🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.35 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.7 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.98

Radius: 1.31

Gravity: 1.15 G

Time & Orbit

Eccentricity (e): 0.086

Orbit Range: 0.64 AU - 0.76 AU

Year: 219 Days

Day: 22 Hours

Environment

Temp: 172 °C

Axial Tilt: 22.2 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.88 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.17

Radius: 1.06

Gravity: 1.04 G

Time & Orbit

Eccentricity (e): 0.031

Orbit Range: 0.85 AU - 0.91 AU

Year: 309 Days

Day: 34.6 Hours

Environment

Temp: 51 °C

Axial Tilt: 35.4 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 3 - Terrestrial

Semi-Major Axis: 1.66 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.75

Radius: 0.89

Gravity: 0.95 G

Time & Orbit

Eccentricity (e): 0.221

Orbit Range: 1.29 AU - 2.03 AU

Year: 801 Days

Day: 36.5 Hours

Environment

Temp: -64 °C

Axial Tilt: 13.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 23,363,240 km

• M1: 409,001 km (0.108 R)

Planet 4 - Gas Giant

Semi-Major Axis: 5.8 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 289.5

Radius: 8.4

Gravity: 4.1 G

Time & Orbit

Eccentricity (e): 0.015

Orbit Range: 5.71 AU - 5.89 AU

Year: 5234 Days

Day: 12.2 Hours

Environment

Temp: -162 °C

Axial Tilt: 31.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (66)

Outer Limit: 23,363,240 km

• M1: 170,242 km (0.082 R)
• M2: 231,428 km (0.117 R)
• M3: 498,759 km (0.09 R)
• M4: 601,383 km (0.061 R)
• M5: 828,922 km (0.114 R)
• M6: 918,531 km (0.107 R)
• M7: 1,107,772 km (0.099 R)
• M8: 1,415,345 km (0.1 R)
• M9: 1,720,376 km (0.093 R)
• M10: 2,520,874 km (0.081 R)
• M11: 2,670,023 km (0.09 R)
• M12: 2,839,068 km (0.109 R)
• M13: 3,046,710 km (0.114 R)
• M14: 3,241,487 km (0.066 R)
• M15: 3,385,699 km (0.116 R)
• M16: 3,606,057 km (0.07 R)
• M17: 3,888,049 km (0.107 R)
• M18: 4,041,536 km (0.117 R)
• M19: 4,413,885 km (0.098 R)
• M20: 4,493,621 km (0.065 R)
• M21: 4,654,738 km (0.092 R)
• M22: 4,941,218 km (0.035 R)
• M23: 5,149,308 km (0.118 R)
• M24: 5,639,092 km (0.103 R)
• M25: 6,010,543 km (0.117 R)
• M26: 6,255,285 km (0.072 R)
• M27: 6,345,044 km (0.109 R)
• M28: 6,962,435 km (0.099 R)
• M29: 8,009,021 km (0.104 R)
• M30: 8,501,049 km (0.101 R)
• M31: 8,725,595 km (0.111 R)
• M32: 9,028,082 km (0.119 R)
• M33: 9,513,976 km (0.098 R)
• M34: 9,773,229 km (0.103 R)
• M35: 9,929,858 km (0.104 R)
• M36: 10,192,851 km (0.092 R)
• M37: 11,076,675 km (0.095 R)
• M38: 11,569,151 km (0.11 R)
• M39: 11,679,555 km (0.115 R)
• M40: 11,985,033 km (0.105 R)
• M41: 12,124,758 km (0.076 R)
• M42: 12,236,956 km (0.085 R)
• M43: 12,518,799 km (0.088 R)
• M44: 12,660,617 km (0.112 R)
• M45: 12,802,885 km (0.102 R)
• M46: 13,960,473 km (0.117 R)
• M47: 14,019,116 km (0.085 R)
• M48: 14,790,442 km (0.099 R)
• M49: 15,271,998 km (0.035 R)
• M50: 16,126,950 km (0.106 R)
• M51: 17,091,557 km (0.045 R)
• M52: 17,185,803 km (0.12 R)
• M53: 17,596,749 km (0.076 R)
• M54: 17,755,622 km (0.076 R)
• M55: 17,819,201 km (0.101 R)
• M56: 17,883,079 km (0.051 R)
• M57: 17,978,822 km (0.028 R)
• M58: 18,816,121 km (0.057 R)
• M59: 20,128,842 km (0.096 R)
• M60: 20,328,406 km (0.119 R)
• M61: 20,796,348 km (0.076 R)
• M62: 20,897,027 km (0.079 R)
• M63: 21,031,665 km (0.058 R)
• M64: 21,606,869 km (0.095 R)
• M65: 22,050,128 km (0.116 R)
• M66: 22,945,770 km (0.112 R)

Kuiper Belt

Range: 30 - 60 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 428 - 11,298 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit