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Conjunctions

Close approaches within 5 km between satellites in the portal catalog and other objects in orbit over the next seven days. The table is updated three times a day.
Last updated, UTC: 2026-10-10 16:30
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Time of closest approach, UTC Object 1 Object 2 Distance, km Speed, km/s Max. probability
2026-10-11 18:16:56 HERMES-3
NORAD 63835 		STARLINK-35797
NORAD 66364 		4.952 13.40 3.1e-06
2026-10-13 18:20:49 HERMES-3
NORAD 63835 		STARLINK-37183
NORAD 68349 		4.950 13.58 3.0e-06
2026-10-15 09:17:09 STARLINK-3396
NORAD 51129 		HERMES-3
NORAD 63835 		4.598 14.62 2.7e-06
2026-10-14 17:36:18 STARLINK-32824
NORAD 62817 		HERMES-3
NORAD 63835 		4.820 14.75 2.4e-06
2026-10-11 04:10:24 HERMES-3
NORAD 63835 		ARIANE 40 R/B
NORAD 25979 		4.540 14.61 1.2e-06
2026-10-14 09:00:52 HERMES-3
NORAD 63835 		NAOS
NORAD 65317 		1.144 15.16 1.2e-06
2026-10-13 07:49:08 HERMES-3
NORAD 63835 		SL-3 R/B
NORAD 13771 		2.051 15.26 9.6e-07
2026-10-13 02:56:12 JILIN-1 GAOFEN 03D50
NORAD 54690 		HERMES-3
NORAD 63835 		2.323 9.99 6.4e-07
2026-10-15 16:16:45 THEA
NORAD 43796 		HERMES-3
NORAD 63835 		1.988 15.15 4.0e-07
2026-10-13 07:02:21 HERMES-3
NORAD 63835 		SL-3 R/B
NORAD 13771 		3.222 15.28 3.9e-07
2026-10-12 10:04:36 HERMES-3
NORAD 63835 		FENGYUN 1C DEB
NORAD 31686 		2.056 15.23 3.7e-07
2026-10-16 04:02:38 HERMES-3
NORAD 63835 		STARLINK-34704
NORAD 65746 		2.793 14.55 2.5e-07
2026-10-11 13:57:29 CS2
NORAD 49262 		HERMES-3
NORAD 63835 		2.604 15.11 2.4e-07
2026-10-11 14:48:14 HERMES-3
NORAD 63835 		STARLINK-35275
NORAD 65756 		3.288 13.72 2.2e-07
2026-10-14 07:27:11 HERMES-3
NORAD 63835 		NAOS
NORAD 65317 		2.801 15.16 2.0e-07
2026-10-16 16:46:26 HERMES-3
NORAD 63835 		GEOSCAN 3 (RS92S3)
NORAD 64893 		4.314 9.31 1.9e-07
2026-10-16 19:43:42 HERMES-3
NORAD 63835 		FENGYUN 1C DEB
NORAD 47041 		3.742 14.97 1.2e-07
2026-10-12 15:41:23 UTMN 2 (RS27S)
NORAD 57203 		HERMES-3
NORAD 63835 		3.679 15.11 1.2e-07
2026-10-15 14:43:05 THEA
NORAD 43796 		HERMES-3
NORAD 63835 		3.917 15.15 1.0e-07
2026-10-15 20:10:54 THEA
NORAD 43796 		HERMES-3
NORAD 63835 		3.927 15.13 1.0e-07
2026-10-14 10:34:32 HERMES-3
NORAD 63835 		NAOS
NORAD 65317 		4.018 15.16 9.7e-08
2026-10-13 03:28:36 YAM-5
NORAD 55076 		HERMES-3
NORAD 63835 		4.270 15.07 8.9e-08
2026-10-15 17:50:25 THEA
NORAD 43796 		HERMES-3
NORAD 63835 		4.330 15.15 8.4e-08
2026-10-15 18:37:14 THEA
NORAD 43796 		HERMES-3
NORAD 63835 		4.638 15.13 7.3e-08
2026-10-16 21:17:27 HERMES-3
NORAD 63835 		FENGYUN 1C DEB
NORAD 47041 		4.912 14.97 6.9e-08

Data: CelesTrak SOCRATES Plus, computed from TLEs of the public catalog. This is an estimate, not grounds for a manoeuvre: TLEs carry no covariance, and the maximum probability assumes a position error.