🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.27 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.54 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.06

Radius: 1.75

Gravity: 1.33 G

Time & Orbit

Eccentricity (e): 0.167

Orbit Range: 0.45 AU - 0.63 AU

Year: 177 Days

Day: 39.9 Hours

Environment

Temp: 13 °C

Axial Tilt: 35.4 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (1)

Outer Limit: 29,411,455 km

• M1: 60,886 km (0.066 R)

Planet 2 - Terrestrial

Semi-Major Axis: 0.78 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.58

Radius: 0.8

Gravity: 0.91 G

Time & Orbit

Eccentricity (e): 0.218

Orbit Range: 0.61 AU - 0.95 AU

Year: 307 Days

Day: 45 Hours

Environment

Temp: -47 °C

Axial Tilt: 2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Gas Giant

Semi-Major Axis: 2.53 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 459.1

Radius: 8.2

Gravity: 6.83 G

Time & Orbit

Eccentricity (e): 0.197

Orbit Range: 2.03 AU - 3.03 AU

Year: 1796 Days

Day: 10.2 Hours

Environment

Temp: -146 °C

Axial Tilt: 23.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 29,411,455 km

• M1: 102,026 km (0.094 R)
• M2: 380,577 km (0.107 R)
• M3: 869,912 km (0.104 R)
• M4: 1,349,971 km (0.09 R)
• M5: 2,041,263 km (0.099 R)
• M6: 2,673,763 km (0.053 R)
• M7: 3,259,738 km (0.082 R)
• M8: 3,998,302 km (0.112 R)
• M9: 4,705,152 km (0.093 R)
• M10: 5,067,927 km (0.117 R)
• M11: 5,669,311 km (0.071 R)
• M12: 6,809,695 km (0.095 R)
• M13: 7,353,932 km (0.099 R)
• M14: 7,787,916 km (0.117 R)
• M15: 8,856,942 km (0.063 R)
• M16: 9,379,637 km (0.087 R)
• M17: 9,793,125 km (0.117 R)
• M18: 10,759,228 km (0.094 R)
• M19: 11,605,803 km (0.063 R)
• M20: 12,306,968 km (0.059 R)
• M21: 12,880,227 km (0.115 R)

Planet 4 - Gas Giant

Semi-Major Axis: 6.93 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 238.8

Radius: 15

Gravity: 1.06 G

Time & Orbit

Eccentricity (e): 0.032

Orbit Range: 6.71 AU - 7.15 AU

Year: 8141 Days

Day: 11.1 Hours

Environment

Temp: -184 °C

Axial Tilt: 25.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 29,411,455 km

• M1: 186,549 km (0.079 R)
• M2: 768,185 km (0.101 R)
• M3: 1,494,034 km (0.061 R)
• M4: 2,305,752 km (0.075 R)
• M5: 2,885,294 km (0.111 R)
• M6: 3,378,369 km (0.09 R)
• M7: 4,225,093 km (0.097 R)
• M8: 4,788,478 km (0.106 R)
• M9: 5,598,850 km (0.065 R)
• M10: 6,097,609 km (0.061 R)
• M11: 10,340,055 km (0.104 R)
• M12: 12,125,506 km (0.074 R)
• M13: 13,321,840 km (0.098 R)
• M14: 14,595,516 km (0.034 R)
• M15: 15,205,876 km (0.083 R)
• M16: 15,717,799 km (0.086 R)
• M17: 16,537,147 km (0.1 R)
• M18: 17,632,353 km (0.061 R)
• M19: 19,364,996 km (0.104 R)
• M20: 21,992,533 km (0.12 R)
• M21: 23,998,490 km (0.12 R)
• M22: 24,771,463 km (0.119 R)
• M23: 25,561,040 km (0.059 R)
• M24: 26,859,400 km (0.109 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: 260 - 19,535 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit