Orion 2
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| Orion 2 | |||||||||
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| Pattern type | Tagalong Spaceship | ||||||||
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| Number of cells | 32 | ||||||||
| Bounding box | 13 × 13 | ||||||||
| Direction | Diagonal | ||||||||
| Period | 4 (mod: 2) | ||||||||
| Speed | c/4 | c/4 | ||||||||
| Heat | 25.0 | ||||||||
| Kinetic symmetry | n/e | ||||||||
| Discovered by | Jason Summers | ||||||||
| Year of discovery | 1999 | ||||||||
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Orion 2 is a c/4 diagonal spaceship that was found by Jason Summers in May 1999. It consists of a glider plus a tagalong and is a smaller variant of Orion. At the time of its discovery, it superseded Canada goose as the smallest diagonal spaceship other than the glider; this title has since been taken by crab, which was confirmed to be the second smallest period-4 c/4 diagonal spaceship in October 2025.[1]
On January 10, 2022, Goldtiger997 completed a 74-glider recipe for the Orion 2, making in the fifth c/4 diagonal spaceship (excluding the glider itself) to have a known glider synthesis.[2] By May 2026, the cost was down to 54 gliders when on May 11, 2026, May13 reduced the cost to 31 gliders.[3]
See also
References
- ↑ Matthias Merzenich (October 5, 2025). Re: Spaceship Discussion Thread (discussion thread) at the ConwayLife.com forums
- ↑ Goldtiger997 (January 10, 2022). Re: Small Spaceship Syntheses (discussion thread) at the ConwayLife.com forums
- ↑ May13 (May 11, 2026). Re: Small Spaceship Syntheses (discussion thread) at the ConwayLife.com forums
External links
- 32P4H1V1.1 at Heinrich Koenig's Game of Life Object Catalogs
Categories:
- Patterns
- Spaceships with 32 cells
- Periodic objects with minimum population 32
- Patterns with 32 cells
- Patterns found by Jason Summers
- Patterns found in 1999
- Patterns that can be constructed with 31 gliders
- Spaceships
- Tagalongs
- Spaceships with period 4
- Diagonal spaceships
- Spaceships with speed c/4
- Spaceships with unsimplified speed c/4
- Spaceships with heat 25
- Spaceships with mod 2
- Spaceships with n/e symmetry