There are 9 standard probe classes launched from starships. While these classes are primarily used for Federation / Starfleet vessels, other civilian organizations / governments use them as well. Each organization usually has tweaks to the standard classifications, these classifications apply to Solas Tempus / the Serenity Concord. Probes of this type are designed to be launched from a standard Photon Torpedo launcher, though other launch methods exist, it is similar to use existing launch technology.
Class 5 - Medium Range Reconnaissance Probe
This is a medium-range reconnaissance probe, with extended passive data-gathering and recording systems. The probe has a full autonomous mission execution and return system and is capable of atmosphere entry and soft landing. It is coated for low observability and may be modified for tactical missions with a custom sensor countermeasure package.