Something I idly worked on for a while. I figure, what with the Trekkies now having actual planets to explore and catalog, they'd need a better version of the PCI that was presented in Star Trek: Star Charts.
It still has some holes in it, so be free to make suggestions for inclusion or altering.
~
{Planet Name} = Fictional ExampleU.F.P. STARFLEET PLANETARY CLASSIFICATION INDEX (REVISED)Class A (Planetoids): Asteroids / Sub-Planets---Class A1 (Carbonaceous): more than 80 percent carbon---Class A2 (Metallic): more than 80 percent metallic---Class A3 (Silicaceous): more than 80 percent silicon---Class A4 (Cryonic-HO): more than 80 percent water-ice---Class A5 (Cryonic-CO): more than 80 percent frozen carbon dioxide---Class A6 (Cryonic-Gas): more than 80 percent frozen methane---Class A7 (Cryonic-Mix): mix of various types of icesClass B (Geomorteus): tectonic activity extreme; little/no permanent surfaceClass C: ???Class D (Geoinactive): no tectonic activity, no atmosphere---Example: Luna. MercuryClass E: ???Class F: ???Class G: ???Class H: ???Class I: ???Class J: uninhabitable rocky superterrestrials, gravity more than 2.0 G---Class J1: no atmosphere---Class J2: thick atmosphere---Class J3: thin atmosphereClass K (Adaptable):---Class K1 (Martian): tenuous atmosphere, little/no water, cold, low G------Example: Mars---Class K2: tenuous atmosphere, little/no water, hot, low G---Class K3 (Cythonnan): tenuous atmosphere, cold, low G------Example: Cythonna---Class K4: tenuous atmosphere, hot, low G---Class K5: tenuous atmosphere, water heavy, cold, low G---Class K6: tenuous atmosphere, water heavy, hot, low G---Class K7: thick-likely-vanishing atmosphere, no water, low G---Class K8 (Venusian): thick atmosphere, no water, normal G---Class K9: thin atmosphere, cold, normal G---Class K10: thin atmosphere, hot, normal G---Class K11: standard atmosphere, cold, normal G---Class K12: standard atmosphere, hot, normal GClass L (Locked): tidally-locked worlds, may have multiple Class characteristics---Class L1: tidally-locked Class Ms------Example: Gatewood (specifically Class L1/M3)---Class L2: tidally-locked Class Ns---Class L3: tidally-locked Class Os---Class L4: tidally-locked Class Ps---Class L5: tidally-locked Class Rs---Class L6: tidally-locked Class Qs---Class L7: tidally-locked Class Ys---Class L8: tidally-locked Class Zs---Class L9: tidally-locked Class Bs---Class L10: tidally-locked Class Cs---Class L11: tidally-locked Class Ds---Class L12: tidally-locked Class Ks------Example: Gliese 581g (specifically Class L12/K11)---Class L13: tidally-locked Class JsClass M (Minsharra): Terran life habitable---Class M1 (Terran): surface water between twenty and eighty percent------Example: Earth, Gallifrey---Class M2 (Oceanic): surface is eighty or more percent water------Example: Vulcan {Anpathos}---Class M3 (Desert): surface is less than twenty percent water------Example: {Gunsmoke, Tarak}Class N: superterrestrial Class Ms, gravity more than 2.0 GClass O (Pelagic): water worlds, no land---Class O1: liquid surface, rocky interior, thin atmosphere---Class O2: liquid surface, rocky interior, thick atmosphere---Class O3: liquid surface, rocky interior, standard atmosphere---Class O4 (Europan): frozen surface, liquid interior, thin atmosphere------Example: Europa, Triton---Class O5: frozen surface, liquid interior, thick atmosphere---Class O6: frozen surface, liquid interior, standard atmosphere---Class O7: liquid surface, frozen/complex ice interior, thin atmosphere---Class O8: liquid surface, frozen/complex ice interior, thick atmosphere---Class O9: liquid surface, frozen/complex ice interior, standard atmosphere------Example: Davros---Class O10: frozen surface, frozen interior, thin atmosphere---Class O11: frozen surface, frozen interior, thick atmosphere---Class O12: frozen surface, frozen interior, standard atmosphere---Class O13: frozen surface, rocky interior, thin atmosphere---Class O14: frozen surface, rocky interior, thick atmosphere---Class O15: frozen surface, rocky interior, standard atmosphereClass P (Superpelagic): superterrestrial Class Os, gravity more than 2.0 G---Class P3: frozen surface, liquid interior------Example: New AlaskaClass Q (Supercomposit): superterrestrial Class Rs, gravity more than 2.0 GClass R (Composit): worlds both rocky and icy in make-up---Example: Titan, CeresClass S (Gas Giant): gaseous planet that does not produce its own heatClass T (Gas Supergiant): gaseous planet that does produce its own heatClass U (Unique): ??? {Hecatonchires; Bizarro Earth}Class V (Living):---Example: {Mongo, Ego, Zonama Sekot}Class W: ???Class X: ???Class Y (Nonadaptable): rocky planets, has not Terran life friendly conditions---Class Y01: overabundance of heavy metals; no biosphere---Class Y02: overabundance of incompatible salts; no biosphere---Class Y03: overabundance of toxic chemicals; no biosphere---Class Y04: atmosphere nonbreathable; no biosphere---Class Y05: radiological contamination; no biosphere---Class Y06: spacetime anomalies; no biosphere---Class Y07: lacks necessary minerals---Class Y1#s: as Class Y0#s, but has a biosphere---Class Y2#s and Class Y3#: combinations of conditions of Class Y0#s---Class Y4#s and Class Y5#s: Class Y2#s and Y3#s with biosphereClass Z: superterrestrial Class Ys, gravity more than 2.0 G
Edit July 15: added Class K9 through Class K12 and Example to Class L12
It still has some holes in it, so be free to make suggestions for inclusion or altering.
~
{Planet Name} = Fictional ExampleU.F.P. STARFLEET PLANETARY CLASSIFICATION INDEX (REVISED)Class A (Planetoids): Asteroids / Sub-Planets---Class A1 (Carbonaceous): more than 80 percent carbon---Class A2 (Metallic): more than 80 percent metallic---Class A3 (Silicaceous): more than 80 percent silicon---Class A4 (Cryonic-HO): more than 80 percent water-ice---Class A5 (Cryonic-CO): more than 80 percent frozen carbon dioxide---Class A6 (Cryonic-Gas): more than 80 percent frozen methane---Class A7 (Cryonic-Mix): mix of various types of icesClass B (Geomorteus): tectonic activity extreme; little/no permanent surfaceClass C: ???Class D (Geoinactive): no tectonic activity, no atmosphere---Example: Luna. MercuryClass E: ???Class F: ???Class G: ???Class H: ???Class I: ???Class J: uninhabitable rocky superterrestrials, gravity more than 2.0 G---Class J1: no atmosphere---Class J2: thick atmosphere---Class J3: thin atmosphereClass K (Adaptable):---Class K1 (Martian): tenuous atmosphere, little/no water, cold, low G------Example: Mars---Class K2: tenuous atmosphere, little/no water, hot, low G---Class K3 (Cythonnan): tenuous atmosphere, cold, low G------Example: Cythonna---Class K4: tenuous atmosphere, hot, low G---Class K5: tenuous atmosphere, water heavy, cold, low G---Class K6: tenuous atmosphere, water heavy, hot, low G---Class K7: thick-likely-vanishing atmosphere, no water, low G---Class K8 (Venusian): thick atmosphere, no water, normal G---Class K9: thin atmosphere, cold, normal G---Class K10: thin atmosphere, hot, normal G---Class K11: standard atmosphere, cold, normal G---Class K12: standard atmosphere, hot, normal GClass L (Locked): tidally-locked worlds, may have multiple Class characteristics---Class L1: tidally-locked Class Ms------Example: Gatewood (specifically Class L1/M3)---Class L2: tidally-locked Class Ns---Class L3: tidally-locked Class Os---Class L4: tidally-locked Class Ps---Class L5: tidally-locked Class Rs---Class L6: tidally-locked Class Qs---Class L7: tidally-locked Class Ys---Class L8: tidally-locked Class Zs---Class L9: tidally-locked Class Bs---Class L10: tidally-locked Class Cs---Class L11: tidally-locked Class Ds---Class L12: tidally-locked Class Ks------Example: Gliese 581g (specifically Class L12/K11)---Class L13: tidally-locked Class JsClass M (Minsharra): Terran life habitable---Class M1 (Terran): surface water between twenty and eighty percent------Example: Earth, Gallifrey---Class M2 (Oceanic): surface is eighty or more percent water------Example: Vulcan {Anpathos}---Class M3 (Desert): surface is less than twenty percent water------Example: {Gunsmoke, Tarak}Class N: superterrestrial Class Ms, gravity more than 2.0 GClass O (Pelagic): water worlds, no land---Class O1: liquid surface, rocky interior, thin atmosphere---Class O2: liquid surface, rocky interior, thick atmosphere---Class O3: liquid surface, rocky interior, standard atmosphere---Class O4 (Europan): frozen surface, liquid interior, thin atmosphere------Example: Europa, Triton---Class O5: frozen surface, liquid interior, thick atmosphere---Class O6: frozen surface, liquid interior, standard atmosphere---Class O7: liquid surface, frozen/complex ice interior, thin atmosphere---Class O8: liquid surface, frozen/complex ice interior, thick atmosphere---Class O9: liquid surface, frozen/complex ice interior, standard atmosphere------Example: Davros---Class O10: frozen surface, frozen interior, thin atmosphere---Class O11: frozen surface, frozen interior, thick atmosphere---Class O12: frozen surface, frozen interior, standard atmosphere---Class O13: frozen surface, rocky interior, thin atmosphere---Class O14: frozen surface, rocky interior, thick atmosphere---Class O15: frozen surface, rocky interior, standard atmosphereClass P (Superpelagic): superterrestrial Class Os, gravity more than 2.0 G---Class P3: frozen surface, liquid interior------Example: New AlaskaClass Q (Supercomposit): superterrestrial Class Rs, gravity more than 2.0 GClass R (Composit): worlds both rocky and icy in make-up---Example: Titan, CeresClass S (Gas Giant): gaseous planet that does not produce its own heatClass T (Gas Supergiant): gaseous planet that does produce its own heatClass U (Unique): ??? {Hecatonchires; Bizarro Earth}Class V (Living):---Example: {Mongo, Ego, Zonama Sekot}Class W: ???Class X: ???Class Y (Nonadaptable): rocky planets, has not Terran life friendly conditions---Class Y01: overabundance of heavy metals; no biosphere---Class Y02: overabundance of incompatible salts; no biosphere---Class Y03: overabundance of toxic chemicals; no biosphere---Class Y04: atmosphere nonbreathable; no biosphere---Class Y05: radiological contamination; no biosphere---Class Y06: spacetime anomalies; no biosphere---Class Y07: lacks necessary minerals---Class Y1#s: as Class Y0#s, but has a biosphere---Class Y2#s and Class Y3#: combinations of conditions of Class Y0#s---Class Y4#s and Class Y5#s: Class Y2#s and Y3#s with biosphereClass Z: superterrestrial Class Ys, gravity more than 2.0 G
Edit July 15: added Class K9 through Class K12 and Example to Class L12