🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.29 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.58 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.98

Radius: 1.31

Gravity: 1.15 G

Time & Orbit

Eccentricity (e): 0.087

Orbit Range: 0.53 AU - 0.63 AU

Year: 162 Days

Day: 24.7 Hours

Environment

Temp: 167 °C

Axial Tilt: 3.1 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (2)

Outer Limit: 48,172,252 km

• M1: 54,005 km (0.1 R)
• M2: 303,085 km (0.106 R)

Planet 2 - Terrestrial

Semi-Major Axis: 0.64 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.33

Radius: 1.8

Gravity: 1.34 G

Time & Orbit

Eccentricity (e): 0.224

Orbit Range: 0.5 AU - 0.78 AU

Year: 188 Days

Day: 18.6 Hours

Environment

Temp: 129 °C

Axial Tilt: 43.2 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 48,172,252 km

• M1: 66,870 km (0.118 R)

Planet 3 - Terrestrial

Semi-Major Axis: 1.45 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.97

Radius: 1.55

Gravity: 1.24 G

Time & Orbit

Eccentricity (e): 0.145

Orbit Range: 1.24 AU - 1.66 AU

Year: 641 Days

Day: 35.4 Hours

Environment

Temp: -24 °C

Axial Tilt: 6.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 48,172,252 km

• M1: 1,075,160 km (0.044 R)

Planet 4 - Terrestrial

Semi-Major Axis: 2.81 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.74

Radius: 0.89

Gravity: 0.93 G

Time & Orbit

Eccentricity (e): 0.17

Orbit Range: 2.33 AU - 3.29 AU

Year: 1729 Days

Day: 27.6 Hours

Environment

Temp: -92 °C

Axial Tilt: 14.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 3.91 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.44

Radius: 1.43

Gravity: 1.19 G

Time & Orbit

Eccentricity (e): 0.205

Orbit Range: 3.11 AU - 4.71 AU

Year: 2838 Days

Day: 44.6 Hours

Environment

Temp: -122 °C

Axial Tilt: 16.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 48,172,252 km

• M1: 838,047 km (0.031 R)

Asteroid Belt

Center: 4.85 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 6 - Gas Giant

Semi-Major Axis: 5.79 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 254.3

Radius: 12.9

Gravity: 1.53 G

Time & Orbit

Eccentricity (e): 0.079

Orbit Range: 5.33 AU - 6.25 AU

Year: 5114 Days

Day: 8.3 Hours

Environment

Temp: -146 °C

Axial Tilt: 9.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 48,172,252 km

• M1: 160,668 km (0.069 R)
• M2: 837,598 km (0.099 R)
• M3: 1,241,513 km (0.081 R)
• M4: 3,061,670 km (0.111 R)
• M5: 4,275,058 km (0.08 R)
• M6: 5,247,893 km (0.098 R)
• M7: 5,707,757 km (0.113 R)
• M8: 8,121,369 km (0.101 R)
• M9: 10,902,842 km (0.071 R)
• M10: 11,358,518 km (0.096 R)
• M11: 13,450,345 km (0.038 R)
• M12: 15,371,929 km (0.073 R)
• M13: 17,639,384 km (0.072 R)
• M14: 18,971,553 km (0.098 R)
• M15: 21,125,763 km (0.109 R)
• M16: 21,770,230 km (0.047 R)

Planet 7 - Gas Giant

Semi-Major Axis: 10.37 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 462.7

Radius: 13.9

Gravity: 2.39 G

Time & Orbit

Eccentricity (e): 0.197

Orbit Range: 8.33 AU - 12.41 AU

Year: 12259 Days

Day: 6.8 Hours

Environment

Temp: -183 °C

Axial Tilt: 12.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 48,172,252 km

• M1: 173,683 km (0.084 R)
• M2: 623,823 km (0.062 R)
• M3: 1,149,510 km (0.079 R)
• M4: 1,673,103 km (0.05 R)
• M5: 2,869,586 km (0.113 R)
• M6: 3,678,462 km (0.11 R)
• M7: 4,459,961 km (0.095 R)
• M8: 5,188,204 km (0.082 R)
• M9: 6,101,050 km (0.118 R)
• M10: 7,318,926 km (0.094 R)
• M11: 8,334,247 km (0.12 R)
• M12: 12,873,944 km (0.112 R)
• M13: 15,332,136 km (0.104 R)
• M14: 16,147,594 km (0.063 R)
• M15: 17,939,627 km (0.114 R)
• M16: 18,999,378 km (0.107 R)
• M17: 22,429,508 km (0.076 R)
• M18: 24,290,655 km (0.067 R)
• M19: 27,027,399 km (0.108 R)
• M20: 32,660,656 km (0.083 R)
• M21: 40,295,383 km (0.065 R)
• M22: 40,937,757 km (0.073 R)
• M23: 41,586,862 km (0.117 R)
• M24: 44,116,262 km (0.066 R)

Kuiper Belt

Range: 30 - 50 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 398 - 17,364 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit