🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.43 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.85 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.06

Radius: 1.34

Gravity: 1.15 G

Time & Orbit

Eccentricity (e): 0.231

Orbit Range: 0.65 AU - 1.05 AU

Year: 273 Days

Day: 26.4 Hours

Environment

Temp: 177 °C

Axial Tilt: 169 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 5.11 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.19

Radius: 1.07

Gravity: 1.04 G

Time & Orbit

Eccentricity (e): 0.144

Orbit Range: 4.37 AU - 5.85 AU

Year: 4023 Days

Day: 28.6 Hours

Environment

Temp: -134 °C

Axial Tilt: 5.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Gas Giant

Semi-Major Axis: 10.88 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 451.3

Radius: 12.6

Gravity: 2.84 G

Time & Orbit

Eccentricity (e): 0.106

Orbit Range: 9.73 AU - 12.03 AU

Year: 12498 Days

Day: 8.6 Hours

Environment

Temp: -180 °C

Axial Tilt: 15.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 44,272,736 km

• M1: 162,314 km (0.092 R)
• M2: 806,931 km (0.114 R)
• M3: 1,297,014 km (0.106 R)
• M4: 3,604,261 km (0.106 R)
• M5: 4,350,306 km (0.078 R)
• M6: 6,295,378 km (0.093 R)
• M7: 7,176,659 km (0.1 R)
• M8: 10,215,291 km (0.109 R)
• M9: 11,105,398 km (0.118 R)
• M10: 13,711,692 km (0.057 R)
• M11: 16,986,988 km (0.066 R)
• M12: 18,235,980 km (0.09 R)
• M13: 19,545,111 km (0.112 R)
• M14: 23,848,893 km (0.06 R)
• M15: 26,173,195 km (0.06 R)
• M16: 30,094,604 km (0.12 R)
• M17: 30,517,816 km (0.082 R)
• M18: 32,250,159 km (0.113 R)
• M19: 34,276,612 km (0.056 R)
• M20: 36,267,161 km (0.111 R)
• M21: 38,830,970 km (0.062 R)
• M22: 39,965,819 km (0.025 R)
• M23: 40,863,855 km (0.106 R)
• M24: 43,368,872 km (0.071 R)
• M25: 43,773,534 km (0.087 R)

Planet 4 - Gas Giant

Semi-Major Axis: 12.68 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 218.3

Radius: 15

Gravity: 0.97 G

Time & Orbit

Eccentricity (e): 0.041

Orbit Range: 12.16 AU - 13.2 AU

Year: 15724 Days

Day: 14 Hours

Environment

Temp: -178 °C

Axial Tilt: 1.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 44,272,736 km

• M1: 240,553 km (0.089 R)
• M2: 723,007 km (0.106 R)
• M3: 2,243,370 km (0.053 R)
• M4: 2,924,190 km (0.103 R)
• M5: 3,406,344 km (0.032 R)
• M6: 7,013,447 km (0.067 R)
• M7: 8,611,601 km (0.118 R)
• M8: 10,491,448 km (0.066 R)
• M9: 14,171,257 km (0.11 R)
• M10: 18,859,953 km (0.107 R)
• M11: 28,325,758 km (0.051 R)
• M12: 32,111,632 km (0.104 R)
• M13: 39,803,805 km (0.094 R)
• M14: 40,797,284 km (0.115 R)

Kuiper Belt

Range: 31.5 - 48.5 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 516 - 19,537 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit