🌌 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: 0.95 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.44

Radius: 1.43

Gravity: 1.19 G

Time & Orbit

Eccentricity (e): 0.146

Orbit Range: 0.81 AU - 1.09 AU

Year: 205 Days

Day: 20.6 Hours

Environment

Temp: 485 °C

Axial Tilt: 17.3 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 129,435,028 km

• M1: 33,360 km (0.114 R)

Planet 2 - Terrestrial

Semi-Major Axis: 1.05 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.2

Radius: 1.78

Gravity: 1.33 G

Time & Orbit

Eccentricity (e): 0.17

Orbit Range: 0.87 AU - 1.23 AU

Year: 238 Days

Day: 24.2 Hours

Environment

Temp: 477 °C

Axial Tilt: 21.1 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 6.15 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.92

Radius: 0.97

Gravity: 0.98 G

Time & Orbit

Eccentricity (e): 0.224

Orbit Range: 4.77 AU - 7.53 AU

Year: 3378 Days

Day: 25.4 Hours

Environment

Temp: 24 °C

Axial Tilt: 3.8 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 4 - Terrestrial

Semi-Major Axis: 21.61 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.45

Radius: 1.43

Gravity: 1.2 G

Time & Orbit

Eccentricity (e): 0.16

Orbit Range: 18.15 AU - 25.07 AU

Year: 22248 Days

Day: 13.7 Hours

Environment

Temp: -130 °C

Axial Tilt: 15.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Ice Giant

Semi-Major Axis: 31.51 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 879

Radius: 3.6

Gravity: 67.82 G

Time & Orbit

Eccentricity (e): 0.098

Orbit Range: 28.42 AU - 34.6 AU

Year: 39172 Days

Day: 24.6 Hours

Environment

Temp: -152 °C

Axial Tilt: 33.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (38)

Outer Limit: 129,435,028 km

• M1: 44,730 km (0.118 R)
• M2: 194,627 km (0.102 R)
• M3: 455,825 km (0.106 R)
• M4: 594,951 km (0.03 R)
• M5: 1,209,200 km (0.11 R)
• M6: 1,330,673 km (0.093 R)
• M7: 2,345,246 km (0.119 R)
• M8: 2,885,145 km (0.107 R)
• M9: 4,610,606 km (0.104 R)
• M10: 5,357,997 km (0.066 R)
• M11: 6,652,019 km (0.092 R)
• M12: 6,922,791 km (0.111 R)
• M13: 8,140,817 km (0.058 R)
• M14: 9,226,000 km (0.099 R)
• M15: 10,260,619 km (0.107 R)
• M16: 11,601,165 km (0.069 R)
• M17: 12,313,401 km (0.045 R)
• M18: 19,090,783 km (0.117 R)
• M19: 22,045,191 km (0.114 R)
• M20: 28,133,076 km (0.096 R)
• M21: 32,091,286 km (0.049 R)
• M22: 34,122,826 km (0.108 R)
• M23: 35,578,562 km (0.098 R)
• M24: 35,742,821 km (0.092 R)
• M25: 46,944,410 km (0.066 R)
• M26: 51,211,689 km (0.113 R)
• M27: 55,730,293 km (0.119 R)
• M28: 57,293,591 km (0.1 R)
• M29: 59,577,202 km (0.103 R)
• M30: 66,044,468 km (0.082 R)
• M31: 80,633,701 km (0.098 R)
• M32: 84,955,135 km (0.087 R)
• M33: 92,186,397 km (0.049 R)
• M34: 95,316,732 km (0.114 R)
• M35: 98,840,959 km (0.104 R)
• M36: 102,119,396 km (0.118 R)
• M37: 110,281,606 km (0.083 R)
• M38: 112,387,944 km (0.057 R)

Kuiper Belt

Range: 49.5 - 79.5 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 573 - 19,072 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit