Soyuz TMA-18M Landing Profile
| UTC | Undock +/- | Landing +/- | Event |
|---|---|---|---|
| Soyuz Loading Complete | |||
| Communication Reconfig for Undock | |||
| Comm Checks | |||
| Soyuz Activation | |||
| 21:40:00 | -03:22:30 | Hatch Closure | |
| Interface Leak Checks | |||
| Soyuz Transfer to Autonomous Power | |||
| 01:00:00 | -00:02:30 | ISS Control to Fine Attitude Hold | |
| 01:01:00 | -00:01:30 | Command Undocking Sequence | |
| 01:02:30 | 00:00:00 | Physical Separation | |
| 01:04:10 | +00:01:40 | LVLH Snap&Hold | |
| 01:05:30 | +00:03:00 | Range: 20 Meters; Sep. Burn #1 | |
| 01:06:20 | +00:04:20 | Separation Burn #2 | |
| 02:07:00 | Sunrise at Landing Site | ||
| 03:32:43 | +02:30:43 | -0:52:44 | Deorbit Burn Duration: 4:40, dV: 128.0m/s |
| 03:37:23 | +02:34:53 | -0:48:04 | End Deorbit Burn (416.5km, 7.23km/s) |
| 03:50:18 | +02:47:48 | -0:35:09 | Equator Crossing (406.5km) |
| 03:59:59 | +02:57:29 | -0:25:28 | Module Separation (139.9km, 7.57km/s) |
| 04:02:48 | +03:00:18 | -0:22:39 | Entry Interface (100.0km, 7.62km/s) |
| 04:04:19 | +03:01:49 | -0:21:08 | Entry Guidance enabled (80.2km, 7.62km/s) |
| 04:09:13 | +03:06:43 | -0:16:14 | Peak G Load - 3.95G (31.9km, 1.89km/s) |
| 04:11:03 | +03:08:33 | -0:14:24 | Parachute Opening (10.6km, 211m/s) |
| Re-Hook to symmetric descent | |||
| Heat Shield Jettison, Port Hole Cover Sep | |||
| Hydrogen Peroxide Vent | |||
| Pressure Equalization | |||
| 04:25:26 | +03:22:56 | -0:00:01 | Soft Landing Engine Ignition |
| 04:25:27 | +03:22:57 | 00:00:00 | TOUCHDOWN |
| ~06:25 | ~+05:23 | ~+02:00 | Crew departs Landing Site |
Image: NASA
Image: TsUP/Roscosmos