Vanguard 1 - Visible Passes

User:	anonymous Login
Location:	Unspecified
(0.0000°N, 0.0000°E)
Time:	04:29:22
(UTC+00:00)
Language:

Search period start:	21 May 2026 00:00
Search period end:	31 May 2026 00:00
Orbit:	654 x 3817 km, 34.2° (Epoch: 20 May)

Passes to include: visible only all

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

Date	Brightness	Start			Highest point			End			Pass type
Date	(mag)	Time	Alt.	Az.	Time	Alt.	Az.	Time	Alt.	Az.	Pass type
21 May	13.9	00:06:08	10°	WNW	00:51:07	2°	SE	00:09:50	19°	WNW	visible
21 May	13.4	03:03:41	17°	S	03:03:41	17°	S	03:08:41	10°	SSE	visible
21 May	13.0	19:40:20	10°	NNW	19:53:33	37°	NE	20:02:36	27°	ENE	visible
21 May	12.7	22:00:41	10°	NW	22:15:09	68°	NW	22:15:09	68°	NW	visible
22 May	14.1	00:27:03	10°	W	01:09:13	5°	SE	00:27:41	11°	W	visible
22 May	13.5	03:21:46	16°	S	03:21:46	16°	S	03:27:47	10°	SSE	visible
22 May	12.8	19:59:07	10°	NNW	20:13:17	47°	NE	20:20:31	38°	E	visible
22 May	12.8	22:20:18	10°	WNW	22:33:03	57°	WNW	22:33:03	57°	WNW	visible
23 May	14.0	01:27:17	8°	SSE	01:27:17	8°	SSE	00:45:36	5°	W	visible
23 May	13.5	03:39:50	14°	SSW	03:39:50	14°	SSW	03:47:09	10°	SSE	visible
23 May	13.3	18:00:44	10°	N	18:08:12	18°	NE	18:18:19	10°	ENE	visible
23 May	12.6	20:18:03	10°	NW	20:32:55	59°	NE	20:38:28	50°	E	visible
23 May	13.1	22:40:12	10°	WNW	22:51:01	45°	W	22:51:01	45°	W	visible
24 May	13.9	01:45:19	10°	SSE	01:45:19	10°	SSE	01:45:26	10°	SSE	visible
24 May	13.5	03:57:53	12°	SSW	04:00:55	13°	S	04:07:06	10°	SSE	visible
24 May	13.1	18:18:49	10°	NNW	18:28:07	24°	NE	18:41:46	10°	E	visible
24 May	12.4	20:37:07	10°	NW	20:52:34	73°	NE	20:56:28	64°	E	visible
24 May	13.4	23:00:27	10°	WNW	23:09:02	34°	W	23:09:02	34°	W	visible
25 May	13.8	02:03:21	12°	SSE	02:03:21	12°	SSE	02:04:45	10°	SSE	visible
25 May	13.5	04:15:55	10°	SSW	04:22:26	13°	S	04:27:59	10°	SSE	visible
25 May	12.8	18:37:13	10°	NNW	18:47:47	32°	NE	19:01:58	14°	E	visible
25 May	12.4	20:56:23	10°	NW	21:12:17	87°	NE	21:14:32	78°	ESE	visible
25 May	13.6	23:21:07	10°	W	23:27:05	24°	W	23:27:05	24°	W	visible
26 May	13.7	02:21:23	14°	SSE	02:21:23	14°	SSE	02:24:18	10°	SSE	visible
26 May	13.4	04:36:33	10°	SSW	04:43:49	14°	S	04:49:38	10°	SSE	visible
26 May	12.6	18:55:50	10°	NNW	19:07:17	43°	NE	19:20:04	21°	E	visible
26 May	12.4	21:15:52	10°	WNW	21:32:08	78°	SW	21:32:38	78°	SSW	visible
26 May	13.9	23:42:17	10°	W	23:45:12	16°	W	23:45:12	16°	W	visible
27 May	13.7	02:39:25	15°	S	02:39:25	15°	S	02:44:16	10°	SSE	visible
27 May	13.2	04:56:22	10°	SSW	05:04:57	16°	S	05:11:23	10°	SE	visible
27 May	12.4	19:14:38	10°	NW	19:26:42	55°	NE	19:38:13	29°	ESE	visible
27 May	12.6	21:35:37	10°	WNW	21:50:47	64°	SW	21:50:47	64°	SW	visible
28 May	14.1	00:44:54	2°	SE	00:44:54	2°	SE	00:03:21	9°	W	visible
28 May	13.6	02:57:27	16°	S	02:57:27	16°	S	03:04:51	10°	SSE	visible
28 May	13.0	05:15:47	10°	SSW	05:25:49	20°	SSE	05:32:49	10°	ESE	visible
28 May	12.2	19:33:36	10°	NW	19:46:10	70°	NE	19:56:24	37°	ESE	visible
28 May	12.9	21:55:42	10°	WNW	22:08:58	50°	WSW	22:08:58	50°	WSW	visible
29 May	14.2	01:02:56	5°	SE	01:02:56	5°	SE	00:21:31	2°	WSW	visible
29 May	13.6	03:15:29	16°	S	03:17:04	16°	S	03:26:04	10°	SSE	visible
29 May	12.8	05:35:03	10°	SSW	05:46:25	25°	SSE	05:53:45	10°	ESE	visible
29 May	12.2	19:52:47	10°	NW	20:05:44	86°	NE	20:14:37	44°	SE	visible
29 May	13.2	22:16:10	10°	W	22:27:10	38°	WSW	22:27:10	38°	WSW	visible
30 May	13.5	03:33:33	16°	SSW	03:38:40	18°	S	03:47:40	10°	SE	visible
30 May	12.2	20:12:10	10°	WNW	20:25:29	78°	SW	20:32:51	50°	SE	visible
30 May	13.4	22:37:05	10°	W	22:45:25	28°	WSW	22:45:25	28°	WSW	visible

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