🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.28 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.55 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.51

Radius: 1.83

Gravity: 1.35 G

Time & Orbit

Eccentricity (e): 0.226

Orbit Range: 0.43 AU - 0.67 AU

Year: 156 Days

Day: 35.7 Hours

Environment

Temp: 160 °C

Axial Tilt: 81.4 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (2)

Outer Limit: 106,095,130 km

• M1: 65,524 km (0.111 R)
• M2: 99,333 km (0.109 R)

Planet 2 - Terrestrial

Semi-Major Axis: 1.26 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.69

Radius: 1.49

Gravity: 1.21 G

Time & Orbit

Eccentricity (e): 0.013

Orbit Range: 1.24 AU - 1.28 AU

Year: 542 Days

Day: 13.4 Hours

Environment

Temp: -44 °C

Axial Tilt: 13.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 106,095,130 km

• M1: 172,935 km (0.092 R)
• M2: 858,542 km (0.112 R)

Planet 3 - Terrestrial

Semi-Major Axis: 3.89 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.4

Radius: 0.69

Gravity: 0.84 G

Time & Orbit

Eccentricity (e): 0.051

Orbit Range: 3.69 AU - 4.09 AU

Year: 2938 Days

Day: 40.6 Hours

Environment

Temp: -133 °C

Axial Tilt: 48.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 106,095,130 km

• M1: 16,157 km (0.044 R)
• M2: 173,833 km (0.105 R)

Asteroid Belt

Center: 10.83 AU

Composition

Type: Far Outer (Icy/Cometary)

A dense region of planetesimals and debris.

Boundary

Planet 4 - Ice Giant

Semi-Major Axis: 17.76 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 904.5

Radius: 4

Gravity: 56.53 G

Time & Orbit

Eccentricity (e): 0.003

Orbit Range: 17.71 AU - 17.81 AU

Year: 28657 Days

Day: 22.2 Hours

Environment

Temp: -211 °C

Axial Tilt: 28.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 106,095,130 km

• M1: 51,162 km (0.079 R)
• M2: 492,327 km (0.112 R)
• M3: 1,017,864 km (0.094 R)
• M4: 2,068,191 km (0.116 R)
• M5: 2,231,252 km (0.11 R)
• M6: 3,364,307 km (0.092 R)
• M7: 3,895,379 km (0.059 R)
• M8: 4,674,784 km (0.119 R)
• M9: 5,164,118 km (0.096 R)
• M10: 5,961,026 km (0.103 R)
• M11: 6,243,916 km (0.115 R)
• M12: 6,535,781 km (0.109 R)
• M13: 7,199,248 km (0.063 R)
• M14: 7,465,981 km (0.071 R)
• M15: 8,778,702 km (0.103 R)
• M16: 10,507,006 km (0.097 R)
• M17: 11,558,979 km (0.103 R)
• M18: 12,073,147 km (0.054 R)
• M19: 13,869,967 km (0.117 R)
• M20: 14,199,680 km (0.05 R)
• M21: 14,960,535 km (0.095 R)
• M22: 16,563,177 km (0.114 R)
• M23: 16,840,980 km (0.109 R)
• M24: 17,121,925 km (0.089 R)
• M25: 24,837,286 km (0.053 R)
• M26: 31,659,547 km (0.106 R)
• M27: 35,038,364 km (0.04 R)
• M28: 37,208,282 km (0.114 R)
• M29: 39,466,312 km (0.117 R)
• M30: 83,436,417 km (0.109 R)
• M31: 89,826,789 km (0.075 R)
• M32: 95,642,107 km (0.11 R)
• M33: 96,535,506 km (0.104 R)

Kuiper Belt

Range: 30 - 51 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 191 - 12,202 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit