🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.51 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.84

Radius: 0.93

Gravity: 0.97 G

Time & Orbit

Eccentricity (e): 0.049

Orbit Range: 0.49 AU - 0.53 AU

Year: 134 Days

Day: 29.8 Hours

Environment

Temp: 173 °C

Axial Tilt: 22.6 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 55,089,283 km

• M1: 227,090 km (0.075 R)

Planet 2 - Terrestrial

Semi-Major Axis: 0.78 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.78

Radius: 1.87

Gravity: 1.37 G

Time & Orbit

Eccentricity (e): 0.232

Orbit Range: 0.6 AU - 0.96 AU

Year: 253 Days

Day: 41.3 Hours

Environment

Temp: 159 °C

Axial Tilt: 40 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 1.42 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.82

Radius: 1.51

Gravity: 1.24 G

Time & Orbit

Eccentricity (e): 0.039

Orbit Range: 1.36 AU - 1.48 AU

Year: 621 Days

Day: 15.5 Hours

Environment

Temp: -28 °C

Axial Tilt: 24.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Terrestrial

Semi-Major Axis: 1.65 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.02

Radius: 1.56

Gravity: 1.24 G

Time & Orbit

Eccentricity (e): 0.089

Orbit Range: 1.5 AU - 1.8 AU

Year: 778 Days

Day: 22.9 Hours

Environment

Temp: -58 °C

Axial Tilt: 13.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 2.59 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.8

Radius: 1.71

Gravity: 1.3 G

Time & Orbit

Eccentricity (e): 0.015

Orbit Range: 2.55 AU - 2.63 AU

Year: 1530 Days

Day: 26.3 Hours

Environment

Temp: -99 °C

Axial Tilt: 23.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 6.35 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 6 - Gas Giant

Semi-Major Axis: 10.1 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 394

Radius: 14.8

Gravity: 1.8 G

Time & Orbit

Eccentricity (e): 0.232

Orbit Range: 7.76 AU - 12.44 AU

Year: 11783 Days

Day: 10.1 Hours

Environment

Temp: -175 °C

Axial Tilt: 1.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 55,089,283 km

• M1: 184,305 km (0.03 R)
• M2: 1,391,859 km (0.103 R)
• M3: 2,892,774 km (0.061 R)
• M4: 3,465,135 km (0.092 R)
• M5: 4,300,939 km (0.091 R)
• M6: 5,394,350 km (0.108 R)
• M7: 5,989,899 km (0.08 R)
• M8: 8,691,487 km (0.113 R)
• M9: 9,702,170 km (0.073 R)
• M10: 10,435,349 km (0.086 R)
• M11: 12,686,199 km (0.093 R)
• M12: 14,232,293 km (0.048 R)
• M13: 14,859,407 km (0.095 R)
• M14: 16,645,157 km (0.066 R)
• M15: 17,271,074 km (0.118 R)
• M16: 19,167,975 km (0.057 R)
• M17: 22,185,215 km (0.118 R)
• M18: 24,070,148 km (0.113 R)
• M19: 29,649,550 km (0.112 R)
• M20: 32,147,086 km (0.1 R)
• M21: 33,667,150 km (0.102 R)
• M22: 34,333,160 km (0.069 R)
• M23: 38,274,166 km (0.064 R)
• M24: 39,365,782 km (0.081 R)
• M25: 41,993,768 km (0.101 R)
• M26: 42,895,245 km (0.108 R)
• M27: 43,546,893 km (0.099 R)

Planet 7 - Ice Giant

Semi-Major Axis: 13.97 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 386.2

Radius: 5.5

Gravity: 12.77 G

Time & Orbit

Eccentricity (e): 0.238

Orbit Range: 10.65 AU - 17.29 AU

Year: 19168 Days

Day: 22.4 Hours

Environment

Temp: -197 °C

Axial Tilt: 24.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 55,089,283 km

• M1: 68,366 km (0.066 R)
• M2: 304,581 km (0.098 R)
• M3: 527,931 km (0.095 R)
• M4: 1,191,397 km (0.104 R)
• M5: 1,526,347 km (0.086 R)
• M6: 5,161,875 km (0.085 R)
• M7: 5,970,451 km (0.109 R)
• M8: 7,205,082 km (0.044 R)
• M9: 10,167,569 km (0.111 R)
• M10: 11,076,526 km (0.078 R)
• M11: 11,671,327 km (0.096 R)
• M12: 24,105,303 km (0.049 R)
• M13: 25,001,544 km (0.066 R)
• M14: 30,735,032 km (0.069 R)
• M15: 34,214,978 km (0.072 R)
• M16: 35,346,087 km (0.115 R)
• M17: 47,284,895 km (0.051 R)
• M18: 50,923,564 km (0.037 R)
• M19: 53,227,222 km (0.104 R)

Planet 8 - Ice Giant

Semi-Major Axis: 14.77 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 663.4

Radius: 5.4

Gravity: 22.75 G

Time & Orbit

Eccentricity (e): 0.015

Orbit Range: 14.55 AU - 14.99 AU

Year: 20837 Days

Day: 16.7 Hours

Environment

Temp: -200 °C

Axial Tilt: 44 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 55,089,283 km

• M1: 67,618 km (0.056 R)
• M2: 420,819 km (0.089 R)
• M3: 605,722 km (0.096 R)
• M4: 890,257 km (0.064 R)
• M5: 1,489,396 km (0.045 R)
• M6: 1,674,748 km (0.113 R)
• M7: 2,392,369 km (0.109 R)
• M8: 3,643,755 km (0.11 R)
• M9: 4,242,147 km (0.115 R)
• M10: 5,014,371 km (0.063 R)
• M11: 7,205,531 km (0.079 R)
• M12: 11,771,856 km (0.039 R)
• M13: 12,443,102 km (0.058 R)
• M14: 13,281,897 km (0.063 R)
• M15: 13,642,279 km (0.032 R)
• M16: 14,009,242 km (0.093 R)
• M17: 14,458,036 km (0.07 R)
• M18: 15,227,418 km (0.101 R)
• M19: 18,579,158 km (0.077 R)
• M20: 21,003,092 km (0.113 R)
• M21: 25,793,665 km (0.093 R)
• M22: 27,616,964 km (0.08 R)
• M23: 29,524,486 km (0.12 R)
• M24: 37,890,448 km (0.093 R)
• M25: 42,067,220 km (0.113 R)
• M26: 43,788,793 km (0.118 R)
• M27: 47,874,909 km (0.049 R)
• M28: 50,096,886 km (0.098 R)
• M29: 52,386,631 km (0.025 R)
• M30: 66,133,329 km (0.034 R)
• M31: 66,342,317 km (0.101 R)

Planet 9 - Ice Giant

Semi-Major Axis: 17.69 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 139.4

Radius: 7.1

Gravity: 2.77 G

Time & Orbit

Eccentricity (e): 0.044

Orbit Range: 16.91 AU - 18.47 AU

Year: 27313 Days

Day: 20.8 Hours

Environment

Temp: -205 °C

Axial Tilt: 48.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 55,089,283 km

• M1: 220,657 km (0.108 R)
• M2: 442,211 km (0.069 R)
• M3: 690,095 km (0.112 R)
• M4: 937,380 km (0.037 R)
• M5: 1,500,317 km (0.102 R)
• M6: 1,976,337 km (0.098 R)
• M7: 3,478,001 km (0.114 R)
• M8: 3,769,118 km (0.072 R)
• M9: 4,967,846 km (0.095 R)
• M10: 7,644,750 km (0.113 R)
• M11: 8,510,623 km (0.069 R)
• M12: 8,991,730 km (0.083 R)
• M13: 11,968,578 km (0.092 R)
• M14: 15,403,046 km (0.106 R)
• M15: 16,704,697 km (0.088 R)
• M16: 21,047,972 km (0.102 R)
• M17: 21,838,297 km (0.103 R)
• M18: 25,295,953 km (0.088 R)
• M19: 26,898,146 km (0.096 R)
• M20: 32,920,956 km (0.089 R)
• M21: 44,043,857 km (0.118 R)
• M22: 44,328,691 km (0.094 R)

Kuiper Belt

Range: 30 - 53 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 189 - 15,390 AU

Composition

Type: Cometary Reservoir

System's final boundary, containing trillions of icy planetesimals.

Gravitational Limit