Week in Space Data, every Friday.
Slip Watch · weekly
5 launch dates slipped a day or more this week, 14.8 days in total. 2 moved earlier. 1 lost a firm date. Placeholder date rolls (13) are recorded and not counted.
Frozen edition. Published October 26, 2026; these figures will not change. Corrections, if any, are logged on /corrections.
| Mission | Provider | From, to | Kind | Move | Observed |
|---|---|---|---|---|---|
| Falcon 9 Block 5 | Starlink Group 15-21 | SpaceX | Nov 1, 2026 to Nov 10, 2026 | Slip | +8.8 d | Oct 20 |
| Long March 8A | SatNet LEO Group 28 | China Aerospace Science and Technology Corporation | Oct 22, 2026 to Oct 25, 2026 | Slip |
| Provider | Slips | Launches slipped | Days lost | Median slip | Pulled in | Same-day | Firmed | Lost a date | Placeholder rolls |
|---|---|---|---|---|---|---|---|---|---|
| SpaceX | 2 | 2 | 9.8 | 4.9 d | 1 | 11 | 0 | 0 | 8 |
| Rocket Lab | 2 |
| Provider | Flew | Scored | Within 1 day | Within 7 days | Average delay | Median delay |
|---|---|---|---|---|---|---|
| All providers | 7 | 7 | 43% | 100% | +1.4 d | +1.5 d |
| China Aerospace Science and Technology Corporation | 3 | 3 | 67% | 100% | +1 d | +0.1 d |
| Mission | Provider | From, to | Kind | Move | Observed |
|---|---|---|---|---|---|
| Falcon 9 Block 5 | Starlink Group 15-21 | SpaceX | Nov 10, 2026 to Nov 5, 2026 | Pulled in | -4.8 d | Oct 22 |
| Electron | The Sea God Surveys (iQPS Launch 9) | Rocket Lab | Nov 4, 2026 to Nov 3, 2026 | Pulled in | -1 d |
| Mission | Provider | From, to | Kind | Move | Observed |
|---|---|---|---|---|---|
| Vulcan VC6L | Amazon Leo (LV-01) | United Launch Alliance | Oct 29, 2026 to Nov 2026 | Lost its date | not a slip | Oct 24 |
Launch Library parks an undated launch at the end of a period (“NET 2026” is stored as Dec 31, 2026). When that placeholder moves, nothing was announced and nothing slipped, so these rows are listed for completeness and never counted.
| Mission | Provider | From, to | Kind | Move | Observed |
|---|---|---|---|---|---|
| Falcon Heavy | USSF-63 | SpaceX | 2027 to Dec 31, 2029 (decade precision) | Placeholder roll | not a slip | Oct 25 |
| Miura 5 | Maiden Flight |
Method v1.1: how moves are classified and launches scored. Data: Launch Library 2 (The Space Devs, a volunteer nonprofit; support them on Patreon) manifest, observed and recorded by SpaceNexus since August 29, 2026. Licence CC BY 4.0: cite “SpaceNexus Launch Ledger”. No sponsor sees or shapes this ledger (policy).
| +3 d |
| Oct 20 |
| Falcon 9 Block 5 | Bandwagon 5 (Dedicated Mid-Inclination Rideshare) | SpaceX | Oct 19, 2026 to Oct 20, 2026 | Slip | +1 d | Oct 19 |
|---|
| Electron | We're Not Hawking Around (3x HawkEye 360) | Rocket Lab | Oct 21, 2026 to Oct 22, 2026 | Slip | +1 d | Oct 21 |
|---|
| Electron | We're Not Hawking Around (3x HawkEye 360) | Rocket Lab | Oct 22, 2026 to Oct 23, 2026 | Slip | +1 d | Oct 22 |
|---|
| 1 |
| 2 |
| 1 d |
| 1 |
| 2 |
| 0 |
| 0 |
| 0 |
| China Aerospace Science and Technology Corporation | 1 | 1 | 3 | 3 d | 0 | 1 | 1 | 0 | 0 |
|---|
| Agency for Defense Development | 0 | 0 | 0 | n/a | 0 | 0 | 0 | 0 | 1 |
|---|
| Avio S.p.A | 0 | 0 | 0 | n/a | 0 | 0 | 0 | 0 | 1 |
|---|
| Galactic Energy | 0 | 0 | 0 | n/a | 0 | 1 | 0 | 0 | 0 |
|---|
| Indian Space Research Organization | 0 | 0 | 0 | n/a | 0 | 1 | 1 | 0 | 1 |
|---|
| Mitsubishi Heavy Industries | 0 | 0 | 0 | n/a | 0 | 0 | 1 | 0 | 1 |
|---|
| Payload Aerospace S.L. | 0 | 0 | 0 | n/a | 0 | 0 | 0 | 0 | 1 |
|---|
| United Launch Alliance | 0 | 0 | 0 | n/a | 0 | 0 | 0 | 1 | 0 |
|---|
| SpaceX |
|---|
| 2 |
| 2 |
| too few (2) |
| too few (2) |
| +2.3 d |
| +2.3 d |
| Galactic Energy | 1 | 1 | too few (1) | too few (1) | 0 d | 0 d |
|---|
| Rocket Lab | 1 | 1 | too few (1) | too few (1) | +2.3 d | +2.3 d |
|---|
Shares are shown once a group has 3 or more scored launches. Delay is liftoff minus the first firm date on record; negative means it flew early.
| Oct 23 |
| Payload Aerospace S.L. |
| 2026 to 2027 |
| Placeholder roll |
| not a slip |
| Oct 23 |
| Falcon 9 Block 5 | Cygnus CRS-2 NG-22 | SpaceX | 2026 to 2027 | Placeholder roll | not a slip | Oct 23 |
|---|
| Falcon 9 Block 5 | Telesat Lightspeed 2 | SpaceX | 2026 to 2027 | Placeholder roll | not a slip | Oct 23 |
|---|
| Falcon 9 Block 5 | Telesat Lightspeed 3 | SpaceX | 2026 to 2027 | Placeholder roll | not a slip | Oct 23 |
|---|
| Falcon 9 Block 5 | Telesat Lightspeed 4 | SpaceX | 2026 to 2027 | Placeholder roll | not a slip | Oct 23 |
|---|
| Falcon 9 Block 5 | Telesat Lightspeed 5 | SpaceX | 2026 to 2027 | Placeholder roll | not a slip | Oct 23 |
|---|
| Falcon 9 Block 5 | Telesat Lightspeed 6 | SpaceX | 2026 to 2027 | Placeholder roll | not a slip | Oct 23 |
|---|
| Falcon 9 Block 5 | Telesat Lightspeed 7 | SpaceX | 2026 to 2027 | Placeholder roll | not a slip | Oct 23 |
|---|
| H3-24 | Lunar Polar Exploration Mission (LUPEX) | Mitsubishi Heavy Industries | 2026 to 2028 | Placeholder roll | not a slip | Oct 23 |
|---|
| SSLV | AayulSAT-1A & others | Indian Space Research Organization | Oct 2026 to 2026 | Placeholder roll | not a slip | Oct 22 |
|---|
| Mir | Demo Flight | Agency for Defense Development | 2026 to Nov 2026 | Placeholder roll | not a slip | Oct 21 |
|---|
| Vega-C Block 2 | Space Rider | Avio S.p.A | 2028 to Q2 2028 | Placeholder roll | not a slip | Oct 21 |
|---|
| Long March 2F/G | Shenzhou 24 | China Aerospace Science and Technology Corporation | 2026 to Nov 25, 2026 | Firmed | not a slip | Oct 24 |
|---|
| GSLV Mk II | IRNSS-1L (NVS-03) | Indian Space Research Organization | Oct 2026 to Oct 30, 2026 | Firmed | not a slip | Oct 22 |
|---|
| H3 | MBR Explorer | Mitsubishi Heavy Industries | Q1 2028 to Mar 3, 2028 | Firmed | not a slip | Oct 21 |
|---|