🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.4 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.8 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.09

Radius: 1.04

Gravity: 1.01 G

Time & Orbit

Eccentricity (e): 0.196

Orbit Range: 0.64 AU - 0.96 AU

Year: 260 Days

Day: 32.9 Hours

Environment

Temp: 174 °C

Axial Tilt: 46.8 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.99 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.63

Radius: 1.85

Gravity: 1.35 G

Time & Orbit

Eccentricity (e): 0.03

Orbit Range: 0.96 AU - 1.02 AU

Year: 358 Days

Day: 24.9 Hours

Environment

Temp: 39 °C

Axial Tilt: 4.1 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Satellites (1)

Outer Limit: 31,941,265 km

• M1: 275,858 km (0.109 R)

Planet 3 - Terrestrial

Semi-Major Axis: 1.91 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.06

Radius: 1.02

Gravity: 1.02 G

Time & Orbit

Eccentricity (e): 0.122

Orbit Range: 1.68 AU - 2.14 AU

Year: 959 Days

Day: 33.4 Hours

Environment

Temp: -63 °C

Axial Tilt: 7.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Terrestrial

Semi-Major Axis: 1.91 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.96

Radius: 1.31

Gravity: 1.14 G

Time & Orbit

Eccentricity (e): 0.125

Orbit Range: 1.67 AU - 2.15 AU

Year: 959 Days

Day: 20.9 Hours

Environment

Temp: -60 °C

Axial Tilt: 4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 2.96 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.66

Radius: 1.22

Gravity: 1.12 G

Time & Orbit

Eccentricity (e): 0.147

Orbit Range: 2.52 AU - 3.4 AU

Year: 1851 Days

Day: 29.9 Hours

Environment

Temp: -101 °C

Axial Tilt: 25.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 31,941,265 km

• M1: 85,121 km (0.119 R)

Planet 6 - Terrestrial

Semi-Major Axis: 4.72 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.39

Radius: 1.14

Gravity: 1.07 G

Time & Orbit

Eccentricity (e): 0.124

Orbit Range: 4.13 AU - 5.31 AU

Year: 3727 Days

Day: 34 Hours

Environment

Temp: -143 °C

Axial Tilt: 18 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 7 - Gas Giant

Semi-Major Axis: 9.53 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 177.3

Radius: 13.1

Gravity: 1.03 G

Time & Orbit

Eccentricity (e): 0.03

Orbit Range: 9.24 AU - 9.82 AU

Year: 10692 Days

Day: 13.2 Hours

Environment

Temp: -172 °C

Axial Tilt: 15 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (73)

Outer Limit: 31,941,265 km

• M1: 233,373 km (0.116 R)
• M2: 539,749 km (0.045 R)
• M3: 751,430 km (0.067 R)
• M4: 868,565 km (0.119 R)
• M5: 1,122,882 km (0.032 R)
• M6: 1,275,172 km (0.107 R)
• M7: 1,704,219 km (0.114 R)
• M8: 1,827,637 km (0.112 R)
• M9: 1,972,298 km (0.093 R)
• M10: 2,120,999 km (0.105 R)
• M11: 2,312,185 km (0.04 R)
• M12: 2,549,447 km (0.116 R)
• M13: 2,712,060 km (0.103 R)
• M14: 2,857,319 km (0.07 R)
• M15: 3,090,991 km (0.116 R)
• M16: 3,199,300 km (0.069 R)
• M17: 3,330,946 km (0.055 R)
• M18: 3,419,807 km (0.093 R)
• M19: 4,255,012 km (0.108 R)
• M20: 5,048,928 km (0.104 R)
• M21: 5,861,544 km (0.086 R)
• M22: 5,969,404 km (0.091 R)
• M23: 6,132,466 km (0.041 R)
• M24: 6,214,595 km (0.062 R)
• M25: 6,352,225 km (0.094 R)
• M26: 6,686,726 km (0.098 R)
• M27: 7,460,446 km (0.065 R)
• M28: 7,636,373 km (0.067 R)
• M29: 7,992,117 km (0.079 R)
• M30: 8,353,545 km (0.077 R)
• M31: 8,475,168 km (0.06 R)
• M32: 8,781,844 km (0.093 R)
• M33: 9,374,700 km (0.092 R)
• M34: 9,564,540 km (0.09 R)
• M35: 9,884,081 km (0.031 R)
• M36: 10,304,451 km (0.08 R)
• M37: 10,697,893 km (0.115 R)
• M38: 11,873,433 km (0.097 R)
• M39: 12,044,723 km (0.054 R)
• M40: 12,147,945 km (0.096 R)
• M41: 12,528,672 km (0.112 R)
• M42: 12,808,121 km (0.065 R)
• M43: 13,480,115 km (0.104 R)
• M44: 13,587,227 km (0.113 R)
• M45: 13,946,561 km (0.09 R)
• M46: 14,454,745 km (0.059 R)
• M47: 15,117,164 km (0.067 R)
• M48: 15,265,715 km (0.116 R)
• M49: 15,864,854 km (0.072 R)
• M50: 16,893,190 km (0.111 R)
• M51: 17,864,529 km (0.111 R)
• M52: 18,734,441 km (0.1 R)
• M53: 19,054,131 km (0.042 R)
• M54: 20,024,273 km (0.045 R)
• M55: 20,597,532 km (0.11 R)
• M56: 20,721,100 km (0.103 R)
• M57: 21,051,712 km (0.084 R)
• M58: 21,760,207 km (0.101 R)
• M59: 22,138,540 km (0.11 R)
• M60: 23,286,405 km (0.113 R)
• M61: 25,728,440 km (0.066 R)
• M62: 25,861,582 km (0.08 R)
• M63: 26,039,454 km (0.101 R)
• M64: 26,441,124 km (0.085 R)
• M65: 26,709,952 km (0.11 R)
• M66: 26,889,768 km (0.101 R)
• M67: 26,979,826 km (0.032 R)
• M68: 28,571,697 km (0.091 R)
• M69: 28,709,627 km (0.107 R)
• M70: 30,053,763 km (0.118 R)
• M71: 30,615,952 km (0.081 R)
• M72: 30,804,146 km (0.089 R)
• M73: 31,276,277 km (0.097 R)

Kuiper Belt

Range: 30.2 - 56.2 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 440 - 18,979 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit