🌌 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: 0.79

Radius: 0.91

Gravity: 0.95 G

Time & Orbit

Eccentricity (e): 0.145

Orbit Range: 0.5 AU - 0.66 AU

Year: 157 Days

Day: 26.8 Hours

Environment

Temp: 206 °C

Axial Tilt: 18 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 42,441,103 km

• M1: 62,831 km (0.112 R)

Planet 2 - Terrestrial

Semi-Major Axis: 2.27 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.4

Radius: 0.69

Gravity: 0.84 G

Time & Orbit

Eccentricity (e): 0.054

Orbit Range: 2.15 AU - 2.39 AU

Year: 1219 Days

Day: 22.1 Hours

Environment

Temp: -76 °C

Axial Tilt: 70.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 42,441,103 km

• M1: 818,300 km (0.038 R)

Planet 3 - Gas Giant

Semi-Major Axis: 5.71 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 314

Radius: 12.4

Gravity: 2.04 G

Time & Orbit

Eccentricity (e): 0.212

Orbit Range: 4.5 AU - 6.92 AU

Year: 4864 Days

Day: 7.3 Hours

Environment

Temp: -150 °C

Axial Tilt: 48.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 42,441,103 km

• M1: 154,235 km (0.082 R)
• M2: 647,310 km (0.105 R)
• M3: 1,707,510 km (0.072 R)
• M4: 2,141,344 km (0.12 R)
• M5: 2,587,295 km (0.069 R)
• M6: 3,060,623 km (0.059 R)
• M7: 3,630,591 km (0.105 R)
• M8: 4,183,953 km (0.108 R)
• M9: 4,816,752 km (0.069 R)
• M10: 6,077,713 km (0.095 R)
• M11: 6,651,421 km (0.097 R)
• M12: 7,105,300 km (0.096 R)
• M13: 7,841,472 km (0.112 R)
• M14: 8,877,437 km (0.092 R)
• M15: 9,279,406 km (0.076 R)
• M16: 11,304,961 km (0.093 R)
• M17: 12,085,713 km (0.098 R)
• M18: 14,594,319 km (0.044 R)
• M19: 16,158,814 km (0.1 R)
• M20: 18,890,471 km (0.098 R)
• M21: 19,373,971 km (0.097 R)

Planet 4 - Gas Giant

Semi-Major Axis: 11.32 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 258

Radius: 9.3

Gravity: 2.98 G

Time & Orbit

Eccentricity (e): 0.057

Orbit Range: 10.67 AU - 11.97 AU

Year: 13576 Days

Day: 11.7 Hours

Environment

Temp: -178 °C

Axial Tilt: 31.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 42,441,103 km

• M1: 200,312 km (0.069 R)
• M2: 693,536 km (0.114 R)
• M3: 1,622,987 km (0.119 R)
• M4: 1,977,385 km (0.088 R)
• M5: 4,262,343 km (0.096 R)
• M6: 4,594,749 km (0.118 R)
• M7: 4,914,440 km (0.109 R)
• M8: 6,743,423 km (0.046 R)
• M9: 7,081,066 km (0.098 R)
• M10: 7,429,928 km (0.117 R)
• M11: 10,901,945 km (0.099 R)
• M12: 11,792,950 km (0.063 R)
• M13: 12,284,080 km (0.031 R)
• M14: 17,336,598 km (0.11 R)
• M15: 18,403,680 km (0.081 R)
• M16: 19,438,598 km (0.07 R)
• M17: 22,442,972 km (0.063 R)
• M18: 24,492,163 km (0.097 R)
• M19: 25,023,385 km (0.114 R)
• M20: 27,414,408 km (0.111 R)
• M21: 30,868,174 km (0.059 R)
• M22: 33,181,556 km (0.114 R)
• M23: 34,601,539 km (0.109 R)
• M24: 41,558,438 km (0.065 R)

Kuiper Belt

Range: 30.8 - 56.8 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 555 - 15,027 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit