🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.32 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.63 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 617.5

Radius: 14.6

Gravity: 2.9 G

Time & Orbit

Eccentricity (e): 0.162

Orbit Range: 0.53 AU - 0.73 AU

Year: 345 Days

Day: 6.5 Hours

Environment

Temp: -152 °C

Axial Tilt: 24 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 20,123,952 km

• M1: 181,911 km (0.086 R)
• M2: 701,016 km (0.114 R)
• M3: 1,346,830 km (0.101 R)
• M4: 2,215,993 km (0.097 R)
• M5: 2,855,225 km (0.103 R)
• M6: 3,616,080 km (0.116 R)
• M7: 4,120,374 km (0.104 R)
• M8: 4,644,266 km (0.112 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.73 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 281.3

Radius: 13

Gravity: 1.66 G

Time & Orbit

Eccentricity (e): 0.088

Orbit Range: 0.67 AU - 0.79 AU

Year: 431 Days

Day: 12.5 Hours

Environment

Temp: -168 °C

Axial Tilt: 3.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 20,123,952 km

• M1: 161,715 km (0.094 R)
• M2: 651,499 km (0.087 R)
• M3: 1,261,409 km (0.086 R)
• M4: 1,787,844 km (0.051 R)
• M5: 2,287,501 km (0.113 R)
• M6: 2,731,807 km (0.077 R)
• M7: 3,390,486 km (0.086 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.67 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 351.2

Radius: 9.9

Gravity: 3.58 G

Time & Orbit

Eccentricity (e): 0.206

Orbit Range: 1.33 AU - 2.01 AU

Year: 1490 Days

Day: 10.6 Hours

Environment

Temp: -200 °C

Axial Tilt: 22.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 20,123,952 km

• M1: 123,269 km (0.059 R)
• M2: 459,415 km (0.06 R)
• M3: 1,133,653 km (0.094 R)
• M4: 1,447,359 km (0.078 R)
• M5: 2,055,624 km (0.105 R)
• M6: 2,368,134 km (0.076 R)
• M7: 3,794,400 km (0.086 R)
• M8: 4,783,093 km (0.067 R)
• M9: 5,559,356 km (0.11 R)
• M10: 6,151,165 km (0.071 R)
• M11: 6,691,363 km (0.088 R)
• M12: 7,116,969 km (0.069 R)
• M13: 8,368,056 km (0.098 R)
• M14: 9,060,096 km (0.12 R)
• M15: 9,376,495 km (0.029 R)
• M16: 9,730,145 km (0.117 R)
• M17: 10,215,440 km (0.108 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.81 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 479.5

Radius: 10.8

Gravity: 4.11 G

Time & Orbit

Eccentricity (e): 0.048

Orbit Range: 2.68 AU - 2.94 AU

Year: 3251 Days

Day: 11.5 Hours

Environment

Temp: -217 °C

Axial Tilt: 23.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 20,123,952 km

• M1: 134,339 km (0.112 R)
• M2: 510,578 km (0.092 R)
• M3: 955,182 km (0.047 R)
• M4: 1,413,700 km (0.081 R)
• M5: 1,837,062 km (0.111 R)
• M6: 2,678,251 km (0.113 R)
• M7: 3,026,814 km (0.062 R)
• M8: 3,441,948 km (0.096 R)
• M9: 3,816,840 km (0.096 R)
• M10: 4,452,033 km (0.118 R)
• M11: 4,967,846 km (0.062 R)
• M12: 5,573,418 km (0.026 R)
• M13: 6,336,816 km (0.073 R)
• M14: 8,333,499 km (0.101 R)
• M15: 9,331,466 km (0.096 R)
• M16: 9,878,097 km (0.087 R)
• M17: 11,730,119 km (0.109 R)
• M18: 12,238,003 km (0.095 R)
• M19: 14,609,878 km (0.12 R)
• M20: 14,950,961 km (0.08 R)
• M21: 16,057,985 km (0.118 R)
• M22: 17,435,781 km (0.107 R)
• M23: 19,121,749 km (0.077 R)

Kuiper Belt

Range: 30 - 51 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 222 - 17,550 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit