Vanguard 1 - Visible Passes

User:	anonymous Login
Location:	Unspecified
(0.0000°N, 0.0000°E)
Time:	05:20:20
(UTC+00:00)
Language:

Search period start:	14 December 2025 00:00
Search period end:	24 December 2025 00:00
Orbit:	651 x 3821 km, 34.2° (Epoch: 12 December)

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
14 Dec	12.7	02:57:20	10°	SSW	03:02:44	17°	SSE	03:06:48	10°	ESE	visible
14 Dec	9.6	05:18:24	10°	SW	05:24:38	85°	SE	05:29:07	10°	NE	visible
14 Dec	13.8	19:35:22	10°	W	19:55:32	41°	SSW	20:15:05	10°	SSE	visible
14 Dec	14.0	22:14:05	10°	SW	22:26:27	17°	SSW	22:36:31	10°	SSE	visible
15 Dec	13.6	00:53:51	10°	SSW	00:57:13	11°	S	01:00:10	10°	SSE	visible
15 Dec	12.2	03:15:57	10°	SSW	03:22:54	24°	SSE	03:27:36	10°	ESE	visible
15 Dec	14.0	19:57:01	10°	W	20:16:17	33°	SSW	20:34:22	10°	SSE	visible
15 Dec	13.9	22:38:02	10°	SW	22:48:06	15°	SSW	22:56:19	10°	SSE	visible
16 Dec	13.4	01:12:33	10°	SSW	01:18:11	13°	S	01:22:41	10°	SE	visible
16 Dec	11.5	03:34:55	10°	SW	03:42:49	35°	SSE	03:47:50	10°	E	visible
16 Dec	13.5	17:48:41	10°	WNW	18:07:20	61°	SW	18:30:28	10°	SE	visible
16 Dec	14.1	20:19:20	10°	WSW	20:37:20	27°	SSW	20:53:44	10°	SSE	visible
16 Dec	13.9	23:01:15	10°	SSW	23:09:48	14°	S	23:16:50	10°	SSE	visible
17 Dec	13.1	01:31:24	10°	SSW	01:38:56	17°	SSE	01:44:22	10°	SE	visible
17 Dec	10.6	03:54:10	10°	SW	04:02:32	55°	SSE	04:07:37	10°	ENE	visible
17 Dec	13.8	18:09:04	10°	WNW	18:27:42	50°	SSW	18:49:56	10°	SE	visible
17 Dec	14.1	20:42:16	10°	WSW	20:58:43	23°	SSW	21:13:17	10°	SSE	visible
17 Dec	13.7	23:23:08	10°	SSW	23:31:27	14°	S	23:38:07	10°	SSE	visible
18 Dec	12.7	01:50:22	10°	SSW	01:59:25	23°	SSE	02:05:24	10°	ESE	visible
18 Dec	9.9	04:13:43	10°	SW	04:22:01	88°	SE	04:27:02	10°	NE	visible
18 Dec	14.0	18:29:54	10°	W	18:48:19	41°	SSW	19:09:23	10°	SE	visible
18 Dec	14.0	21:05:39	10°	SW	21:20:25	20°	SSW	21:33:08	10°	SSE	visible
18 Dec	13.6	23:43:47	10°	SSW	23:52:53	16°	S	23:59:51	10°	SE	visible
19 Dec	12.2	02:09:28	10°	SSW	02:19:41	31°	SSE	02:25:54	10°	E	visible
19 Dec	9.9	04:33:37	10°	WSW	04:41:17	56°	NW	04:46:08	10°	NE	visible
19 Dec	14.1	18:51:15	10°	W	19:09:13	34°	SSW	19:28:52	10°	SSE	visible
19 Dec	14.0	21:29:03	10°	SW	21:42:20	18°	S	21:53:30	10°	SSE	visible
20 Dec	13.4	00:03:42	10°	SSW	00:14:03	18°	S	00:20:47	11°	SE	visible
20 Dec	11.5	02:28:44	10°	SW	02:40:34	42°	SE	02:45:58	10°	E	visible
20 Dec	10.5	04:53:57	10°	WSW	05:00:26	32°	NW	05:04:53	10°	NNE	visible
20 Dec	14.2	19:13:09	10°	WSW	19:30:27	28°	SSW	19:48:29	10°	SSE	visible
20 Dec	13.9	21:51:53	10°	SW	22:04:20	17°	S	22:14:30	10°	SSE	visible
21 Dec	13.1	00:23:15	10°	SSW	00:34:57	23°	SSE	00:36:13	22°	SSE	visible
21 Dec	11.2	02:48:13	10°	SW	03:01:48	43°	E	03:05:40	10°	ENE	visible
21 Dec	11.1	05:14:57	10°	W	05:19:34	19°	NW	05:23:08	10°	N	visible
21 Dec	14.2	19:35:36	10°	WSW	19:52:01	24°	SSW	20:08:21	10°	SSE	visible
21 Dec	13.8	22:13:46	10°	SSW	22:26:13	17°	S	22:36:01	10°	SE	visible
22 Dec	13.0	00:42:40	10°	SSW	00:52:38	27°	S	00:52:38	27°	S	visible
22 Dec	11.1	03:21:58	38°	NE	03:21:58	38°	NE	03:25:02	10°	NE	visible
22 Dec	14.1	19:58:26	10°	SW	20:13:54	21°	SSW	20:28:37	10°	SSE	visible
22 Dec	13.6	22:34:42	10°	SSW	22:47:52	19°	S	22:57:00	11°	SE	visible
23 Dec	13.1	01:02:05	10°	SW	01:09:27	25°	SSW	01:09:27	25°	SSW	visible
23 Dec	11.2	03:41:39	29°	NNE	03:41:39	29°	NNE	03:44:08	10°	NE	visible
23 Dec	14.1	20:21:17	10°	SW	20:36:02	19°	S	20:49:26	10°	SSE	visible
23 Dec	13.3	22:54:57	10°	SSW	23:09:14	23°	SSE	23:14:00	20°	SE	visible

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