🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.64 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.64

Radius: 1.22

Gravity: 1.1 G

Time & Orbit

Eccentricity (e): 0.138

Orbit Range: 0.55 AU - 0.73 AU

Year: 187 Days

Day: 30.7 Hours

Environment

Temp: 220 °C

Axial Tilt: 44.8 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.73 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.81

Radius: 0.92

Gravity: 0.96 G

Time & Orbit

Eccentricity (e): 0.064

Orbit Range: 0.68 AU - 0.78 AU

Year: 228 Days

Day: 40.1 Hours

Environment

Temp: 126 °C

Axial Tilt: 109.3 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 0.77 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.16

Radius: 0.48

Gravity: 0.69 G

Time & Orbit

Eccentricity (e): 0.137

Orbit Range: 0.66 AU - 0.88 AU

Year: 247 Days

Day: 43.3 Hours

Environment

Temp: 100 °C

Axial Tilt: 29.1 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 4 - Terrestrial

Semi-Major Axis: 1.21 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.64

Radius: 1.85

Gravity: 1.36 G

Time & Orbit

Eccentricity (e): 0.206

Orbit Range: 0.96 AU - 1.46 AU

Year: 486 Days

Day: 47.8 Hours

Environment

Temp: 11 °C

Axial Tilt: 31 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (1)

Outer Limit: 67,090,711 km

• M1: 43,084 km (0.061 R)

Planet 5 - Terrestrial

Semi-Major Axis: 3.47 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.57

Radius: 1.66

Gravity: 1.3 G

Time & Orbit

Eccentricity (e): 0.109

Orbit Range: 3.09 AU - 3.85 AU

Year: 2361 Days

Day: 29.5 Hours

Environment

Temp: -121 °C

Axial Tilt: 6.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 6.48 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 6 - Gas Giant

Semi-Major Axis: 9.49 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 229.3

Radius: 12.8

Gravity: 1.4 G

Time & Orbit

Eccentricity (e): 0.185

Orbit Range: 7.73 AU - 11.25 AU

Year: 10678 Days

Day: 6.6 Hours

Environment

Temp: -178 °C

Axial Tilt: 107.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 67,090,711 km

• M1: 159,172 km (0.119 R)
• M2: 699,968 km (0.105 R)
• M3: 1,303,895 km (0.048 R)
• M4: 1,733,989 km (0.089 R)
• M5: 2,196,546 km (0.103 R)
• M6: 2,891,727 km (0.074 R)
• M7: 4,132,192 km (0.11 R)
• M8: 4,750,331 km (0.091 R)
• M9: 5,886,078 km (0.11 R)
• M10: 7,597,627 km (0.05 R)
• M11: 8,053,751 km (0.079 R)
• M12: 8,528,126 km (0.12 R)
• M13: 10,522,116 km (0.098 R)
• M14: 14,818,866 km (0.062 R)
• M15: 15,959,849 km (0.114 R)
• M16: 20,599,627 km (0.111 R)
• M17: 24,230,816 km (0.073 R)
• M18: 25,055,100 km (0.12 R)
• M19: 27,462,878 km (0.086 R)
• M20: 29,089,755 km (0.111 R)
• M21: 30,304,190 km (0.119 R)
• M22: 31,649,374 km (0.113 R)

Planet 7 - Ice Giant

Semi-Major Axis: 14.83 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 929.8

Radius: 3.7

Gravity: 67.92 G

Time & Orbit

Eccentricity (e): 0.24

Orbit Range: 11.27 AU - 18.39 AU

Year: 20859 Days

Day: 18.2 Hours

Environment

Temp: -200 °C

Axial Tilt: 23.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 67,090,711 km

• M1: 51,162 km (0.106 R)
• M2: 259,104 km (0.106 R)
• M3: 568,023 km (0.104 R)
• M4: 781,200 km (0.044 R)
• M5: 1,258,118 km (0.095 R)
• M6: 1,415,345 km (0.058 R)
• M7: 2,478,986 km (0.088 R)
• M8: 2,857,170 km (0.078 R)
• M9: 3,186,435 km (0.105 R)
• M10: 3,571,200 km (0.053 R)
• M11: 4,539,996 km (0.076 R)
• M12: 5,104,279 km (0.061 R)
• M13: 6,190,809 km (0.074 R)
• M14: 6,646,933 km (0.094 R)
• M15: 11,943,445 km (0.087 R)
• M16: 16,595,041 km (0.098 R)
• M17: 20,584,817 km (0.113 R)
• M18: 22,960,431 km (0.042 R)
• M19: 28,617,773 km (0.113 R)
• M20: 28,991,619 km (0.076 R)
• M21: 31,965,923 km (0.114 R)
• M22: 33,183,052 km (0.114 R)
• M23: 34,290,525 km (0.086 R)
• M24: 36,142,546 km (0.066 R)
• M25: 40,983,085 km (0.099 R)
• M26: 42,579,892 km (0.078 R)
• M27: 43,557,664 km (0.104 R)
• M28: 47,270,833 km (0.039 R)
• M29: 52,109,277 km (0.117 R)
• M30: 61,921,102 km (0.032 R)
• M31: 67,698,272 km (0.044 R)
• M32: 85,093,812 km (0.115 R)
• M33: 86,383,645 km (0.107 R)

Planet 8 - Ice Giant

Semi-Major Axis: 16.45 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 316.3

Radius: 5.9

Gravity: 9.09 G

Time & Orbit

Eccentricity (e): 0.069

Orbit Range: 15.31 AU - 17.59 AU

Year: 24369 Days

Day: 18.4 Hours

Environment

Temp: -201 °C

Axial Tilt: 3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 67,090,711 km

• M1: 77,940 km (0.03 R)
• M2: 332,706 km (0.105 R)
• M3: 1,264,850 km (0.116 R)
• M4: 3,200,198 km (0.059 R)
• M5: 5,860,347 km (0.111 R)
• M6: 6,344,595 km (0.112 R)
• M7: 10,335,717 km (0.098 R)
• M8: 12,224,988 km (0.098 R)
• M9: 13,216,972 km (0.068 R)
• M10: 16,592,648 km (0.049 R)
• M11: 19,079,114 km (0.088 R)
• M12: 19,781,775 km (0.109 R)
• M13: 24,161,103 km (0.073 R)
• M14: 24,672,878 km (0.034 R)
• M15: 30,076,802 km (0.091 R)
• M16: 30,669,059 km (0.096 R)
• M17: 32,740,541 km (0.065 R)
• M18: 36,486,472 km (0.081 R)
• M19: 39,936,797 km (0.081 R)
• M20: 42,849,019 km (0.076 R)
• M21: 47,318,554 km (0.083 R)
• M22: 50,243,492 km (0.059 R)

Kuiper Belt

Range: 30 - 57 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 423 - 10,612 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit