🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.41 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.82 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.69

Radius: 1.69

Gravity: 1.29 G

Time & Orbit

Eccentricity (e): 0.126

Orbit Range: 0.72 AU - 0.92 AU

Year: 271 Days

Day: 42.6 Hours

Environment

Temp: 175 °C

Axial Tilt: 33.3 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.96 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.56

Radius: 1.46

Gravity: 1.2 G

Time & Orbit

Eccentricity (e): 0

Orbit Range: 0.96 AU - 0.96 AU

Year: 344 Days

Day: 15.4 Hours

Environment

Temp: 28 °C

Axial Tilt: 52.3 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Satellites (1)

Outer Limit: 33,954,349 km

• M1: 101,278 km (0.099 R)

Planet 3 - Terrestrial

Semi-Major Axis: 1 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.83

Radius: 0.93

Gravity: 0.96 G

Time & Orbit

Eccentricity (e): 0.168

Orbit Range: 0.83 AU - 1.17 AU

Year: 365 Days

Day: 35 Hours

Environment

Temp: 35 °C

Axial Tilt: 34.9 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (2)

Outer Limit: 33,954,349 km

• M1: 134,488 km (0.095 R)
• M2: 418,575 km (0.071 R)

Planet 4 - Terrestrial

Semi-Major Axis: 1.01 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.18

Radius: 0.5

Gravity: 0.72 G

Time & Orbit

Eccentricity (e): 0.039

Orbit Range: 0.97 AU - 1.05 AU

Year: 371 Days

Day: 23.4 Hours

Environment

Temp: 16 °C

Axial Tilt: 39.6 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 5 - Terrestrial

Semi-Major Axis: 1.55 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.92

Radius: 1.3

Gravity: 1.14 G

Time & Orbit

Eccentricity (e): 0.116

Orbit Range: 1.37 AU - 1.73 AU

Year: 705 Days

Day: 44 Hours

Environment

Temp: -35 °C

Axial Tilt: 48.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 33,954,349 km

• M1: 36,951 km (0.046 R)

Planet 6 - Terrestrial

Semi-Major Axis: 3.24 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.54

Radius: 1.19

Gravity: 1.09 G

Time & Orbit

Eccentricity (e): 0.06

Orbit Range: 3.05 AU - 3.43 AU

Year: 2130 Days

Day: 22.9 Hours

Environment

Temp: -113 °C

Axial Tilt: 16.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 33,954,349 km

• M1: 773,571 km (0.079 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5.94 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 711

Radius: 12.4

Gravity: 4.62 G

Time & Orbit

Eccentricity (e): 0.016

Orbit Range: 5.84 AU - 6.04 AU

Year: 5288 Days

Day: 5.4 Hours

Environment

Temp: -147 °C

Axial Tilt: 142.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 33,954,349 km

• M1: 154,385 km (0.108 R)
• M2: 558,898 km (0.11 R)
• M3: 1,076,955 km (0.104 R)
• M4: 1,753,885 km (0.098 R)
• M5: 2,700,242 km (0.097 R)
• M6: 3,757,151 km (0.071 R)
• M7: 4,392,941 km (0.107 R)
• M8: 4,802,840 km (0.085 R)
• M9: 5,379,839 km (0.1 R)
• M10: 5,910,911 km (0.048 R)
• M11: 7,975,960 km (0.102 R)
• M12: 9,441,570 km (0.09 R)
• M13: 10,216,188 km (0.087 R)
• M14: 12,139,269 km (0.077 R)
• M15: 13,691,646 km (0.092 R)
• M16: 20,878,627 km (0.113 R)
• M17: 25,556,552 km (0.045 R)
• M18: 26,051,422 km (0.071 R)
• M19: 28,533,849 km (0.09 R)

Planet 8 - Gas Giant

Semi-Major Axis: 11.46 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 511.6

Radius: 14.3

Gravity: 2.5 G

Time & Orbit

Eccentricity (e): 0.036

Orbit Range: 11.05 AU - 11.87 AU

Year: 14170 Days

Day: 11.6 Hours

Environment

Temp: -173 °C

Axial Tilt: 37.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 33,954,349 km

• M1: 177,872 km (0.115 R)
• M2: 728,990 km (0.079 R)
• M3: 1,230,442 km (0.115 R)
• M4: 1,699,133 km (0.089 R)
• M5: 3,155,019 km (0.117 R)
• M6: 3,919,315 km (0.117 R)
• M7: 4,996,868 km (0.114 R)
• M8: 7,956,213 km (0.105 R)
• M9: 13,722,313 km (0.112 R)
• M10: 16,115,431 km (0.058 R)
• M11: 17,987,199 km (0.114 R)
• M12: 19,258,781 km (0.117 R)
• M13: 20,167,289 km (0.042 R)
• M14: 28,387,991 km (0.049 R)
• M15: 29,133,138 km (0.091 R)
• M16: 30,662,477 km (0.104 R)
• M17: 33,880,926 km (0.082 R)
• M18: 34,840,446 km (0.09 R)
• M19: 37,827,766 km (0.079 R)
• M20: 44,878,763 km (0.062 R)
• M21: 49,473,961 km (0.106 R)
• M22: 50,243,342 km (0.079 R)
• M23: 52,440,337 km (0.106 R)
• M24: 53,562,470 km (0.113 R)

Planet 9 - Ice Giant

Semi-Major Axis: 12.52 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 93

Radius: 7.7

Gravity: 1.57 G

Time & Orbit

Eccentricity (e): 0.093

Orbit Range: 11.36 AU - 13.68 AU

Year: 16181 Days

Day: 15.1 Hours

Environment

Temp: -178 °C

Axial Tilt: 175.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 33,954,349 km

• M1: 97,837 km (0.111 R)
• M2: 762,201 km (0.062 R)
• M3: 1,547,440 km (0.114 R)
• M4: 1,968,409 km (0.079 R)
• M5: 2,515,787 km (0.063 R)
• M6: 2,769,057 km (0.038 R)
• M7: 3,863,664 km (0.039 R)
• M8: 4,103,619 km (0.056 R)
• M9: 4,482,251 km (0.042 R)
• M10: 6,736,243 km (0.089 R)
• M11: 11,413,121 km (0.109 R)
• M12: 13,871,762 km (0.1 R)
• M13: 15,493,103 km (0.072 R)
• M14: 22,391,809 km (0.118 R)
• M15: 26,118,591 km (0.109 R)
• M16: 29,958,170 km (0.106 R)

Kuiper Belt

Range: 30 - 56 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 235 - 16,480 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit