🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.26 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.51 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.47

Radius: 1.44

Gravity: 1.19 G

Time & Orbit

Eccentricity (e): 0.092

Orbit Range: 0.46 AU - 0.56 AU

Year: 232 Days

Day: 30.4 Hours

Environment

Temp: -127 °C

Axial Tilt: 9.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Gas Giant

Semi-Major Axis: 0.92 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 508.8

Radius: 8.9

Gravity: 6.42 G

Time & Orbit

Eccentricity (e): 0.246

Orbit Range: 0.69 AU - 1.15 AU

Year: 561 Days

Day: 13.8 Hours

Environment

Temp: -159 °C

Axial Tilt: 11.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 44,076,423 km

• M1: 110,702 km (0.109 R)
• M2: 501,901 km (0.089 R)
• M3: 1,196,783 km (0.109 R)
• M4: 1,711,400 km (0.114 R)
• M5: 1,999,226 km (0.116 R)
• M6: 2,492,899 km (0.076 R)
• M7: 2,986,871 km (0.068 R)
• M8: 3,263,627 km (0.09 R)
• M9: 5,138,986 km (0.109 R)
• M10: 6,121,395 km (0.116 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.8 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 384.1

Radius: 11.2

Gravity: 3.06 G

Time & Orbit

Eccentricity (e): 0.183

Orbit Range: 1.47 AU - 2.13 AU

Year: 1535 Days

Day: 14.6 Hours

Environment

Temp: -193 °C

Axial Tilt: 17.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 44,076,423 km

• M1: 139,276 km (0.114 R)
• M2: 541,544 km (0.117 R)
• M3: 933,640 km (0.055 R)
• M4: 1,563,896 km (0.071 R)
• M5: 2,063,403 km (0.114 R)
• M6: 2,593,728 km (0.059 R)
• M7: 3,299,531 km (0.084 R)
• M8: 3,784,976 km (0.107 R)
• M9: 4,179,914 km (0.1 R)
• M10: 4,937,927 km (0.096 R)
• M11: 5,370,414 km (0.055 R)
• M12: 5,849,426 km (0.049 R)
• M13: 6,334,273 km (0.109 R)
• M14: 6,750,754 km (0.077 R)
• M15: 8,630,900 km (0.085 R)
• M16: 9,028,082 km (0.031 R)
• M17: 10,547,099 km (0.093 R)

Planet 4 - Ice Giant

Semi-Major Axis: 9.18 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 170.3

Radius: 6.1

Gravity: 4.58 G

Time & Orbit

Eccentricity (e): 0.029

Orbit Range: 8.91 AU - 9.45 AU

Year: 17685 Days

Day: 18.9 Hours

Environment

Temp: -238 °C

Axial Tilt: 15.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 44,076,423 km

• M1: 82,428 km (0.092 R)
• M2: 780,003 km (0.06 R)
• M3: 1,021,155 km (0.05 R)
• M4: 2,011,343 km (0.115 R)
• M5: 4,275,507 km (0.111 R)
• M6: 4,586,072 km (0.078 R)
• M7: 5,064,636 km (0.082 R)
• M8: 30,060,944 km (0.106 R)
• M9: 33,672,536 km (0.1 R)
• M10: 35,013,382 km (0.114 R)
• M11: 38,159,425 km (0.101 R)
• M12: 40,234,048 km (0.069 R)

Kuiper Belt

Range: 30 - 48 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 337 - 15,805 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit