🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.46 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.91 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.7

Radius: 1.49

Gravity: 1.22 G

Time & Orbit

Eccentricity (e): 0.221

Orbit Range: 0.71 AU - 1.11 AU

Year: 314 Days

Day: 19.6 Hours

Environment

Temp: 122 °C

Axial Tilt: 45.8 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 82,436,299 km

• M1: 193,879 km (0.099 R)

Planet 2 - Terrestrial

Semi-Major Axis: 1.36 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.5

Radius: 1.65

Gravity: 1.29 G

Time & Orbit

Eccentricity (e): 0.173

Orbit Range: 1.12 AU - 1.6 AU

Year: 574 Days

Day: 30.2 Hours

Environment

Temp: 9 °C

Axial Tilt: 2.8 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Asteroid Belt

Center: 3.81 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 3 - Gas Giant

Semi-Major Axis: 6.25 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 583.4

Radius: 9.9

Gravity: 5.95 G

Time & Orbit

Eccentricity (e): 0.005

Orbit Range: 6.22 AU - 6.28 AU

Year: 5651 Days

Day: 12.3 Hours

Environment

Temp: -142 °C

Axial Tilt: 21.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 82,436,299 km

• M1: 129,103 km (0.095 R)
• M2: 452,534 km (0.109 R)
• M3: 885,320 km (0.086 R)
• M4: 1,449,304 km (0.064 R)
• M5: 1,957,937 km (0.105 R)
• M6: 2,366,040 km (0.077 R)
• M7: 2,979,541 km (0.09 R)
• M8: 3,829,406 km (0.065 R)
• M9: 4,250,524 km (0.085 R)
• M10: 4,886,315 km (0.103 R)
• M11: 6,127,080 km (0.09 R)
• M12: 6,605,943 km (0.096 R)
• M13: 7,602,564 km (0.047 R)
• M14: 10,284,554 km (0.057 R)
• M15: 10,869,781 km (0.055 R)
• M16: 11,240,784 km (0.111 R)
• M17: 12,708,339 km (0.082 R)
• M18: 14,244,560 km (0.09 R)
• M19: 16,019,688 km (0.077 R)
• M20: 21,202,357 km (0.063 R)
• M21: 25,406,954 km (0.104 R)
• M22: 26,727,156 km (0.107 R)
• M23: 28,092,685 km (0.11 R)
• M24: 29,504,141 km (0.084 R)
• M25: 30,685,366 km (0.082 R)

Planet 4 - Ice Giant

Semi-Major Axis: 18.21 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 441.2

Radius: 3.8

Gravity: 30.55 G

Time & Orbit

Eccentricity (e): 0.084

Orbit Range: 16.68 AU - 19.74 AU

Year: 28103 Days

Day: 19 Hours

Environment

Temp: -198 °C

Axial Tilt: 21.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 82,436,299 km

• M1: 79,287 km (0.076 R)
• M2: 303,684 km (0.089 R)
• M3: 519,853 km (0.085 R)
• M4: 2,227,512 km (0.12 R)
• M5: 2,431,115 km (0.118 R)
• M6: 4,639,928 km (0.103 R)
• M7: 6,922,941 km (0.107 R)
• M8: 7,307,407 km (0.061 R)
• M9: 7,554,992 km (0.072 R)
• M10: 8,014,556 km (0.068 R)
• M11: 8,546,676 km (0.105 R)
• M12: 8,932,938 km (0.107 R)
• M13: 9,563,343 km (0.103 R)
• M14: 21,443,209 km (0.037 R)
• M15: 29,660,022 km (0.117 R)
• M16: 30,162,521 km (0.087 R)
• M17: 33,704,699 km (0.103 R)
• M18: 33,977,566 km (0.098 R)
• M19: 40,207,270 km (0.119 R)
• M20: 45,974,418 km (0.074 R)
• M21: 66,317,484 km (0.075 R)
• M22: 73,167,870 km (0.045 R)

Kuiper Belt

Range: 30.3 - 60.3 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 437 - 15,870 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit