🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.34 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.68 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.74

Radius: 1.86

Gravity: 1.37 G

Time & Orbit

Eccentricity (e): 0.112

Orbit Range: 0.6 AU - 0.76 AU

Year: 212 Days

Day: 41.9 Hours

Environment

Temp: 146 °C

Axial Tilt: 5.6 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 71,776,604 km

• M1: 80,932 km (0.085 R)

Planet 2 - Terrestrial

Semi-Major Axis: 0.74 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.71

Radius: 0.87

Gravity: 0.94 G

Time & Orbit

Eccentricity (e): 0.084

Orbit Range: 0.68 AU - 0.8 AU

Year: 241 Days

Day: 30.6 Hours

Environment

Temp: 140 °C

Axial Tilt: 15.6 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 71,776,604 km

• M1: 121,025 km (0.12 R)

Planet 3 - Terrestrial

Semi-Major Axis: 1.54 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.17

Radius: 1.59

Gravity: 1.25 G

Time & Orbit

Eccentricity (e): 0.16

Orbit Range: 1.29 AU - 1.79 AU

Year: 724 Days

Day: 17 Hours

Environment

Temp: -60 °C

Axial Tilt: 59.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 71,776,604 km

• M1: 61,934 km (0.099 R)

Planet 4 - Terrestrial

Semi-Major Axis: 2.89 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.96

Radius: 1.54

Gravity: 1.25 G

Time & Orbit

Eccentricity (e): 0.159

Orbit Range: 2.43 AU - 3.35 AU

Year: 1861 Days

Day: 13.8 Hours

Environment

Temp: -114 °C

Axial Tilt: 22.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Gas Giant

Semi-Major Axis: 5.09 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 45.7

Radius: 12.6

Gravity: 0.29 G

Time & Orbit

Eccentricity (e): 0.176

Orbit Range: 4.19 AU - 5.99 AU

Year: 4349 Days

Day: 13.8 Hours

Environment

Temp: -144 °C

Axial Tilt: 27.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 71,776,604 km

• M1: 161,566 km (0.057 R)
• M2: 555,756 km (0.049 R)
• M3: 2,716,099 km (0.104 R)
• M4: 3,248,667 km (0.112 R)
• M5: 4,986,845 km (0.114 R)
• M6: 6,312,731 km (0.109 R)
• M7: 8,204,845 km (0.077 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.39 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 520

Radius: 12.2

Gravity: 3.49 G

Time & Orbit

Eccentricity (e): 0.096

Orbit Range: 4.87 AU - 5.91 AU

Year: 4739 Days

Day: 9.1 Hours

Environment

Temp: -152 °C

Axial Tilt: 17.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 71,776,604 km

• M1: 151,692 km (0.11 R)
• M2: 643,570 km (0.091 R)
• M3: 1,084,285 km (0.087 R)
• M4: 1,545,346 km (0.12 R)
• M5: 1,959,882 km (0.109 R)
• M6: 2,464,924 km (0.117 R)
• M7: 3,056,284 km (0.067 R)
• M8: 3,976,012 km (0.111 R)
• M9: 4,359,731 km (0.052 R)
• M10: 7,923,750 km (0.112 R)
• M11: 8,646,308 km (0.12 R)
• M12: 9,412,399 km (0.054 R)
• M13: 11,435,560 km (0.088 R)
• M14: 12,217,209 km (0.051 R)
• M15: 13,231,632 km (0.088 R)
• M16: 14,093,167 km (0.073 R)
• M17: 14,937,796 km (0.086 R)
• M18: 15,372,677 km (0.113 R)
• M19: 16,612,395 km (0.11 R)
• M20: 17,615,000 km (0.094 R)
• M21: 21,068,616 km (0.075 R)
• M22: 25,331,856 km (0.079 R)
• M23: 25,951,042 km (0.035 R)

Planet 7 - Gas Giant

Semi-Major Axis: 6.13 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 165

Radius: 8

Gravity: 2.58 G

Time & Orbit

Eccentricity (e): 0.127

Orbit Range: 5.35 AU - 6.91 AU

Year: 5748 Days

Day: 14.3 Hours

Environment

Temp: -158 °C

Axial Tilt: 12.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 71,776,604 km

• M1: 103,223 km (0.062 R)
• M2: 574,456 km (0.081 R)
• M3: 1,155,793 km (0.045 R)
• M4: 1,482,814 km (0.107 R)
• M5: 2,070,734 km (0.107 R)
• M6: 2,382,944 km (0.102 R)
• M7: 2,951,416 km (0.064 R)
• M8: 3,348,449 km (0.092 R)
• M9: 3,683,698 km (0.104 R)
• M10: 4,509,478 km (0.102 R)
• M11: 5,061,046 km (0.097 R)
• M12: 5,403,176 km (0.057 R)
• M13: 6,694,654 km (0.063 R)
• M14: 7,983,739 km (0.051 R)
• M15: 8,895,239 km (0.038 R)
• M16: 9,321,892 km (0.07 R)
• M17: 11,747,472 km (0.048 R)
• M18: 12,304,724 km (0.108 R)
• M19: 12,789,870 km (0.114 R)
• M20: 13,940,128 km (0.071 R)
• M21: 14,908,774 km (0.075 R)
• M22: 19,176,353 km (0.079 R)
• M23: 20,373,285 km (0.081 R)

Planet 8 - Ice Giant

Semi-Major Axis: 13.06 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 719.8

Radius: 6.2

Gravity: 18.73 G

Time & Orbit

Eccentricity (e): 0.227

Orbit Range: 10.1 AU - 16.02 AU

Year: 17876 Days

Day: 23.4 Hours

Environment

Temp: -195 °C

Axial Tilt: 17.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 71,776,604 km

• M1: 77,193 km (0.084 R)
• M2: 324,029 km (0.053 R)
• M3: 584,628 km (0.076 R)
• M4: 851,062 km (0.052 R)
• M5: 1,322,744 km (0.115 R)
• M6: 1,535,921 km (0.064 R)
• M7: 2,426,627 km (0.059 R)
• M8: 3,339,324 km (0.104 R)
• M9: 5,542,452 km (0.072 R)
• M10: 7,056,083 km (0.072 R)
• M11: 8,105,961 km (0.088 R)
• M12: 8,616,239 km (0.116 R)
• M13: 8,826,125 km (0.078 R)
• M14: 9,756,923 km (0.114 R)
• M15: 12,268,222 km (0.114 R)
• M16: 14,727,910 km (0.071 R)
• M17: 15,797,685 km (0.106 R)
• M18: 16,351,496 km (0.03 R)
• M19: 16,592,797 km (0.06 R)
• M20: 22,423,374 km (0.104 R)
• M21: 23,223,723 km (0.085 R)
• M22: 28,084,158 km (0.067 R)
• M23: 28,314,688 km (0.086 R)
• M24: 29,131,493 km (0.112 R)
• M25: 31,551,537 km (0.096 R)
• M26: 47,781,560 km (0.092 R)
• M27: 49,775,849 km (0.114 R)
• M28: 50,282,986 km (0.113 R)
• M29: 56,456,591 km (0.072 R)
• M30: 61,550,398 km (0.069 R)
• M31: 63,710,741 km (0.096 R)
• M32: 71,776,610 km (0.107 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: 494 - 14,338 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit