🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.43 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.86 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 92

Radius: 10.4

Gravity: 0.85 G

Time & Orbit

Eccentricity (e): 0.178

Orbit Range: 0.71 AU - 1.01 AU

Year: 541 Days

Day: 14.9 Hours

Environment

Temp: -167 °C

Axial Tilt: 6.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 37,005,723 km

• M1: 130,300 km (0.045 R)
• M2: 489,484 km (0.118 R)
• M3: 927,507 km (0.094 R)
• M4: 1,259,614 km (0.105 R)
• M5: 1,900,043 km (0.057 R)
• M6: 2,965,030 km (0.079 R)

Planet 2 - Gas Giant

Semi-Major Axis: 2.37 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 435.5

Radius: 15

Gravity: 1.94 G

Time & Orbit

Eccentricity (e): 0.173

Orbit Range: 1.96 AU - 2.78 AU

Year: 2475 Days

Day: 7.2 Hours

Environment

Temp: -201 °C

Axial Tilt: 35.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 37,005,723 km

• M1: 186,549 km (0.06 R)
• M2: 737,817 km (0.11 R)
• M3: 1,206,656 km (0.084 R)
• M4: 1,843,195 km (0.06 R)
• M5: 3,160,554 km (0.099 R)
• M6: 3,885,805 km (0.103 R)
• M7: 5,191,645 km (0.105 R)
• M8: 6,230,751 km (0.104 R)
• M9: 6,853,677 km (0.102 R)
• M10: 7,432,770 km (0.099 R)
• M11: 8,784,537 km (0.038 R)
• M12: 9,841,595 km (0.099 R)
• M13: 11,507,816 km (0.099 R)
• M14: 12,368,303 km (0.115 R)
• M15: 14,752,893 km (0.052 R)
• M16: 15,255,243 km (0.092 R)
• M17: 15,863,508 km (0.093 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.64 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 87.1

Radius: 10.8

Gravity: 0.75 G

Time & Orbit

Eccentricity (e): 0.074

Orbit Range: 2.44 AU - 2.84 AU

Year: 2909 Days

Day: 7.5 Hours

Environment

Temp: -203 °C

Axial Tilt: 138.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 37,005,723 km

• M1: 193,280 km (0.055 R)
• M2: 537,804 km (0.113 R)
• M3: 1,536,669 km (0.111 R)
• M4: 2,110,377 km (0.094 R)
• M5: 4,577,695 km (0.106 R)
• M6: 5,937,689 km (0.12 R)

Planet 4 - Ice Giant

Semi-Major Axis: 6.52 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 125.4

Radius: 5

Gravity: 5.02 G

Time & Orbit

Eccentricity (e): 0.225

Orbit Range: 5.05 AU - 7.99 AU

Year: 11292 Days

Day: 19 Hours

Environment

Temp: -223 °C

Axial Tilt: 17.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 37,005,723 km

• M1: 62,532 km (0.094 R)
• M2: 308,620 km (0.107 R)
• M3: 897,737 km (0.091 R)
• M4: 1,282,054 km (0.12 R)
• M5: 1,590,525 km (0.097 R)
• M6: 2,622,600 km (0.092 R)
• M7: 6,487,312 km (0.115 R)
• M8: 6,879,258 km (0.117 R)
• M9: 8,490,726 km (0.119 R)
• M10: 9,653,102 km (0.064 R)
• M11: 15,482,781 km (0.107 R)
• M12: 17,269,578 km (0.109 R)
• M13: 17,455,379 km (0.103 R)
• M14: 20,406,945 km (0.1 R)
• M15: 21,747,042 km (0.106 R)
• M16: 22,036,514 km (0.08 R)
• M17: 22,697,288 km (0.107 R)

Planet 5 - Ice Giant

Semi-Major Axis: 10.47 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 59.7

Radius: 7.1

Gravity: 1.18 G

Time & Orbit

Eccentricity (e): 0.055

Orbit Range: 9.89 AU - 11.05 AU

Year: 22978 Days

Day: 17.5 Hours

Environment

Temp: -232 °C

Axial Tilt: 17.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 37,005,723 km

• M1: 92,601 km (0.083 R)
• M2: 924,964 km (0.07 R)
• M3: 1,298,061 km (0.119 R)
• M4: 3,970,327 km (0.1 R)
• M5: 5,522,405 km (0.117 R)
• M6: 7,904,003 km (0.079 R)
• M7: 13,413,394 km (0.091 R)

Kuiper Belt

Range: 30 - 46 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 395 - 16,891 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit