Forecast of Conjunctions: 100 Latest Payloads vs. All (29043) Objects
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Time of Closest Approach (TCA), UTC
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NORAD ID 1
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Object Name 1
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NORAD ID 2
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Object Name 2
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Distance at TCA, km
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RIC Distance, km
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Rel.Speed
km/s
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2026-06-18 16:24:06.664
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37003
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FENGYUN 1C DEB
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69399
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QIANFAN-182
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3.940
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-3.228, 0.241, 2.246
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14.7989
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2026-06-18 16:33:54.033
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39301
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SL-16 DEB
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69387
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QIANFAN-170
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4.391
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3.314, -0.504, 2.836
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14.6291
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2026-06-18 16:35:01.092
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54235
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YUNHAI 3
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69390
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QIANFAN-173
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1.969
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-1.492, -0.105, -1.280
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14.7952
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2026-06-18 16:37:58.252
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30741
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FENGYUN 1C DEB
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69389
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QIANFAN-172
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1.408
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1.400, 0.011, 0.150
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14.8125
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2026-06-18 16:38:51.318
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801
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OPS 4412 (TRANSIT 9)
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69394
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QIANFAN-177
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4.242
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-3.168, 0.145, -2.816
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14.8041
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2026-06-18 16:43:41.140
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30956
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FENGYUN 1C DEB
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69396
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QIANFAN-179
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3.084
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-1.435, -0.569, 2.670
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14.5062
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2026-06-18 16:51:48.900
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69357
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STARLINK-37598
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69453
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TBA - TO BE ASSIGNED
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1.600
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0.898, 1.310, 0.191
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2.2032
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2026-06-18 16:53:56.512
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56591
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CZ-6A DEB
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69389
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QIANFAN-172
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4.372
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-3.933, 1.312, 1.386
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10.5566
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2026-06-18 16:55:33.457
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60050
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STARLINK-11137
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69344
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STARLINK-37786
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3.412
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2.690, 1.611, -1.345
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9.8429
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2026-06-18 17:05:39.523
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66052
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HRC MONOBLOCK CAMERA
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69345
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STARLINK-37785
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3.520
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-3.483, 0.388, 0.330
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9.9623
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Our orbit propagation model is based on SGP4/SDP4 and uses data sourced from space-track.org. Object 1 and Object 2 are arranged by their NORAD ID (NORAD_CAT_ID).
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The "Within ellipsoid" option allows you to check if the predicted miss distance is within the RIC (Radial, In-track, Cross-track) ellipsoid, centered on either Object 1 or Object 2 at TCA, with specified semi-axis lengths.
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To exclude long-lasting conjunctions of ride-sharing satellites, you can use the "Relative Speed > 0.01 km/s" filter. Additionally, connected modules of ISS and CSS are not included in the forecast. Some ride-sharing satellites may also be temporarily excluded from the forecast.
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Gray background indicates that the record is no longer current.
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Please note that the "Selected Objects vs. All" option and Email Notifications are only available for registered users, with registration currently being free of charge.
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