🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.29 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.58 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.7

Radius: 1.24

Gravity: 1.11 G

Time & Orbit

Eccentricity (e): 0.241

Orbit Range: 0.44 AU - 0.72 AU

Year: 167 Days

Day: 41.6 Hours

Environment

Temp: 170 °C

Axial Tilt: 34.6 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (2)

Outer Limit: 46,517,058 km

• M1: 47,572 km (0.11 R)
• M2: 384,467 km (0.079 R)

Planet 2 - Terrestrial

Semi-Major Axis: 0.75 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.79

Radius: 0.91

Gravity: 0.95 G

Time & Orbit

Eccentricity (e): 0.205

Orbit Range: 0.6 AU - 0.9 AU

Year: 246 Days

Day: 27.1 Hours

Environment

Temp: 102 °C

Axial Tilt: 22.3 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 0.98 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.34

Radius: 1.62

Gravity: 1.27 G

Time & Orbit

Eccentricity (e): 0.089

Orbit Range: 0.89 AU - 1.07 AU

Year: 367 Days

Day: 20.1 Hours

Environment

Temp: 8 °C

Axial Tilt: 1.6 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Asteroid Belt

Center: 6.52 AU

Composition

Type: Far Outer (Icy/Cometary)

A dense region of planetesimals and debris.

Boundary

Planet 4 - Ice Giant

Semi-Major Axis: 12.05 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 96.5

Radius: 4.1

Gravity: 5.74 G

Time & Orbit

Eccentricity (e): 0.053

Orbit Range: 11.41 AU - 12.69 AU

Year: 15843 Days

Day: 21.8 Hours

Environment

Temp: -196 °C

Axial Tilt: 12.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 46,517,058 km

• M1: 52,808 km (0.037 R)
• M2: 268,827 km (0.085 R)
• M3: 431,440 km (0.116 R)
• M4: 1,030,281 km (0.113 R)
• M5: 2,120,999 km (0.085 R)
• M6: 2,266,109 km (0.053 R)
• M7: 9,518,015 km (0.084 R)
• M8: 13,379,734 km (0.073 R)
• M9: 15,202,734 km (0.068 R)
• M10: 16,235,408 km (0.064 R)
• M11: 24,805,421 km (0.093 R)
• M12: 28,250,810 km (0.061 R)
• M13: 28,702,745 km (0.103 R)
• M14: 31,226,760 km (0.094 R)

Planet 5 - Ice Giant

Semi-Major Axis: 12.96 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 200.5

Radius: 6.2

Gravity: 5.22 G

Time & Orbit

Eccentricity (e): 0.09

Orbit Range: 11.79 AU - 14.13 AU

Year: 17671 Days

Day: 23 Hours

Environment

Temp: -186 °C

Axial Tilt: 38.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 46,517,058 km

• M1: 79,436 km (0.09 R)
• M2: 416,181 km (0.107 R)
• M3: 634,744 km (0.107 R)
• M4: 1,140,833 km (0.11 R)
• M5: 1,381,836 km (0.11 R)
• M6: 1,613,114 km (0.092 R)
• M7: 2,085,394 km (0.086 R)
• M8: 2,353,922 km (0.097 R)
• M9: 2,982,832 km (0.082 R)
• M10: 3,420,406 km (0.062 R)
• M11: 3,821,178 km (0.071 R)
• M12: 4,280,743 km (0.034 R)
• M13: 4,509,478 km (0.111 R)
• M14: 5,709,702 km (0.1 R)
• M15: 8,497,608 km (0.1 R)
• M16: 8,722,753 km (0.052 R)
• M17: 9,614,954 km (0.082 R)
• M18: 13,489,240 km (0.11 R)
• M19: 14,873,469 km (0.098 R)
• M20: 17,555,609 km (0.082 R)
• M21: 18,592,173 km (0.104 R)
• M22: 23,323,355 km (0.111 R)
• M23: 25,964,655 km (0.104 R)
• M24: 27,016,627 km (0.078 R)
• M25: 27,504,017 km (0.098 R)
• M26: 30,238,068 km (0.091 R)
• M27: 35,769,748 km (0.117 R)
• M28: 37,190,928 km (0.09 R)
• M29: 38,159,126 km (0.073 R)
• M30: 42,988,145 km (0.042 R)
• M31: 46,100,379 km (0.117 R)

Kuiper Belt

Range: 30 - 54 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 305 - 10,749 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit