Forecast of Conjunctions: 100 Latest Payloads vs. All (27018) 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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2025-04-05 09:06:17.939
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54160
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STARLINK-5233
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63346
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YUNYAO-1 45
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3.993
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2.648, -1.310, 2.687
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13.6452
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2025-04-05 09:13:58.265
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54170
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STARLINK-5155
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63346
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YUNYAO-1 45
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2.863
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-2.149, -0.517, 1.820
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14.6274
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2025-04-05 09:35:51.553
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30119
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FENGYUN 1C DEB
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63174
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QIANFAN-88
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4.731
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3.736, -1.276, 2.608
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13.3208
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2025-04-05 09:40:07.089
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36234
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FENGYUN 1C DEB
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63167
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QIANFAN-81
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0.881
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0.857, 0.059, -0.196
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14.4508
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2025-04-05 09:50:52.499
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1959
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TITAN 3C TRANSTAGE DEB
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63179
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PUNCH-WFI01
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4.926
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4.891, -0.264, -0.523
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13.3786
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2025-04-05 09:51:38.449
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53841
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STARLINK-4750
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63348
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YUNYAO-1 47
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4.943
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-4.474, 1.344, 1.615
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11.6527
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2025-04-05 09:54:06.347
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50191
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STARLINK-3273
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63347
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YUNYAO-1 46
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3.253
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-3.246, -0.178, -0.130
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9.0302
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2025-04-05 09:56:27.005
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53704
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STARLINK-4714
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63345
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YUNYAO-1 44
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4.929
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-1.971, 3.857, 2.353
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7.8985
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2025-04-05 10:02:35.579
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51873
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STARLINK-3582
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63348
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YUNYAO-1 47
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2.861
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2.290, -0.448, -1.655
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14.6597
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2025-04-05 10:07:41.131
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35616
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IRIDIUM 33 DEB
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63179
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PUNCH-WFI01
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4.961
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-4.813, 0.075, -1.199
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15.0440
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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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