Forecast of Conjunctions: 50 Latest Payloads vs. All (32410) 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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2026-11-05 14:16:46.521
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44408
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MOMENTUS-X1
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101225
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STARLINK-38486
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1.047
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-0.098, -0.124, 1.035
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15.3158
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2026-11-05 15:02:04.429
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44408
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MOMENTUS-X1
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101224
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STARLINK-38488
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4.441
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4.258, 0.147, 1.254
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15.3119
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2026-11-05 15:04:41.451
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69593
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KUIPER-00428
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101257
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QPS-SAR-20
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3.027
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2.731, 0.980, -0.863
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10.0287
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2026-11-05 17:17:54.024
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68828
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COSMOS 2617
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101253
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STARLINK-38431
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4.078
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-3.699, 1.422, -0.962
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8.6345
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2026-11-05 18:10:35.327
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101163
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STARLINK-38392
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101215
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STARLINK-38337
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3.270
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2.282, -1.073, -2.081
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13.7169
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2026-11-05 18:12:35.861
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45567
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STARLINK-1361
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101240
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STARLINK-38458
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4.382
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4.157, -0.687, -1.204
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13.4490
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2026-11-05 19:33:42.819
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68828
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COSMOS 2617
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101253
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STARLINK-38431
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1.120
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0.962, -0.474, -0.322
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8.6608
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2026-11-05 19:52:45.682
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44349
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FORMOSAT7-1/COSMIC2-1
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101257
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QPS-SAR-20
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0.638
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0.047, 0.611, -0.177
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4.2237
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2026-11-05 20:19:51.356
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44408
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MOMENTUS-X1
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101223
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STARLINK-38481
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2.501
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1.726, -0.208, 1.798
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15.3212
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2026-11-05 20:27:10.741
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101163
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STARLINK-38392
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101215
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STARLINK-38337
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4.784
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2.108, -1.963, 3.819
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13.7034
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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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