🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.38 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.76 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 130.2

Radius: 9.9

Gravity: 1.33 G

Time & Orbit

Eccentricity (e): 0.208

Orbit Range: 0.6 AU - 0.92 AU

Year: 466 Days

Day: 7.4 Hours

Environment

Temp: -162 °C

Axial Tilt: 11.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 36,764,761 km

• M1: 123,119 km (0.098 R)
• M2: 480,658 km (0.104 R)
• M3: 1,376,899 km (0.117 R)
• M4: 1,720,226 km (0.044 R)
• M5: 2,128,329 km (0.119 R)
• M6: 3,057,631 km (0.09 R)

Planet 2 - Gas Giant

Semi-Major Axis: 2.69 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 429.7

Radius: 13.5

Gravity: 2.36 G

Time & Orbit

Eccentricity (e): 0.057

Orbit Range: 2.54 AU - 2.84 AU

Year: 3101 Days

Day: 9.5 Hours

Environment

Temp: -213 °C

Axial Tilt: 7.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 36,764,761 km

• M1: 167,998 km (0.079 R)
• M2: 750,233 km (0.061 R)
• M3: 1,387,371 km (0.091 R)
• M4: 1,899,893 km (0.086 R)
• M5: 2,414,061 km (0.111 R)
• M6: 2,989,115 km (0.096 R)
• M7: 3,897,922 km (0.077 R)
• M8: 4,983,703 km (0.098 R)
• M9: 7,356,475 km (0.102 R)
• M10: 8,807,126 km (0.09 R)
• M11: 11,290,002 km (0.063 R)
• M12: 15,544,565 km (0.031 R)
• M13: 17,436,978 km (0.096 R)
• M14: 18,576,914 km (0.098 R)

Planet 3 - Gas Giant

Semi-Major Axis: 3.17 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 399.9

Radius: 14.6

Gravity: 1.88 G

Time & Orbit

Eccentricity (e): 0.196

Orbit Range: 2.55 AU - 3.79 AU

Year: 3967 Days

Day: 11.1 Hours

Environment

Temp: -208 °C

Axial Tilt: 1.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 36,764,761 km

• M1: 184,903 km (0.116 R)
• M2: 710,141 km (0.102 R)
• M3: 1,294,620 km (0.065 R)
• M4: 2,408,376 km (0.06 R)
• M5: 2,943,787 km (0.116 R)
• M6: 3,615,481 km (0.062 R)
• M7: 4,388,005 km (0.065 R)
• M8: 9,121,880 km (0.12 R)
• M9: 11,040,024 km (0.073 R)
• M10: 13,967,056 km (0.091 R)
• M11: 16,132,186 km (0.106 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.21 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 37.1

Radius: 9.2

Gravity: 0.44 G

Time & Orbit

Eccentricity (e): 0.127

Orbit Range: 2.8 AU - 3.62 AU

Year: 4043 Days

Day: 5.2 Hours

Environment

Temp: -207 °C

Axial Tilt: 15.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 36,764,761 km

• M1: 119,678 km (0.056 R)
• M2: 423,661 km (0.093 R)
• M3: 1,540,708 km (0.078 R)
• M4: 2,066,545 km (0.081 R)
• M5: 4,167,049 km (0.08 R)
• M6: 4,676,579 km (0.074 R)
• M7: 5,677,987 km (0.088 R)
• M8: 6,861,905 km (0.097 R)
• M9: 7,306,958 km (0.067 R)
• M10: 7,997,801 km (0.1 R)
• M11: 9,509,338 km (0.081 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.84 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 732.5

Radius: 9.8

Gravity: 7.63 G

Time & Orbit

Eccentricity (e): 0.012

Orbit Range: 4.78 AU - 4.9 AU

Year: 7485 Days

Day: 8.5 Hours

Environment

Temp: -229 °C

Axial Tilt: 11.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 36,764,761 km

• M1: 122,820 km (0.108 R)
• M2: 458,817 km (0.117 R)
• M3: 1,198,728 km (0.097 R)
• M4: 1,622,838 km (0.074 R)
• M5: 2,297,674 km (0.078 R)
• M6: 3,064,064 km (0.115 R)
• M7: 3,841,973 km (0.074 R)
• M8: 5,528,838 km (0.117 R)
• M9: 6,018,173 km (0.064 R)
• M10: 9,957,085 km (0.12 R)
• M11: 11,236,296 km (0.092 R)
• M12: 13,998,920 km (0.1 R)
• M13: 15,857,973 km (0.075 R)
• M14: 18,228,201 km (0.078 R)
• M15: 18,585,142 km (0.069 R)
• M16: 19,386,687 km (0.094 R)
• M17: 19,908,634 km (0.109 R)
• M18: 21,930,001 km (0.087 R)
• M19: 24,341,818 km (0.117 R)
• M20: 26,195,036 km (0.101 R)
• M21: 31,084,044 km (0.087 R)
• M22: 31,696,498 km (0.103 R)
• M23: 32,630,138 km (0.105 R)
• M24: 36,436,057 km (0.098 R)
• M25: 37,116,877 km (0.103 R)
• M26: 38,387,262 km (0.081 R)
• M27: 38,738,668 km (0.038 R)

Planet 6 - Ice Giant

Semi-Major Axis: 6.1 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 275.6

Radius: 5.5

Gravity: 9.11 G

Time & Orbit

Eccentricity (e): 0.159

Orbit Range: 5.13 AU - 7.07 AU

Year: 10590 Days

Day: 24.5 Hours

Environment

Temp: -228 °C

Axial Tilt: 8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 36,764,761 km

• M1: 68,366 km (0.095 R)
• M2: 340,485 km (0.058 R)
• M3: 648,656 km (0.117 R)
• M4: 1,079,199 km (0.065 R)
• M5: 3,194,363 km (0.116 R)
• M6: 4,254,863 km (0.11 R)
• M7: 5,139,435 km (0.099 R)
• M8: 7,876,477 km (0.12 R)
• M9: 9,643,079 km (0.058 R)
• M10: 12,926,902 km (0.092 R)
• M11: 15,487,868 km (0.086 R)
• M12: 21,126,810 km (0.049 R)
• M13: 22,844,044 km (0.087 R)
• M14: 23,246,911 km (0.072 R)
• M15: 27,268,401 km (0.104 R)
• M16: 34,712,540 km (0.104 R)

Kuiper Belt

Range: 30 - 52 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 191 - 11,394 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit