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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: 2026-10-11 16:30
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Time of closest approach, UTC Object 1 Object 2 Distance, km Speed, km/s Max. probability
2026-10-17 10:41:04 HORUS 1
NORAD 55690 		FLOCK 4H-1
NORAD 66704 		0.881 0.02 5.7e-06
2026-10-13 10:52:25 SEMI-1L
NORAD 66294 		FLOCK 4H-1
NORAD 66704 		0.692 14.10 4.5e-06
2026-10-16 23:32:44 FLOCK 4H-1
NORAD 66704 		FENGYUN 1C DEB
NORAD 32464 		1.308 7.63 2.3e-06
2026-10-12 19:22:08 FLOCK 4H-1
NORAD 66704 		PIAST-S1
NORAD 66749 		3.280 0.01 4.1e-07
2026-10-12 13:06:34 FLOCK 4H-1
NORAD 66704 		EMISAR
NORAD 68427 		3.014 12.71 3.0e-07
2026-10-13 09:53:50 FLOCK 4H-1
NORAD 66704 		GEN1A-2
NORAD 69005 		2.761 15.10 2.1e-07
2026-10-13 01:43:44 FLOCK 4H-1
NORAD 66704 		MARS-1
NORAD 68830 		3.755 12.72 1.9e-07
2026-10-14 14:44:07 IRIDE-MS1-EAGLET 2-2
NORAD 66696 		FLOCK 4H-1
NORAD 66704 		4.964 0.02 1.8e-07
2026-10-13 12:30:36 HXMT (HUIYAN)
NORAD 42758 		FLOCK 4H-1
NORAD 66704 		4.326 12.64 1.5e-07
2026-10-15 06:08:35 HERMES-6
NORAD 63489 		FLOCK 4H-1
NORAD 66704 		4.115 15.10 9.3e-08
2026-10-13 08:19:09 FLOCK 4H-1
NORAD 66704 		GEN1A-2
NORAD 69005 		4.358 15.10 8.3e-08
2026-10-15 07:43:10 HERMES-6
NORAD 63489 		FLOCK 4H-1
NORAD 66704 		4.486 15.10 7.8e-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.