🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.45 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.89 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.83

Radius: 1.27

Gravity: 1.13 G

Time & Orbit

Eccentricity (e): 0.236

Orbit Range: 0.68 AU - 1.1 AU

Year: 313 Days

Day: 33.2 Hours

Environment

Temp: 39 °C

Axial Tilt: 22.9 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 2 - Terrestrial

Semi-Major Axis: 1.1 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.33

Radius: 1.12

Gravity: 1.06 G

Time & Orbit

Eccentricity (e): 0.16

Orbit Range: 0.92 AU - 1.28 AU

Year: 430 Days

Day: 47 Hours

Environment

Temp: 8 °C

Axial Tilt: 1.2 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Asteroid Belt

Center: 4.54 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 3 - Gas Giant

Semi-Major Axis: 7.98 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 420.2

Radius: 12.6

Gravity: 2.65 G

Time & Orbit

Eccentricity (e): 0.162

Orbit Range: 6.69 AU - 9.27 AU

Year: 8403 Days

Day: 7.4 Hours

Environment

Temp: -170 °C

Axial Tilt: 27.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 78,880,447 km

• M1: 156,779 km (0.105 R)
• M2: 687,701 km (0.091 R)
• M3: 1,274,723 km (0.062 R)
• M4: 1,786,049 km (0.112 R)
• M5: 2,217,489 km (0.107 R)
• M6: 2,968,171 km (0.118 R)
• M7: 3,513,605 km (0.09 R)
• M8: 4,616,740 km (0.118 R)
• M9: 5,146,915 km (0.095 R)
• M10: 6,704,528 km (0.067 R)
• M11: 7,423,495 km (0.078 R)
• M12: 7,995,857 km (0.111 R)
• M13: 8,680,117 km (0.12 R)
• M14: 10,073,921 km (0.082 R)
• M15: 10,728,561 km (0.071 R)
• M16: 13,026,983 km (0.082 R)
• M17: 16,260,541 km (0.079 R)
• M18: 23,125,736 km (0.107 R)
• M19: 24,265,822 km (0.096 R)
• M20: 27,369,379 km (0.036 R)
• M21: 30,728,450 km (0.071 R)
• M22: 35,729,357 km (0.085 R)
• M23: 36,160,199 km (0.108 R)

Planet 4 - Ice Giant

Semi-Major Axis: 19.31 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 305.1

Radius: 4.9

Gravity: 12.71 G

Time & Orbit

Eccentricity (e): 0.208

Orbit Range: 15.29 AU - 23.33 AU

Year: 31632 Days

Day: 22.1 Hours

Environment

Temp: -201 °C

Axial Tilt: 32.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 78,880,447 km

• M1: 67,618 km (0.076 R)
• M2: 242,199 km (0.098 R)
• M3: 448,195 km (0.098 R)
• M4: 958,773 km (0.108 R)
• M5: 1,191,846 km (0.094 R)
• M6: 1,511,238 km (0.109 R)
• M7: 3,527,967 km (0.051 R)
• M8: 4,918,628 km (0.102 R)
• M9: 5,453,590 km (0.036 R)
• M10: 5,817,562 km (0.036 R)
• M11: 6,284,008 km (0.12 R)
• M12: 7,485,429 km (0.112 R)
• M13: 8,244,189 km (0.074 R)
• M14: 8,401,865 km (0.062 R)
• M15: 9,620,789 km (0.115 R)
• M16: 12,472,124 km (0.115 R)
• M17: 13,535,466 km (0.097 R)
• M18: 14,811,984 km (0.104 R)
• M19: 17,428,750 km (0.09 R)
• M20: 22,210,048 km (0.083 R)
• M21: 22,824,446 km (0.089 R)
• M22: 23,031,639 km (0.075 R)
• M23: 24,735,110 km (0.119 R)
• M24: 25,394,987 km (0.115 R)
• M25: 25,953,884 km (0.096 R)
• M26: 26,520,860 km (0.109 R)
• M27: 34,797,512 km (0.072 R)
• M28: 35,072,174 km (0.027 R)
• M29: 48,295,279 km (0.029 R)
• M30: 49,325,260 km (0.086 R)
• M31: 49,845,562 km (0.109 R)
• M32: 53,591,343 km (0.078 R)
• M33: 59,261,401 km (0.068 R)
• M34: 72,220,018 km (0.035 R)
• M35: 76,539,357 km (0.1 R)
• M36: 78,173,265 km (0.071 R)
• M37: 78,644,199 km (0.079 R)

Kuiper Belt

Range: 30 - 53 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 273 - 19,915 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit