🌌 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: 0.56 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.4

Radius: 1.14

Gravity: 1.08 G

Time & Orbit

Eccentricity (e): 0.067

Orbit Range: 0.52 AU - 0.6 AU

Year: 155 Days

Day: 14.9 Hours

Environment

Temp: 172 °C

Axial Tilt: 9.7 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.92 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.5

Radius: 0.76

Gravity: 0.87 G

Time & Orbit

Eccentricity (e): 0.126

Orbit Range: 0.8 AU - 1.04 AU

Year: 327 Days

Day: 24 Hours

Environment

Temp: 21 °C

Axial Tilt: 2.8 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 3 - Terrestrial

Semi-Major Axis: 1.71 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.75

Radius: 1.5

Gravity: 1.22 G

Time & Orbit

Eccentricity (e): 0.01

Orbit Range: 1.69 AU - 1.73 AU

Year: 829 Days

Day: 16.7 Hours

Environment

Temp: -63 °C

Axial Tilt: 32.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Terrestrial

Semi-Major Axis: 2.14 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.96

Radius: 0.98

Gravity: 1 G

Time & Orbit

Eccentricity (e): 0.245

Orbit Range: 1.62 AU - 2.66 AU

Year: 1161 Days

Day: 41.8 Hours

Environment

Temp: -81 °C

Axial Tilt: 35.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 92,223,934 km

• M1: 25,132 km (0.104 R)

Planet 5 - Terrestrial

Semi-Major Axis: 4.23 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.56

Radius: 1.46

Gravity: 1.2 G

Time & Orbit

Eccentricity (e): 0.11

Orbit Range: 3.76 AU - 4.7 AU

Year: 3226 Days

Day: 16.9 Hours

Environment

Temp: -121 °C

Axial Tilt: 28.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 92,223,934 km

• M1: 34,108 km (0.114 R)

Planet 6 - Ice Giant

Semi-Major Axis: 15.74 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 909.7

Radius: 6.3

Gravity: 22.92 G

Time & Orbit

Eccentricity (e): 0.028

Orbit Range: 15.3 AU - 16.18 AU

Year: 23159 Days

Day: 21 Hours

Environment

Temp: -198 °C

Axial Tilt: 9.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 92,223,934 km

• M1: 78,688 km (0.079 R)
• M2: 365,168 km (0.086 R)
• M3: 606,769 km (0.086 R)
• M4: 849,118 km (0.089 R)
• M5: 1,086,529 km (0.09 R)
• M6: 1,570,628 km (0.119 R)
• M7: 2,015,682 km (0.101 R)
• M8: 2,876,917 km (0.068 R)
• M9: 3,419,957 km (0.068 R)
• M10: 3,829,406 km (0.092 R)
• M11: 5,295,914 km (0.095 R)
• M12: 5,586,433 km (0.104 R)
• M13: 7,151,975 km (0.09 R)
• M14: 8,363,718 km (0.053 R)
• M15: 11,119,460 km (0.109 R)
• M16: 11,596,528 km (0.089 R)
• M17: 26,329,674 km (0.084 R)
• M18: 27,916,608 km (0.068 R)
• M19: 33,478,059 km (0.117 R)
• M20: 39,577,613 km (0.111 R)
• M21: 40,528,008 km (0.106 R)
• M22: 46,203,302 km (0.103 R)
• M23: 46,552,763 km (0.108 R)
• M24: 49,777,345 km (0.111 R)
• M25: 52,196,791 km (0.089 R)
• M26: 52,575,723 km (0.066 R)
• M27: 53,723,887 km (0.077 R)
• M28: 59,923,372 km (0.115 R)
• M29: 66,360,867 km (0.061 R)
• M30: 66,805,622 km (0.114 R)
• M31: 77,348,083 km (0.113 R)
• M32: 79,081,623 km (0.093 R)
• M33: 79,832,455 km (0.094 R)
• M34: 81,602,796 km (0.065 R)
• M35: 86,539,825 km (0.092 R)
• M36: 90,848,693 km (0.073 R)
• M37: 91,122,606 km (0.039 R)

Kuiper Belt

Range: 30 - 58 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 489 - 14,672 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit