🌌 Stone's Star System Generator

Asteroid Belt

Center: 1.17 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 2.33 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.92

Radius: 0.97

Gravity: 0.98 G

Time & Orbit

Eccentricity (e): 0.219

Orbit Range: 1.82 AU - 2.84 AU

Year: 1564 Days

Day: 27 Hours

Environment

Temp: -134 °C

Axial Tilt: 18.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 33,036,549 km

• M1: 874,998 km (0.087 R)

Planet 2 - Terrestrial

Semi-Major Axis: 2.39 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.56

Radius: 1.46

Gravity: 1.2 G

Time & Orbit

Eccentricity (e): 0.128

Orbit Range: 2.08 AU - 2.7 AU

Year: 1625 Days

Day: 28.5 Hours

Environment

Temp: -126 °C

Axial Tilt: 18.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Gas Giant

Semi-Major Axis: 2.77 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 58.5

Radius: 11.6

Gravity: 0.43 G

Time & Orbit

Eccentricity (e): 0.164

Orbit Range: 2.32 AU - 3.22 AU

Year: 2027 Days

Day: 9.3 Hours

Environment

Temp: -134 °C

Axial Tilt: 15.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 33,036,549 km

• M1: 144,212 km (0.101 R)
• M2: 760,855 km (0.103 R)
• M3: 1,473,539 km (0.085 R)
• M4: 1,862,344 km (0.07 R)
• M5: 2,272,541 km (0.114 R)
• M6: 2,646,087 km (0.077 R)
• M7: 3,253,754 km (0.112 R)
• M8: 3,841,225 km (0.04 R)
• M9: 4,976,822 km (0.084 R)
• M10: 5,887,275 km (0.064 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.11 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 687.6

Radius: 14.6

Gravity: 3.23 G

Time & Orbit

Eccentricity (e): 0.232

Orbit Range: 2.39 AU - 3.83 AU

Year: 2412 Days

Day: 6.3 Hours

Environment

Temp: -153 °C

Axial Tilt: 39.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 33,036,549 km

• M1: 181,612 km (0.11 R)
• M2: 855,401 km (0.093 R)
• M3: 1,359,994 km (0.061 R)
• M4: 1,904,530 km (0.059 R)
• M5: 2,428,422 km (0.064 R)
• M6: 2,922,843 km (0.098 R)
• M7: 3,609,497 km (0.114 R)
• M8: 6,997,141 km (0.052 R)
• M9: 7,856,731 km (0.08 R)
• M10: 9,225,401 km (0.085 R)
• M11: 9,786,842 km (0.091 R)
• M12: 10,786,156 km (0.027 R)
• M13: 12,348,407 km (0.117 R)
• M14: 13,162,219 km (0.073 R)
• M15: 14,287,045 km (0.116 R)
• M16: 16,218,952 km (0.117 R)
• M17: 17,671,398 km (0.05 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.96 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 950.6

Radius: 9

Gravity: 11.74 G

Time & Orbit

Eccentricity (e): 0.155

Orbit Range: 4.19 AU - 5.73 AU

Year: 4857 Days

Day: 5.6 Hours

Environment

Temp: -176 °C

Axial Tilt: 8.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 33,036,549 km

• M1: 112,049 km (0.109 R)
• M2: 492,027 km (0.03 R)
• M3: 1,150,856 km (0.08 R)
• M4: 1,560,156 km (0.111 R)
• M5: 1,976,188 km (0.085 R)
• M6: 2,348,088 km (0.054 R)
• M7: 3,013,350 km (0.092 R)
• M8: 4,301,986 km (0.065 R)
• M9: 5,013,623 km (0.1 R)
• M10: 5,296,363 km (0.105 R)
• M11: 6,669,671 km (0.11 R)
• M12: 9,153,894 km (0.093 R)
• M13: 9,534,620 km (0.094 R)
• M14: 9,838,154 km (0.104 R)
• M15: 12,096,334 km (0.117 R)
• M16: 13,131,851 km (0.084 R)
• M17: 14,281,660 km (0.062 R)
• M18: 17,096,045 km (0.114 R)
• M19: 18,066,935 km (0.076 R)
• M20: 20,403,205 km (0.082 R)
• M21: 23,479,535 km (0.115 R)
• M22: 25,833,607 km (0.107 R)
• M23: 29,059,835 km (0.118 R)
• M24: 29,883,371 km (0.106 R)

Kuiper Belt

Range: 30 - 48 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 237 - 13,721 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit