🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.3 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.59 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.62

Radius: 1.21

Gravity: 1.11 G

Time & Orbit

Eccentricity (e): 0.126

Orbit Range: 0.52 AU - 0.66 AU

Year: 168 Days

Day: 25.8 Hours

Environment

Temp: 190 °C

Axial Tilt: 43.7 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (2)

Outer Limit: 13,824,921 km

• M1: 45,328 km (0.07 R)
• M2: 214,823 km (0.095 R)

Planet 2 - Terrestrial

Semi-Major Axis: 0.95 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.77

Radius: 1.7

Gravity: 1.3 G

Time & Orbit

Eccentricity (e): 0.148

Orbit Range: 0.81 AU - 1.09 AU

Year: 343 Days

Day: 46.2 Hours

Environment

Temp: 24 °C

Axial Tilt: 10.7 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 3 - Terrestrial

Semi-Major Axis: 1.53 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.15

Radius: 1.58

Gravity: 1.26 G

Time & Orbit

Eccentricity (e): 0.047

Orbit Range: 1.46 AU - 1.6 AU

Year: 702 Days

Day: 35 Hours

Environment

Temp: -49 °C

Axial Tilt: 42.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 3.08 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 4 - Gas Giant

Semi-Major Axis: 4.63 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 120.4

Radius: 13.8

Gravity: 0.63 G

Time & Orbit

Eccentricity (e): 0.082

Orbit Range: 4.25 AU - 5.01 AU

Year: 3695 Days

Day: 8.5 Hours

Environment

Temp: -146 °C

Axial Tilt: 9.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (57)

Outer Limit: 13,824,921 km

• M1: 172,038 km (0.075 R)
• M2: 419,024 km (0.086 R)
• M3: 552,615 km (0.077 R)
• M4: 697,126 km (0.1 R)
• M5: 841,338 km (0.089 R)
• M6: 956,828 km (0.111 R)
• M7: 1,078,451 km (0.118 R)
• M8: 1,222,963 km (0.09 R)
• M9: 1,532,780 km (0.113 R)
• M10: 1,776,924 km (0.06 R)
• M11: 2,205,372 km (0.091 R)
• M12: 2,370,378 km (0.077 R)
• M13: 3,010,807 km (0.105 R)
• M14: 3,294,444 km (0.09 R)
• M15: 3,395,124 km (0.102 R)
• M16: 3,484,134 km (0.104 R)
• M17: 3,586,908 km (0.067 R)
• M18: 3,795,448 km (0.095 R)
• M19: 3,981,248 km (0.104 R)
• M20: 4,211,030 km (0.079 R)
• M21: 4,320,686 km (0.106 R)
• M22: 4,417,326 km (0.026 R)
• M23: 4,570,963 km (0.034 R)
• M24: 5,056,857 km (0.045 R)
• M25: 5,232,335 km (0.101 R)
• M26: 5,335,707 km (0.118 R)
• M27: 5,484,408 km (0.119 R)
• M28: 5,970,002 km (0.105 R)
• M29: 6,311,983 km (0.058 R)
• M30: 6,422,087 km (0.108 R)
• M31: 6,692,410 km (0.114 R)
• M32: 6,788,751 km (0.07 R)
• M33: 6,885,392 km (0.062 R)
• M34: 6,982,630 km (0.092 R)
• M35: 7,194,910 km (0.106 R)
• M36: 7,592,391 km (0.079 R)
• M37: 7,827,559 km (0.092 R)
• M38: 8,099,378 km (0.112 R)
• M39: 8,704,801 km (0.101 R)
• M40: 8,968,841 km (0.107 R)
• M41: 9,057,403 km (0.076 R)
• M42: 9,378,739 km (0.094 R)
• M43: 9,904,576 km (0.116 R)
• M44: 10,087,983 km (0.088 R)
• M45: 10,235,636 km (0.062 R)
• M46: 10,346,937 km (0.063 R)
• M47: 10,589,285 km (0.056 R)
• M48: 10,965,674 km (0.081 R)
• M49: 11,442,592 km (0.108 R)
• M50: 11,558,081 km (0.103 R)
• M51: 11,654,572 km (0.111 R)
• M52: 11,751,362 km (0.108 R)
• M53: 12,004,332 km (0.036 R)
• M54: 12,160,811 km (0.115 R)
• M55: 12,278,694 km (0.082 R)
• M56: 12,714,173 km (0.105 R)
• M57: 13,518,860 km (0.092 R)

Kuiper Belt

Range: 30 - 51 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 317 - 14,500 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit