🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.37 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.73 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.89

Radius: 1.89

Gravity: 1.37 G

Time & Orbit

Eccentricity (e): 0.149

Orbit Range: 0.62 AU - 0.84 AU

Year: 227 Days

Day: 29.9 Hours

Environment

Temp: 115 °C

Axial Tilt: 42.3 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 50,133,782 km

• M1: 45,328 km (0.082 R)

Planet 2 - Terrestrial

Semi-Major Axis: 0.95 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.17

Radius: 1.59

Gravity: 1.25 G

Time & Orbit

Eccentricity (e): 0.009

Orbit Range: 0.94 AU - 0.96 AU

Year: 337 Days

Day: 45.5 Hours

Environment

Temp: 67 °C

Axial Tilt: 14.4 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (2)

Outer Limit: 50,133,782 km

• M1: 91,105 km (0.069 R)
• M2: 546,631 km (0.087 R)

Planet 3 - Terrestrial

Semi-Major Axis: 1.4 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.81

Radius: 1.51

Gravity: 1.23 G

Time & Orbit

Eccentricity (e): 0.086

Orbit Range: 1.28 AU - 1.52 AU

Year: 602 Days

Day: 33.2 Hours

Environment

Temp: 4 °C

Axial Tilt: 8.8 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Satellites (2)

Outer Limit: 50,133,782 km

• M1: 36,801 km (0.086 R)
• M2: 415,732 km (0.077 R)

Planet 4 - Terrestrial

Semi-Major Axis: 2.66 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.66

Radius: 1.22

Gravity: 1.12 G

Time & Orbit

Eccentricity (e): 0.232

Orbit Range: 2.04 AU - 3.28 AU

Year: 1577 Days

Day: 33.5 Hours

Environment

Temp: -96 °C

Axial Tilt: 34.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 4.17 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.26

Radius: 1.1

Gravity: 1.04 G

Time & Orbit

Eccentricity (e): 0.161

Orbit Range: 3.5 AU - 4.84 AU

Year: 3095 Days

Day: 43.8 Hours

Environment

Temp: -121 °C

Axial Tilt: 32 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 50,133,782 km

• M1: 93,947 km (0.1 R)

Asteroid Belt

Center: 5.48 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 6 - Gas Giant

Semi-Major Axis: 6.79 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 545.5

Radius: 11

Gravity: 4.51 G

Time & Orbit

Eccentricity (e): 0.099

Orbit Range: 6.12 AU - 7.46 AU

Year: 6430 Days

Day: 8.3 Hours

Environment

Temp: -145 °C

Axial Tilt: 33 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 50,133,782 km

• M1: 142,268 km (0.1 R)
• M2: 537,804 km (0.078 R)
• M3: 1,118,842 km (0.041 R)
• M4: 1,611,468 km (0.072 R)
• M5: 2,122,345 km (0.119 R)
• M6: 2,475,845 km (0.068 R)
• M7: 2,850,139 km (0.09 R)
• M8: 3,303,570 km (0.035 R)
• M9: 3,897,324 km (0.105 R)
• M10: 4,432,585 km (0.111 R)
• M11: 5,016,465 km (0.111 R)
• M12: 6,906,634 km (0.096 R)
• M13: 7,954,867 km (0.062 R)
• M14: 10,918,401 km (0.071 R)
• M15: 11,884,803 km (0.108 R)
• M16: 13,225,200 km (0.119 R)
• M17: 14,379,497 km (0.094 R)
• M18: 15,659,456 km (0.093 R)
• M19: 16,388,746 km (0.092 R)
• M20: 17,013,766 km (0.093 R)
• M21: 18,311,527 km (0.069 R)
• M22: 21,176,327 km (0.106 R)
• M23: 22,753,687 km (0.114 R)
• M24: 23,140,397 km (0.071 R)
• M25: 23,531,595 km (0.101 R)
• M26: 25,388,404 km (0.083 R)
• M27: 27,167,273 km (0.11 R)
• M28: 27,515,237 km (0.088 R)
• M29: 28,309,303 km (0.104 R)

Planet 7 - Gas Giant

Semi-Major Axis: 8.47 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 976.5

Radius: 13.1

Gravity: 5.69 G

Time & Orbit

Eccentricity (e): 0.204

Orbit Range: 6.74 AU - 10.2 AU

Year: 8959 Days

Day: 9.4 Hours

Environment

Temp: -173 °C

Axial Tilt: 21.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 50,133,782 km

• M1: 177,872 km (0.116 R)
• M2: 619,186 km (0.081 R)
• M3: 1,135,597 km (0.112 R)
• M4: 1,580,651 km (0.066 R)
• M5: 2,058,467 km (0.108 R)
• M6: 2,926,583 km (0.11 R)
• M7: 3,632,236 km (0.043 R)
• M8: 5,350,966 km (0.104 R)
• M9: 6,297,472 km (0.113 R)
• M10: 7,189,225 km (0.115 R)
• M11: 8,119,275 km (0.108 R)
• M12: 9,912,804 km (0.118 R)
• M13: 10,742,174 km (0.103 R)
• M14: 11,673,571 km (0.111 R)
• M15: 12,421,560 km (0.055 R)
• M16: 15,058,073 km (0.097 R)
• M17: 15,599,767 km (0.056 R)
• M18: 16,650,243 km (0.062 R)
• M19: 17,156,482 km (0.1 R)
• M20: 17,672,894 km (0.067 R)
• M21: 21,926,261 km (0.064 R)
• M22: 24,428,136 km (0.114 R)
• M23: 24,894,133 km (0.081 R)
• M24: 26,719,526 km (0.052 R)
• M25: 29,780,897 km (0.055 R)
• M26: 33,869,556 km (0.079 R)
• M27: 36,591,639 km (0.045 R)
• M28: 37,202,148 km (0.091 R)
• M29: 40,487,168 km (0.106 R)
• M30: 49,685,342 km (0.055 R)

Kuiper Belt

Range: 30.2 - 52.2 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 390 - 10,770 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit