Forecast of Conjunctions: 100 Latest Payloads vs. All (27016) 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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2025-04-03 20:38:41.155
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61697
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STARLINK-11346
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63284
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STARLINK-33673
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2.075
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-1.755, 0.892, -0.657
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9.0612
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2025-04-03 20:45:38.982
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44351
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FORMOSAT7-2/COSMIC2-2
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63349
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YUNYAO-1 48
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3.442
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0.242, 2.695, -2.127
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9.4035
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2025-04-03 20:47:56.564
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25262
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IRIDIUM 51
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63349
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YUNYAO-1 48
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2.043
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-0.152, -0.068, -2.036
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15.1402
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2025-04-03 20:49:13.526
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44952
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STARLINK-1117
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63199
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STARLINK-32931
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3.548
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3.411, 0.649, 0.727
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11.4594
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2025-04-03 20:54:17.388
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37436
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FENGYUN 1C DEB
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63172
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QIANFAN-86
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3.128
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3.119, 0.033, 0.236
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14.5782
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2025-04-03 21:08:37.785
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47863
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STARLINK-2293
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63189
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STARLINK-11639
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2.740
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-2.485, -0.856, 0.775
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10.3922
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2025-04-03 21:28:51.389
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54168
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STARLINK-5245
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63348
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YUNYAO-1 47
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4.654
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2.535, 0.996, 3.774
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14.6816
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2025-04-03 21:32:00.922
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34928
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IRIDIUM 33 DEB
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63349
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YUNYAO-1 48
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4.010
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1.899, -0.133, 3.529
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15.1758
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2025-04-03 21:45:55.691
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10261
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DELTA 1 DEB
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63304
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KINEIS-4B
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4.833
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1.076, 2.200, 4.166
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13.2768
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2025-04-03 21:51:23.758
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40358
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COSMOS 2502
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63175
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QIANFAN-89
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4.374
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4.266, -0.941, 0.214
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3.0891
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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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