🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.68 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.7

Radius: 1.24

Gravity: 1.11 G

Time & Orbit

Eccentricity (e): 0.091

Orbit Range: 0.62 AU - 0.74 AU

Year: 198 Days

Day: 31.7 Hours

Environment

Temp: 209 °C

Axial Tilt: 37.5 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 1.17 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.02

Radius: 1.56

Gravity: 1.24 G

Time & Orbit

Eccentricity (e): 0.213

Orbit Range: 0.92 AU - 1.42 AU

Year: 447 Days

Day: 47.8 Hours

Environment

Temp: 39 °C

Axial Tilt: 43.4 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 3 - Terrestrial

Semi-Major Axis: 1.78 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.07

Radius: 1.34

Gravity: 1.15 G

Time & Orbit

Eccentricity (e): 0.038

Orbit Range: 1.71 AU - 1.85 AU

Year: 839 Days

Day: 21.7 Hours

Environment

Temp: -39 °C

Axial Tilt: 10.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 51,818,375 km

• M1: 690,095 km (0.058 R)

Planet 4 - Terrestrial

Semi-Major Axis: 3.44 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.17

Radius: 1.06

Gravity: 1.04 G

Time & Orbit

Eccentricity (e): 0.021

Orbit Range: 3.37 AU - 3.51 AU

Year: 2253 Days

Day: 24.1 Hours

Environment

Temp: -109 °C

Axial Tilt: 34.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 4.48 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 5 - Gas Giant

Semi-Major Axis: 5.52 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 596.3

Radius: 10

Gravity: 5.96 G

Time & Orbit

Eccentricity (e): 0.087

Orbit Range: 5.04 AU - 6 AU

Year: 4579 Days

Day: 9.3 Hours

Environment

Temp: -145 °C

Axial Tilt: 21.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 51,818,375 km

• M1: 128,205 km (0.112 R)
• M2: 489,185 km (0.104 R)
• M3: 1,036,414 km (0.032 R)
• M4: 3,269,910 km (0.091 R)
• M5: 4,108,556 km (0.083 R)
• M6: 4,928,801 km (0.112 R)
• M7: 5,883,535 km (0.092 R)
• M8: 6,268,001 km (0.071 R)
• M9: 6,732,503 km (0.111 R)
• M10: 7,489,169 km (0.091 R)
• M11: 7,800,332 km (0.036 R)
• M12: 10,101,297 km (0.041 R)
• M13: 11,048,102 km (0.105 R)
• M14: 12,053,100 km (0.03 R)
• M15: 14,139,093 km (0.118 R)
• M16: 14,830,834 km (0.118 R)
• M17: 15,713,012 km (0.112 R)
• M18: 19,013,441 km (0.098 R)
• M19: 24,221,391 km (0.102 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.92 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 853.1

Radius: 13.6

Gravity: 4.61 G

Time & Orbit

Eccentricity (e): 0.135

Orbit Range: 5.12 AU - 6.72 AU

Year: 5086 Days

Day: 8 Hours

Environment

Temp: -142 °C

Axial Tilt: 37.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 51,818,375 km

• M1: 171,140 km (0.027 R)
• M2: 730,486 km (0.096 R)
• M3: 1,190,949 km (0.092 R)
• M4: 1,948,811 km (0.098 R)
• M5: 2,804,661 km (0.075 R)
• M6: 3,268,713 km (0.087 R)
• M7: 3,761,788 km (0.101 R)
• M8: 4,255,461 km (0.058 R)
• M9: 5,146,915 km (0.086 R)
• M10: 6,096,562 km (0.039 R)
• M11: 6,713,803 km (0.094 R)
• M12: 15,862,012 km (0.054 R)
• M13: 19,269,253 km (0.093 R)
• M14: 21,919,080 km (0.11 R)
• M15: 22,522,558 km (0.042 R)
• M16: 25,047,919 km (0.092 R)
• M17: 25,707,646 km (0.078 R)
• M18: 27,234,442 km (0.097 R)
• M19: 29,000,894 km (0.115 R)
• M20: 30,189,449 km (0.089 R)
• M21: 31,410,167 km (0.118 R)

Planet 7 - Gas Giant

Semi-Major Axis: 6.15 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 178.2

Radius: 12.2

Gravity: 1.2 G

Time & Orbit

Eccentricity (e): 0.152

Orbit Range: 5.22 AU - 7.08 AU

Year: 5385 Days

Day: 7.9 Hours

Environment

Temp: -146 °C

Axial Tilt: 29.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 51,818,375 km

• M1: 154,535 km (0.117 R)
• M2: 547,379 km (0.117 R)
• M3: 1,228,797 km (0.076 R)
• M4: 6,813,136 km (0.078 R)
• M5: 8,297,745 km (0.116 R)
• M6: 9,728,050 km (0.065 R)
• M7: 12,194,620 km (0.118 R)
• M8: 13,298,054 km (0.032 R)
• M9: 13,711,243 km (0.115 R)
• M10: 15,002,572 km (0.084 R)
• M11: 16,165,247 km (0.1 R)
• M12: 19,657,011 km (0.109 R)

Planet 8 - Ice Giant

Semi-Major Axis: 13.34 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 292.4

Radius: 4.2

Gravity: 16.58 G

Time & Orbit

Eccentricity (e): 0.222

Orbit Range: 10.38 AU - 16.3 AU

Year: 17204 Days

Day: 24.9 Hours

Environment

Temp: -182 °C

Axial Tilt: 14.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 51,818,375 km

• M1: 52,210 km (0.084 R)
• M2: 491,728 km (0.115 R)
• M3: 665,711 km (0.113 R)
• M4: 2,329,239 km (0.117 R)
• M5: 2,528,354 km (0.101 R)
• M6: 3,006,319 km (0.07 R)
• M7: 4,461,906 km (0.077 R)
• M8: 4,738,064 km (0.045 R)
• M9: 5,090,965 km (0.102 R)
• M10: 5,392,554 km (0.08 R)
• M11: 9,488,395 km (0.079 R)
• M12: 10,415,901 km (0.041 R)
• M13: 18,423,726 km (0.079 R)
• M14: 20,025,021 km (0.12 R)
• M15: 22,956,242 km (0.071 R)
• M16: 29,544,532 km (0.096 R)
• M17: 30,515,572 km (0.12 R)
• M18: 31,843,104 km (0.092 R)
• M19: 43,461,323 km (0.056 R)
• M20: 45,566,015 km (0.106 R)
• M21: 47,151,753 km (0.065 R)

Kuiper Belt

Range: 31.1 - 55.1 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 396 - 14,730 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit