msp
by lol_jedna
With msp, a rocket built from Create contraptions can leave the atmosphere under orbital physics that model gravity, drag and re-entry.
What it does
Players build vehicles from Create parts and launch them on a space program with progression through science collection and FTB Quests. Gravity fields change with altitude, and the atmosphere is simulated, so a spacecraft has to account for drag and heating when it returns. The mod handles the vehicles as spacecraft that players manage from launch to landing.
msp needs Create, Create Aeronautics, ExtraQuests [FTB Quests] and Sable to run. Client and server both need the mod, so every player on a server that runs it installs it as well. The license is MIT License, and the code is not open source. Files are published for NeoForge and 1.21.1 only, with 1.1 as the latest file in the alpha channel.
Key features
Orbital physics
Vehicles follow orbital mechanics, so trajectories depend on real-style gravity and atmospheric drag.
Dynamic gravity fields
Gravity changes with distance from the body being left or approached, which shapes every ascent and landing.
Science progression
Collecting science opens new stages of the space program, and FTB Quests tracks that progress.
Multiplayer and debug tools
Several players can take part in a shared program, and debug tools help test vehicles during development.
Compatibility
Latest build for each game version and loader.
Only full game releases are shown. This mod publishes no snapshot builds.
Requirements
Dependencies declared by the latest file for each loader.
Required 4
Use cases
Building a launch vehicle
Players assemble a rocket from Create contraptions and send it on a flight that depends on the physics the mod simulates.
Following a space program
Science collection and quest milestones give a campaign a sequence of goals, from early flights to longer missions.
Who it’s for: Players who already use Create and want spaceflight that follows orbital mechanics rather than fixed arcs, and server owners who run FTB Quests campaigns on NeoForge 1.21.1.
How it compares
Aero Science Program is a NeoForge mod for 1.21.1 that is open source under the MIT License and runs on client and server, which makes it the closest match in the alternatives. Create: Northstar-Aeronautics Compatibility is a NeoForge mod for 1.21.1 under the MIT License, also run on client and server, but it is a compatibility layer and is not open source. Orbital Staff covers Fabric and NeoForge for 1.21.8 – 1.21.11 under All rights reserved, so it targets newer versions than msp.
| Mod | Loaders | Game versions | Environment | Updated |
|---|---|---|---|---|
| msp | NeoForge | 1.21.1 | Client and server | 2026-08-09 |
| Aero Science Program | NeoForge | 1.21.1 | Client and server | 2026-07-30 |
| Create: Northstar-Aeronautics Compatibility | NeoForge | 1.21.1 | Client and server | 2026-07-15 |
| Orbital Staff | Fabric and NeoForge | 1.21.8 – 1.21.11 | Client and server | 2026-06-01 |
Questions
Does msp need Create Aeronautics?
Do servers need msp installed?
Which game versions does msp support?
In the catalog
msp is one of 8,499 Technology mods on ModsFinder, and one of 3,557 Technology mods for NeoForge. 32,366 mods support Minecraft 1.21.1.
Similar mods
What the author says
Bring Kerbal Space Program–inspired spaceflight to Minecraft. KSP Mod adds realistic orbital mechanics, gravity simulation, vessel management, science progression, and Create integration to create a true space exploration experience.
Official listing
- Modrinth page
- modrinth.com/mod/msp
- Owner
- lol_jedna
- Published
- 2026-08-06
- Updated on Modrinth
- 2026-08-09
- Facts verified
- 2026-10-15