🌌 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: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.73

Radius: 1.69

Gravity: 1.31 G

Time & Orbit

Eccentricity (e): 0.194

Orbit Range: 0.44 AU - 0.66 AU

Year: 183 Days

Day: 28.4 Hours

Environment

Temp: 9 °C

Axial Tilt: 23.8 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 2 - Terrestrial

Semi-Major Axis: 0.71 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3

Radius: 1.55

Gravity: 1.25 G

Time & Orbit

Eccentricity (e): 0.206

Orbit Range: 0.56 AU - 0.86 AU

Year: 269 Days

Day: 35.1 Hours

Environment

Temp: -28 °C

Axial Tilt: 3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 37,145,560 km

• M1: 255,513 km (0.081 R)

Planet 3 - Terrestrial

Semi-Major Axis: 0.85 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.47

Radius: 0.74

Gravity: 0.86 G

Time & Orbit

Eccentricity (e): 0.2

Orbit Range: 0.68 AU - 1.02 AU

Year: 352 Days

Day: 23.5 Hours

Environment

Temp: -64 °C

Axial Tilt: 24.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 37,145,560 km

• M1: 17,204 km (0.101 R)
• M2: 119,379 km (0.105 R)

Planet 4 - Terrestrial

Semi-Major Axis: 1.68 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.3

Radius: 1.11

Gravity: 1.06 G

Time & Orbit

Eccentricity (e): 0.041

Orbit Range: 1.61 AU - 1.75 AU

Year: 979 Days

Day: 30.2 Hours

Environment

Temp: -116 °C

Axial Tilt: 13.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 37,145,560 km

• M1: 665,262 km (0.119 R)

Planet 5 - Terrestrial

Semi-Major Axis: 2.25 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.37

Radius: 1.13

Gravity: 1.07 G

Time & Orbit

Eccentricity (e): 0.048

Orbit Range: 2.14 AU - 2.36 AU

Year: 1517 Days

Day: 27.7 Hours

Environment

Temp: -132 °C

Axial Tilt: 28.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 37,145,560 km

• M1: 30,817 km (0.111 R)
• M2: 309,368 km (0.105 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.51 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 942.8

Radius: 9

Gravity: 11.64 G

Time & Orbit

Eccentricity (e): 0.07

Orbit Range: 5.12 AU - 5.9 AU

Year: 5815 Days

Day: 6 Hours

Environment

Temp: -189 °C

Axial Tilt: 5.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 37,145,560 km

• M1: 113,395 km (0.109 R)
• M2: 528,230 km (0.109 R)
• M3: 1,034,020 km (0.113 R)
• M4: 1,782,758 km (0.119 R)
• M5: 2,325,648 km (0.075 R)
• M6: 2,836,076 km (0.102 R)
• M7: 3,646,598 km (0.048 R)
• M8: 6,106,884 km (0.08 R)
• M9: 7,189,225 km (0.11 R)
• M10: 10,282,310 km (0.114 R)
• M11: 12,067,462 km (0.069 R)
• M12: 12,923,610 km (0.063 R)
• M13: 14,341,798 km (0.102 R)
• M14: 18,026,394 km (0.079 R)
• M15: 18,931,311 km (0.057 R)
• M16: 21,827,526 km (0.07 R)
• M17: 22,855,263 km (0.109 R)
• M18: 27,561,912 km (0.07 R)
• M19: 32,367,594 km (0.06 R)
• M20: 34,331,365 km (0.092 R)

Kuiper Belt

Range: 30 - 55 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 376 - 18,301 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit