Forecast of Conjunctions: 50 Latest Payloads vs. All (31718) 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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2026-10-02 23:26:10.108
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68373
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RASSVET-3 14
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100774
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STARLINK-38447
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3.770
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-3.731, 0.129, -0.520
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14.8898
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2026-10-02 23:55:38.614
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63190
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STARLINK-11637
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100774
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STARLINK-38447
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3.563
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-3.535, 0.358, 0.266
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9.1983
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2026-10-02 23:56:09.055
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64238
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STARLINK-11708
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100761
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STARLINK-38402
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3.641
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1.628, 3.119, 0.939
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4.4029
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2026-10-03 00:36:38.987
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100873
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STARLINK-40088
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290007
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TBA - TO BE ASSIGNED
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4.490
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-1.852, -3.001, -2.778
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10.5167
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2026-10-03 01:08:33.985
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58308
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FLOCK 4Q 33
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100874
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STARLINK-40078
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4.302
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-1.992, 2.797, 2.591
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10.5167
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2026-10-03 01:27:13.601
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63190
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STARLINK-11637
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100774
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STARLINK-38447
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3.291
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-3.226, 0.526, 0.391
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9.1836
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2026-10-03 01:27:46.648
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64238
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STARLINK-11708
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100761
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STARLINK-38402
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2.376
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1.609, 1.674, 0.506
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4.4153
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2026-10-03 02:06:38.810
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100873
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STARLINK-40088
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290007
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TBA - TO BE ASSIGNED
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2.931
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-2.180, 1.439, 1.330
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10.5283
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2026-10-03 02:58:48.719
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63190
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STARLINK-11637
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100774
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STARLINK-38447
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3.273
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-2.917, -1.192, -0.884
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9.1688
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2026-10-03 02:59:24.160
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64238
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STARLINK-11708
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100761
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STARLINK-38402
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1.648
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1.589, 0.418, 0.129
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4.4279
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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 a >1 km difference between the latest published position of a conjunction object and the position propagated from the TLE used for conjunction detection, indicating that the record may no longer be current.
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If comparison of the velocity vector and Keplerian orbital parameters from the latest published TLE with the corresponding values propagated from the TLE used for conjunction detection shows a deviation exceeding ±3× the background RMSE, indicating probable maneuvering, the following symbols identify the orbital parameter and direction of the probable change:
↑ ↓ - semimajor axis increase/decrease
↺ ↻ - inclination increase/decrease
→ ← - RAAN increase/decrease
↗ - probable maneuvering detected based on a propagated-versus-published velocity-vector difference exceeding 3× the background RMSE, while the semimajor axis, inclination, and RAAN deviations each remain within ±3× their respective background RMSEs.
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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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