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Ore Security Class
Overview
The types of ore that can be found in a system's asteroid belts are determined by a code called the security class of the system. You can't find out a system's security class directly in-game, but the value is present in the Eve database dumps. In 0.0, you can deduce a system's security class from the region it is in, and the truesec of the system.
The security class is a letter from A to J, optionally followed by a number from 1 to 7. For example, Jita is a class “A” system, and S-U8A4 is class “J2”. Generally, the higher the number, the better the ore.
Ores in 0.0
The security class is most useful in 0.0 regions, since the whole region will have the same letter code, and the following number is then determined by the truesec of the system.
Security Class Letter
The following table shows the security class letter used for 0.0 regions:
| Class letter | Region |
|---|---|
| F | Detorid, Cache, Insmother, Impass, Feythabolis, Tenerifis, Omist |
| G | Stain, Esoteria, Querious, Paragon Soul, Delve, Period Basis |
| H | Vale Of The Silent, Tribute, Venal, Geminate, Deklein, Tenal, Branch |
| I | Wicked Creek, Scalding Pass, Great Wildlands, Curse, Catch, Immensea, Providence |
| J | Pure Blind, Syndicate, Fade, Cloud Ring, Outer Ring, Fountain |
| K | Cobalt Edge, Perrigen Falls, Malpais, Oasa, The Kalevala Expanse, Outer Passage, Etherium Reach, The Spire |
Security Class Number
And this table shows the relation between the truesec and the security class number:
| Class number | Truesec range |
|---|---|
| None | 0.00 — -0.25 |
| 1 | -0.35 — -0.25 |
| 2 | -0.45 — -0.35 |
| 3 | -0.55 — -0.45 |
| 4 | -0.65 — -0.55 |
| 5 | -0.75 — -0.65 |
| 6 | -0.85 — -0.75 |
| 7 | -1.00 — -0.85 |
For instance, Syndicate has a security class letter of “J”, and S-U8A4, with a truesec of -0.446, thus has a security class of “J2”.
Ore Class Letter
This table shows the abbreviation used for Ore
| Ore Letter | Ore |
|---|---|
| V | Veldpsar |
| Sc | Scordite |
| Py | Pyroxeres |
| Pl | Plagioclase |
| J | Jaspet |
| G | Gneiss |
| K | Kernite |
| O | Omber |
| DO | Dark Ochre |
| C | Crokite |
| B | Bistot |
| M | Mercoxit |
| A | Arkonor |
| Sp | Spodumain |
| Hm | Hemorphite |
| Hd | Hedbergite |
Ore Spawn Location
The actual ores which will spawn are given by this table:
| Security Class | F | G | H | I | J | K |
|---|---|---|---|---|---|---|
| Base | V, Sc, Hd, Hm, O | V, Sc, Pl, O, K | V, Sc, Py, Hm, J | V, Sc, Hd, Hm, O | V, Sc, Py, Pl, J | V, Sc, Hd, Hm, O |
| 1 | Sp | G | Hd | J | DO | DO |
| 2 | G | Py | DO | Sp | C | Sp |
| 3 | B | Sp | K | G | B | C |
| 4 | A | B | C | DO | Hm | B |
| 5 | Py | C | Sp | A | Hd | A |
| 6 | M | M | M | M | M | M |
| 7 | Pl | DO | B | K | A | G |
Going down each column, all ores present in the class above also spawn. For instance, J systems spawn Veldspar, Scordite, Pyroxeres, Plagioclase, and Jaspet. J1 systems have all of those, plus Dark Ochre. J2 systems have everything in “J1” systems, plus Crokite, and so on.
Ores in Empire
Security class letters A-E are used in empire regions, and systems in the same region may have different letter classes, which makes them less useful.
Empire Security Letters
The range of values found in the game are:
| Security class | Truesec range | Ores present |
|---|---|---|
| A | 0.95 - 1.00 | V, Sc |
| B | 0.75 - 0.95 | V, Sc, Py |
| B* | 0.75 - 0.95 | V. Sc, Pl |
| B1 | 0.45 - 0.75 | V, Sc, Py, K |
| B2 | 0.25 - 0.45 | V, Sc, Py, K, J |
| B3 | 0.00 - 0.25 | V, Sc, Py, K, J, Hm |
| C | 0.45 - 0.75 | V, Sc, Pl, Py |
| C1 | 0.25 - 0.45 | V, Sc, Pl, Py, K |
| C2 | 0.00 - 0.25 | V, Sc, Pl, Py, K, Hd |
| D | 0.75 - 0.95 | V, Sc, Pl |
| D1 | 0.45 - 0.75 | V, Sc, Pl, O |
| D2 | 0.25 - 0.45 | V, Sc, Pl, O, J |
| D3 | 0.00 - 0.25 | V, Sc, Pl, O, J, Hm |
| E | 0.25 - 0.45 | V, Sc, Pl, O, K |
| E1 | 0.00 - 0.25 | V, Sc, Pl, O, K, Hd |
B class systems in Gallente space (shown as B* here) have Plagioclase, instead of Pyroxeres. They should probably be flagged as D class, but aren't shown this way in the database.
Empire Security Classes
This table shows the system security classes present in each empire region:
| Region | Security classes |
|---|---|
| Tash-Murkon, Domain, Kor-Azor, Genesis | A, B-B3 |
| Derelik, Devoid, The Bleak Lands, Khanid, Kador, Aridia | B - B3 |
| The Forge, Lonetrek | A, B, C-C2 |
| The Citadel | A, B, C, C1 |
| Sinq Laison, Everyshore, Essence, Verge Vendor | A, B*, D1-D3 |
| Solitude, Placid | B*, D1-D3 |
| Heimatar, Metropolis | A, D, D1, E, E1 |
| Molden Heath | D, D1, E, E1 |
Simplified Empire Ore Map
