🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.48 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.96 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.35

Radius: 1.62

Gravity: 1.28 G

Time & Orbit

Eccentricity (e): 0.109

Orbit Range: 0.86 AU - 1.06 AU

Year: 411 Days

Day: 46.8 Hours

Environment

Temp: -64 °C

Axial Tilt: 96.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 47,754,146 km

• M1: 556,504 km (0.086 R)

Planet 2 - Terrestrial

Semi-Major Axis: 1.1 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.36

Radius: 1.41

Gravity: 1.19 G

Time & Orbit

Eccentricity (e): 0.122

Orbit Range: 0.97 AU - 1.23 AU

Year: 504 Days

Day: 23.2 Hours

Environment

Temp: -75 °C

Axial Tilt: 45.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Terrestrial

Semi-Major Axis: 1.88 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.76

Radius: 1.87

Gravity: 1.36 G

Time & Orbit

Eccentricity (e): 0.165

Orbit Range: 1.57 AU - 2.19 AU

Year: 1125 Days

Day: 17.5 Hours

Environment

Temp: -113 °C

Axial Tilt: 10.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 47,754,146 km

• M1: 256,261 km (0.095 R)

Planet 4 - Terrestrial

Semi-Major Axis: 2.28 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.12

Radius: 0.43

Gravity: 0.65 G

Time & Orbit

Eccentricity (e): 0.214

Orbit Range: 1.79 AU - 2.77 AU

Year: 1503 Days

Day: 35.8 Hours

Environment

Temp: -123 °C

Axial Tilt: 38.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 47,754,146 km

• M1: 184,903 km (0.046 R)

Planet 5 - Terrestrial

Semi-Major Axis: 2.46 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.91

Radius: 1.3

Gravity: 1.13 G

Time & Orbit

Eccentricity (e): 0.102

Orbit Range: 2.21 AU - 2.71 AU

Year: 1684 Days

Day: 18.1 Hours

Environment

Temp: -128 °C

Axial Tilt: 22.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 3.48 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 6 - Gas Giant

Semi-Major Axis: 4.5 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 106.7

Radius: 14.7

Gravity: 0.49 G

Time & Orbit

Eccentricity (e): 0.067

Orbit Range: 4.2 AU - 4.8 AU

Year: 4167 Days

Day: 14.9 Hours

Environment

Temp: -175 °C

Axial Tilt: 48.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 47,754,146 km

• M1: 182,809 km (0.103 R)
• M2: 679,474 km (0.096 R)
• M3: 1,434,644 km (0.069 R)
• M4: 2,585,201 km (0.077 R)
• M5: 3,070,945 km (0.099 R)
• M6: 4,012,664 km (0.08 R)
• M7: 4,669,398 km (0.097 R)
• M8: 5,641,485 km (0.117 R)
• M9: 6,345,493 km (0.053 R)
• M10: 8,723,800 km (0.11 R)
• M11: 9,473,285 km (0.098 R)
• M12: 10,265,406 km (0.102 R)
• M13: 11,030,001 km (0.102 R)
• M14: 13,759,264 km (0.102 R)
• M15: 14,261,614 km (0.103 R)

Planet 7 - Ice Giant

Semi-Major Axis: 9.69 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 987.1

Radius: 4

Gravity: 61.69 G

Time & Orbit

Eccentricity (e): 0.051

Orbit Range: 9.2 AU - 10.18 AU

Year: 13168 Days

Day: 21.9 Hours

Environment

Temp: -191 °C

Axial Tilt: 48.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 47,754,146 km

• M1: 50,115 km (0.05 R)
• M2: 517,010 km (0.086 R)
• M3: 669,002 km (0.057 R)
• M4: 809,923 km (0.074 R)
• M5: 1,431,203 km (0.087 R)
• M6: 1,618,499 km (0.101 R)
• M7: 2,836,376 km (0.103 R)
• M8: 3,006,917 km (0.084 R)
• M9: 4,178,269 km (0.094 R)
• M10: 5,854,662 km (0.115 R)
• M11: 6,051,683 km (0.083 R)
• M12: 9,454,585 km (0.102 R)
• M13: 11,463,834 km (0.054 R)
• M14: 11,960,051 km (0.059 R)
• M15: 13,061,689 km (0.113 R)
• M16: 15,464,829 km (0.093 R)
• M17: 15,614,876 km (0.027 R)
• M18: 17,898,787 km (0.095 R)
• M19: 19,510,255 km (0.119 R)
• M20: 20,216,806 km (0.109 R)
• M21: 27,689,219 km (0.069 R)
• M22: 28,580,673 km (0.107 R)
• M23: 32,583,763 km (0.106 R)
• M24: 35,754,639 km (0.085 R)
• M25: 48,544,808 km (0.108 R)
• M26: 50,990,883 km (0.107 R)
• M27: 59,920,530 km (0.092 R)
• M28: 62,542,232 km (0.099 R)

Planet 8 - Ice Giant

Semi-Major Axis: 12.97 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 162.9

Radius: 3.9

Gravity: 10.71 G

Time & Orbit

Eccentricity (e): 0.131

Orbit Range: 11.27 AU - 14.67 AU

Year: 20392 Days

Day: 19 Hours

Environment

Temp: -214 °C

Axial Tilt: 119.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 47,754,146 km

• M1: 48,470 km (0.118 R)
• M2: 447,597 km (0.11 R)
• M3: 584,628 km (0.109 R)
• M4: 977,024 km (0.107 R)
• M5: 1,248,544 km (0.067 R)
• M6: 1,686,118 km (0.11 R)
• M7: 1,940,135 km (0.073 R)
• M8: 2,368,284 km (0.063 R)
• M9: 3,033,546 km (0.109 R)
• M10: 3,264,824 km (0.112 R)
• M11: 9,796,566 km (0.059 R)
• M12: 10,560,413 km (0.117 R)
• M13: 12,205,840 km (0.072 R)
• M14: 13,577,503 km (0.108 R)
• M15: 17,780,455 km (0.079 R)
• M16: 18,606,834 km (0.119 R)
• M17: 18,836,616 km (0.069 R)
• M18: 20,661,261 km (0.068 R)
• M19: 24,018,686 km (0.117 R)
• M20: 29,242,494 km (0.1 R)
• M21: 31,571,284 km (0.114 R)
• M22: 35,643,787 km (0.065 R)
• M23: 38,793,421 km (0.062 R)
• M24: 43,993,443 km (0.08 R)
• M25: 44,948,625 km (0.057 R)

Kuiper Belt

Range: 30 - 50 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 174 - 11,835 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit