNW00:21:2827°ESE00:25:2710°ESEvisible
25 Feb12.002:34:0052°SW02:36:1556°SSW02:46:0710°ESEvisible
25 Feb11.504:48:4210°WSW05:00:0946°S05:06:3310°ESEvisible
25 Feb13.519:25:4010°N19:38:2918°NE19:44:2516°ENEvisible
25 Feb13.121:42:3110°NNW21:57:0642°N21:57:0642°Nvisible
26 Feb12.700:07:5810°WNW00:39:1736°ESE00:44:5510°ESEvisible
26 Feb12.002:51:5042°SW02:56:1552°SSW03:05:3710°ESEvisible
26 Feb11.305:08:5510°WSW05:20:0052°S05:26:0910°Evisible
26 Feb13.319:42:0810°N19:58:2125°NE20:03:5423°ENEvisible
26 Feb13.022:01:2810°NW22:44:35ESE22:16:3647°NNWvisible
 

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