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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 00:30
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Time of closest approach, UTC Object 1 Object 2 Distance, km Speed, km/s Max. probability
2026-10-15 14:28:59 YAOGAN-21
NORAD 40143 		STARLINK-36412
NORAD 67518 		4.293 14.31 3.4e-06
2026-10-14 19:31:45 YAOGAN-21
NORAD 40143 		STARLINK-32679
NORAD 62507 		4.311 14.28 3.4e-06
2026-10-12 14:04:34 YAOGAN-21
NORAD 40143 		STARLINK-31899
NORAD 59850 		4.350 14.28 3.3e-06
2026-10-13 23:46:06 YAOGAN-21
NORAD 40143 		STARLINK-31197
NORAD 58859 		4.796 13.48 3.2e-06
2026-10-13 04:24:09 YAOGAN-21
NORAD 40143 		STARLINK-5664
NORAD 55360 		4.638 13.93 3.2e-06
2026-10-13 15:30:28 YAOGAN-21
NORAD 40143 		STARLINK-32817
NORAD 63079 		4.049 14.99 3.1e-06
2026-10-14 10:21:12 YAOGAN-21
NORAD 40143 		STARLINK-32817
NORAD 63079 		4.037 15.04 3.0e-06
2026-10-13 02:49:53 YAOGAN-21
NORAD 40143 		STARLINK-5664
NORAD 55360 		4.824 13.92 2.9e-06
2026-10-12 19:29:13 YAOGAN-21
NORAD 40143 		STARLINK-31197
NORAD 58859 		4.938 13.74 2.9e-06
2026-10-15 11:12:13 YAOGAN-21
NORAD 40143 		STARLINK-6167
NORAD 57126 		4.791 14.12 2.8e-06
2026-10-11 09:48:48 YAOGAN-21
NORAD 40143 		STARLINK-37299
NORAD 100015 		4.735 15.15 2.1e-06
2026-10-15 01:24:04 YAOGAN-21
NORAD 40143 		SITRO-AIS 25
NORAD 59066 		3.501 0.80 3.6e-07
2026-10-11 19:48:38 YAOGAN-21
NORAD 40143 		AEROCUBE 8C
NORAD 41853 		2.422 14.87 3.0e-07
2026-10-14 12:37:33 YAOGAN-21
NORAD 40143 		CHUBUSAT-2
NORAD 41338 		3.423 10.16 2.9e-07
2026-10-15 10:33:23 YAOGAN-21
NORAD 40143 		LUMELITE-4
NORAD 56309 		3.369 11.50 2.7e-07
2026-10-13 02:53:35 YAOGAN-21
NORAD 40143 		STARLINK-33729
NORAD 63647 		3.695 12.07 2.2e-07
2026-10-13 10:34:43 YAOGAN-21
NORAD 40143 		STARLINK-32602
NORAD 62181 		4.533 3.58 2.1e-07
2026-10-16 04:11:04 YAOGAN-21
NORAD 40143 		CZ-4B R/B
NORAD 33410 		4.521 4.80 2.1e-07
2026-10-15 17:57:39 YAOGAN-21
NORAD 40143 		CZ-6A DEB
NORAD 61432 		4.320 8.12 2.0e-07
2026-10-12 22:23:03 YAOGAN-21
NORAD 40143 		JIELONG-3 R/B
NORAD 58507 		4.002 13.55 1.5e-07
2026-10-12 23:57:23 YAOGAN-21
NORAD 40143 		JIELONG-3 R/B
NORAD 58507 		4.032 13.55 1.5e-07
2026-10-15 03:38:51 YAOGAN-21
NORAD 40143 		ION SCV-011
NORAD 56957 		3.429 14.96 1.4e-07

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.