I know it's realistic, but having your lander randomly fail and smash you into the ground is just about the least fun mechanic I could possibly think of.
It's too divorced from the player to be fun - I have no influence over it other than paying over the odds to hope my new $2500k rover doesn't crater.
It's essentially a random death, and I can't think of a game where that was ever fun.
Suggestion: Either remove the risk of crashing on landing, or give the player an "active" way of avoiding it. This portion would have to diverge from realism in the name of fun, though.
Maybe you could have a QTE as the engineers try to "quickly regain control" of the craft, or something like "Guidance failure, take manual control!" and have the player guide the craft down. Perhaps cash invested could make this section easier. If the player fails, then the lander would crash into the ground.
Or since this is a fictional private company, perhaps they could have some kind of "insurance" on the landers?
Whatever happens, randomly killing the player and potentially their whole space program is not rewarding, it doesn't create any tension (since the player has no control over it) and it's not fun. I don't imagine any of the solutions would be particularly realistic, but I think it may be worth it in the name of fun.