About SSTO OP3A
What the creator says, alongside confirmed listing details.
SSTO OP3A is a community item for Kerbal Space Program listed on Steam Workshop.
SSTO OP3A It is a single-stage to orbit. 単段式軌道往還機です。 乗員 Crew: 2 乗客 Passenger: 4 貨物 Cargo: about 4t ぐらい 到達軌道高度 Orbit altitude Empty car...
Mod details
- Game
- Kerbal Space Program
- Creator
- kyou59
- Category
- Unclassified
- Published
- February 8, 2025
- Last Workshop update
- February 8, 2025
- Workshop item
- #3423636862
Screenshots
1 image from the mod listing
Timeline
Key dates from the original listing and ModOrNot's catalogue.
-
First published
The item was first published on Steam Workshop. Steam listing ↗
-
File last updated
Latest file-change date reported by Steam Workshop. Steam listing ↗
Why it ranks here
SSTO OP3A currently has 616 subscribers. Recent growth metrics are unavailable; the last calculation was 15d ago.
Metrics from 9 stored snapshots. How ModOrNot ranks mods →
Subscriber change since tracked
View change since tracked
Favorite change since tracked
Platform availability
Availability is only claimed when an official source proves it. A platform we cannot verify is shown as “Not verified” — we never assume a PC Workshop mod runs on a console.
More Kerbal Space Program mods
| Mod | Subscribers | 7d | Score |
|---|---|---|---|
| 15 | +8 | 97.8 | |
| 635 | +53 | 96.2 | |
| 726 | +61 | 95.7 | |
| 59 | +12 | 95.6 | |
| 34 | +25 | 93.4 |
Frequently asked questions
How popular is SSTO OP3A compared with other Kerbal Space Program mods?
It ranks #2,023 among 125,672 tracked active Kerbal Space Program mods by subscribers — within the top 1.61%. This is a subscriber-based position, not a quality verdict. Counts and placement can change as the catalogue updates.
Is SSTO OP3A available on PC?
The official Steam Workshop listing establishes PC distribution for Kerbal Space Program. This does not verify current downloadability or compatibility with every PC configuration. Official source ↗
When was the mod last updated?
The source listing reports February 8, 2025 as the last file update. A later comment or catalogue refresh does not mean the mod file changed. Official source ↗
What does the ModOrNot Score mean on this page?
It is a 0–100 momentum signal: 50% subscriber-growth velocity relative to mods in the same game, 20% favorite growth, 20% view growth, and 10% update recency. It is not a quality rating. A recent score is unavailable for this mod, so no estimated value is shown.
Are these the real Steam Workshop numbers?
ModOrNot stores public Steam Workshop counts from its collection runs. The totals shown here are the latest counts stored in our catalogue; changes over time are calculated from recorded observations, not invented values. They can differ from the live listing until the next collection.
How is the rank computed?
ModOrNot compares tracked active Kerbal Space Program mods by their current stored subscriber totals. Rank #1 has the most subscribers; equal totals share a rank. The rank is calculated when this page loads and can change as counts or the catalogue change.