Hey, so while I was walking around outside I thought up an idea for a planetary type along with a planetary condition that you might be interested in!
1. Fractured planet: A barren/something planet that has just been cracked into multiple pieces. Description: "This planet has been ruptured to the core, and into multiple pieces, by some unknown event with extremely high energy in the recent past, judging from the fact it can still be somewhat considered a planet. The complete fragmentation of the planet causes massive tectonic activity and instability, along with massive drift of the various fragments of the planet, meaning any settlement, at best, can only be considered very temporary, and at worst, is impossible to create on this hellscape. However, due to the fact that the very core of the planet is exposed, massive deposits of ores (that would otherwise be buried under massive amounts of rock) are visible and extractable. It is also possible that, due to the very exotic nature of the planet, many scientists and tourists would be drawn to the planet to study, observe, and experience the insanity of the terrain. It is unknown for how long it will take for the crust and mantle to drift away, even with the (waning) gravitational force of the core." Can only appear in systems with black holes, sigma worlds (from DME), neutron stars, or any result of a nova/whatever.
Planet is guaranteed to have ultra rich ore and ultra rich rare ore deposits, and maybe some volatiles. Guaranteed to have extreme tectonic activity, thin/no atmosphere, etc.
Market condition (Fragmented): "This planet has been cracked into multiple pieces, causing massive tectonic activity and instability. Due to the massively unstable nature of the planet itself, extreme precautions must be made to prevent the very ground under any colonies from cracking and drifting away from one another. However, the fragmentation reveals massive ore deposits sufficient for extraction, and provides an excellent source of scientific research and experiments, as well as a site for thrill-seekers to enjoy, and perhaps die on." +50% hazard rating, +(some number)% population growth, maybe some bonus to the income from population and infrastructure?
2. Market condition (Pre-collapse defense satellites)/(Derelict defense satellites), revealed on preliminary survey: :Innumerable small defense satellites, appearing to originate from the pre-collapse era, orbit this planet. Armed with multiple long-ranged point-defense weapons and missiles and long-ranged anti-ship weaponry, these satellites are able to protect the planet not only from bombardment, but from invasion as well. They are calibrated to only fire apon ships that match a whitelisted batch of ships and signals, however it appears the calibration systems are outdated and damaged from the ever-steady cosmic radiation and micro-meteorite impacts, meaning incoming ships must take extra precautions to prevent being fired apon, and calibration officers are necessary to manually designate the target status of certain ships.
The satellites are placed in an orbit parallel to the standard orbit of a modern space station, meaning it is possible to calibrate the satellites in such a way that they will provide defensive reinforcement for the station, and any ships around it." Quite rare. Will cause the planet to appear to have vast ruins in orbit.
Effects: +(some number or percent) defense rating, -10% accessibility (or whatever number is good), stations now have a number of derelict satellites with no (or weak) thrusters, an inefficient omni-shield, a very long-ranged ballistic HE/kinetic/fragmentation cannon, 2 very long-ranged ballistic PD rifles, and 1-2 long-ranged PD missle silos. They spawn more at the bottom side of the map, at the left and right, so they can actually shoot at any enemies. They have moderately heavy armor and hull.
I haven't entirely thought them out, but if you're interested, feel free to flesh them out!