🌌 Stone's Star System Generator

Asteroid Belt

Center: 2.05 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 4.09 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.67

Radius: 1.85

Gravity: 1.36 G

Time & Orbit

Eccentricity (e): 0.07

Orbit Range: 3.8 AU - 4.38 AU

Year: 3150 Days

Day: 34.2 Hours

Environment

Temp: -139 °C

Axial Tilt: 1.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Gas Giant

Semi-Major Axis: 4.33 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 503

Radius: 9.9

Gravity: 5.13 G

Time & Orbit

Eccentricity (e): 0.098

Orbit Range: 3.91 AU - 4.75 AU

Year: 3431 Days

Day: 9.1 Hours

Environment

Temp: -130 °C

Axial Tilt: 159 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 82,564,143 km

• M1: 123,119 km (0.094 R)
• M2: 464,352 km (0.084 R)
• M3: 807,081 km (0.107 R)
• M4: 1,181,823 km (0.037 R)
• M5: 1,930,261 km (0.101 R)
• M6: 2,296,776 km (0.102 R)
• M7: 3,260,037 km (0.118 R)
• M8: 4,319,938 km (0.063 R)
• M9: 4,766,039 km (0.104 R)
• M10: 5,169,205 km (0.042 R)
• M11: 6,044,203 km (0.057 R)
• M12: 7,075,231 km (0.11 R)
• M13: 8,152,785 km (0.112 R)
• M14: 8,489,679 km (0.094 R)
• M15: 9,083,732 km (0.07 R)
• M16: 10,790,494 km (0.095 R)
• M17: 12,791,067 km (0.097 R)
• M18: 13,385,569 km (0.102 R)
• M19: 14,335,964 km (0.106 R)
• M20: 15,381,503 km (0.103 R)
• M21: 17,291,270 km (0.038 R)
• M22: 17,680,075 km (0.09 R)
• M23: 18,765,258 km (0.079 R)
• M24: 20,942,056 km (0.115 R)

Planet 3 - Gas Giant

Semi-Major Axis: 8.73 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 37

Radius: 11

Gravity: 0.31 G

Time & Orbit

Eccentricity (e): 0.042

Orbit Range: 8.36 AU - 9.1 AU

Year: 9822 Days

Day: 10.3 Hours

Environment

Temp: -167 °C

Axial Tilt: 34 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 82,564,143 km

• M1: 136,882 km (0.105 R)
• M2: 1,073,664 km (0.092 R)
• M3: 2,452,208 km (0.102 R)
• M4: 4,149,845 km (0.104 R)
• M5: 4,729,088 km (0.082 R)
• M6: 8,028,918 km (0.109 R)
• M7: 10,443,427 km (0.06 R)
• M8: 12,039,337 km (0.117 R)
• M9: 12,493,965 km (0.06 R)
• M10: 13,219,066 km (0.093 R)

Planet 4 - Ice Giant

Semi-Major Axis: 16.96 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 59.8

Radius: 4.5

Gravity: 2.95 G

Time & Orbit

Eccentricity (e): 0.239

Orbit Range: 12.91 AU - 21.01 AU

Year: 26597 Days

Day: 24.8 Hours

Environment

Temp: -206 °C

Axial Tilt: 9.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 82,564,143 km

• M1: 55,950 km (0.106 R)
• M2: 219,759 km (0.059 R)
• M3: 797,506 km (0.088 R)
• M4: 1,009,486 km (0.075 R)
• M5: 1,342,192 km (0.079 R)
• M6: 1,686,566 km (0.055 R)
• M7: 1,973,645 km (0.085 R)
• M8: 2,275,084 km (0.051 R)
• M9: 2,492,600 km (0.109 R)
• M10: 3,229,519 km (0.077 R)
• M11: 3,770,465 km (0.112 R)
• M12: 4,234,218 km (0.113 R)
• M13: 5,030,079 km (0.111 R)
• M14: 7,408,087 km (0.048 R)
• M15: 8,216,813 km (0.116 R)
• M16: 8,860,682 km (0.073 R)
• M17: 10,200,181 km (0.119 R)
• M18: 10,394,958 km (0.093 R)
• M19: 10,994,097 km (0.093 R)
• M20: 15,207,372 km (0.041 R)
• M21: 17,321,638 km (0.12 R)
• M22: 19,699,197 km (0.1 R)
• M23: 24,650,288 km (0.077 R)
• M24: 28,986,682 km (0.119 R)
• M25: 30,875,056 km (0.073 R)
• M26: 31,487,958 km (0.117 R)
• M27: 33,482,547 km (0.056 R)

Planet 5 - Ice Giant

Semi-Major Axis: 17.27 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 468.7

Radius: 5.2

Gravity: 17.33 G

Time & Orbit

Eccentricity (e): 0.201

Orbit Range: 13.8 AU - 20.74 AU

Year: 27330 Days

Day: 22.5 Hours

Environment

Temp: -206 °C

Axial Tilt: 36.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (38)

Outer Limit: 82,564,143 km

• M1: 65,075 km (0.093 R)
• M2: 272,119 km (0.085 R)
• M3: 587,022 km (0.113 R)
• M4: 807,081 km (0.102 R)
• M5: 1,233,883 km (0.113 R)
• M6: 1,914,853 km (0.098 R)
• M7: 2,226,016 km (0.07 R)
• M8: 3,029,506 km (0.102 R)
• M9: 3,913,779 km (0.117 R)
• M10: 4,556,003 km (0.064 R)
• M11: 5,305,189 km (0.098 R)
• M12: 6,487,611 km (0.04 R)
• M13: 8,359,529 km (0.113 R)
• M14: 10,010,342 km (0.073 R)
• M15: 10,253,887 km (0.025 R)
• M16: 10,752,796 km (0.087 R)
• M17: 16,836,642 km (0.11 R)
• M18: 19,161,243 km (0.052 R)
• M19: 22,930,810 km (0.117 R)
• M20: 26,350,019 km (0.067 R)
• M21: 26,697,834 km (0.106 R)
• M22: 27,048,791 km (0.077 R)
• M23: 28,605,207 km (0.074 R)
• M24: 31,895,313 km (0.106 R)
• M25: 37,581,827 km (0.11 R)
• M26: 40,278,479 km (0.037 R)
• M27: 43,422,876 km (0.104 R)
• M28: 45,054,840 km (0.056 R)
• M29: 48,440,389 km (0.103 R)
• M30: 50,729,685 km (0.089 R)
• M31: 57,443,638 km (0.114 R)
• M32: 62,850,703 km (0.089 R)
• M33: 64,936,546 km (0.093 R)
• M34: 69,025,654 km (0.058 R)
• M35: 69,245,563 km (0.07 R)
• M36: 73,054,923 km (0.081 R)
• M37: 81,332,772 km (0.029 R)
• M38: 81,823,902 km (0.12 R)

Kuiper Belt

Range: 30 - 49 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 211 - 14,250 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit