Forecast of Conjunctions: 50 Latest Payloads vs. All (31338) 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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2026-09-22 17:37:49.401
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2828
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GGSE 4
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100693
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QIANFAN-240
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2.648
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0.832, 0.641, -2.431
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14.2992
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2026-09-22 18:19:41.431
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44408
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MOMENTUS-X1
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100617
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STARLINK-38357
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2.550
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-1.376, 1.490, -1.546
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11.1007
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2026-09-22 18:24:54.453
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66661
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OBJECT M
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100611
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PLATFORM-6
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4.489
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-4.404, -0.265, -0.832
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14.3785
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2026-09-22 18:41:53.266
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46955
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DRAGRACER 2(AUGURY)
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100626
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STARLINK-36777
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2.178
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2.089, 0.302, 0.536
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13.4236
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2026-09-22 19:10:04.900
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51984
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STARLINK-3664
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100562
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ELECTRON SECOND STAGE
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4.969
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1.159, -4.287, 2.228
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6.8534
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2026-09-22 19:15:15.407
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64299
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STARLINK-34378
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100563
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ELECTRON KICK STAGE
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4.240
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2.096, 2.724, 2.482
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10.3016
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2026-09-22 19:27:31.683
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46955
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DRAGRACER 2(AUGURY)
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100626
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STARLINK-36777
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1.838
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0.201, 0.899, -1.590
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13.3943
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2026-09-22 20:01:13.543
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65676
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STARLINK-35189
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100686
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SES MPOWER-F11
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3.150
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-2.508, 1.727, 0.806
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6.4171
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2026-09-22 20:58:48.445
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46955
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DRAGRACER 2(AUGURY)
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100626
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STARLINK-36777
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4.865
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0.091, -2.403, 4.229
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13.3789
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2026-09-22 21:15:56.805
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68692
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OBJECT B
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100563
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ELECTRON KICK STAGE
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1.618
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-1.223, 0.884, -0.584
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8.3490
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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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