🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.35 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.69 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 237.4

Radius: 9.9

Gravity: 2.42 G

Time & Orbit

Eccentricity (e): 0.074

Orbit Range: 0.64 AU - 0.74 AU

Year: 382 Days

Day: 14.5 Hours

Environment

Temp: -151 °C

Axial Tilt: 44.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 44,652,919 km

• M1: 124,166 km (0.093 R)
• M2: 440,267 km (0.075 R)
• M3: 840,740 km (0.118 R)
• M4: 1,166,863 km (0.12 R)
• M5: 1,739,674 km (0.1 R)
• M6: 2,154,209 km (0.063 R)
• M7: 2,827,400 km (0.091 R)
• M8: 3,193,915 km (0.12 R)
• M9: 3,507,920 km (0.092 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.7 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 825.1

Radius: 13

Gravity: 4.88 G

Time & Orbit

Eccentricity (e): 0.207

Orbit Range: 0.56 AU - 0.84 AU

Year: 391 Days

Day: 5.2 Hours

Environment

Temp: -150 °C

Axial Tilt: 40 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 44,652,919 km

• M1: 161,715 km (0.118 R)
• M2: 628,311 km (0.071 R)
• M3: 1,085,781 km (0.083 R)
• M4: 1,515,726 km (0.1 R)
• M5: 2,028,996 km (0.099 R)
• M6: 2,456,397 km (0.099 R)
• M7: 2,944,535 km (0.053 R)
• M8: 3,367,448 km (0.104 R)
• M9: 4,213,574 km (0.094 R)
• M10: 4,694,830 km (0.088 R)
• M11: 5,292,025 km (0.058 R)
• M12: 5,768,494 km (0.075 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.06 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 405

Radius: 14.4

Gravity: 1.95 G

Time & Orbit

Eccentricity (e): 0.145

Orbit Range: 0.91 AU - 1.21 AU

Year: 728 Days

Day: 8.5 Hours

Environment

Temp: -183 °C

Axial Tilt: 36.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 44,652,919 km

• M1: 179,517 km (0.077 R)
• M2: 831,315 km (0.107 R)
• M3: 1,285,345 km (0.077 R)
• M4: 1,896,003 km (0.099 R)
• M5: 2,794,039 km (0.082 R)
• M6: 5,261,058 km (0.071 R)
• M7: 5,711,198 km (0.119 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.44 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 451.7

Radius: 9.2

Gravity: 5.34 G

Time & Orbit

Eccentricity (e): 0.016

Orbit Range: 1.42 AU - 1.46 AU

Year: 1152 Days

Day: 11.1 Hours

Environment

Temp: -196 °C

Axial Tilt: 2.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 44,652,919 km

• M1: 114,442 km (0.084 R)
• M2: 410,945 km (0.047 R)
• M3: 763,099 km (0.052 R)
• M4: 1,643,482 km (0.082 R)
• M5: 2,039,468 km (0.094 R)
• M6: 2,408,077 km (0.05 R)
• M7: 2,734,799 km (0.058 R)
• M8: 3,198,402 km (0.027 R)
• M9: 4,267,130 km (0.086 R)
• M10: 4,730,733 km (0.077 R)
• M11: 5,799,461 km (0.118 R)
• M12: 6,132,615 km (0.085 R)
• M13: 7,304,565 km (0.104 R)
• M14: 8,486,837 km (0.047 R)
• M15: 9,305,287 km (0.092 R)

Planet 5 - Ice Giant

Semi-Major Axis: 9.17 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 161.5

Radius: 3.4

Gravity: 13.97 G

Time & Orbit

Eccentricity (e): 0.247

Orbit Range: 6.91 AU - 11.43 AU

Year: 18518 Days

Day: 23.7 Hours

Environment

Temp: -229 °C

Axial Tilt: 22.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 44,652,919 km

• M1: 42,336 km (0.12 R)
• M2: 730,935 km (0.084 R)
• M3: 1,333,067 km (0.093 R)
• M4: 1,890,169 km (0.117 R)
• M5: 2,607,940 km (0.114 R)
• M6: 2,854,776 km (0.102 R)
• M7: 3,371,038 km (0.098 R)
• M8: 3,689,083 km (0.119 R)
• M9: 5,485,904 km (0.058 R)
• M10: 6,497,634 km (0.114 R)
• M11: 6,873,573 km (0.078 R)
• M12: 6,989,063 km (0.066 R)
• M13: 11,357,171 km (0.055 R)
• M14: 12,984,646 km (0.072 R)
• M15: 13,823,142 km (0.103 R)
• M16: 14,318,311 km (0.106 R)
• M17: 15,874,428 km (0.064 R)
• M18: 17,042,489 km (0.114 R)
• M19: 17,325,378 km (0.102 R)
• M20: 18,192,896 km (0.085 R)
• M21: 22,968,659 km (0.078 R)
• M22: 23,574,979 km (0.108 R)
• M23: 25,183,006 km (0.086 R)
• M24: 27,342,152 km (0.102 R)
• M25: 32,672,025 km (0.079 R)
• M26: 34,328,971 km (0.061 R)
• M27: 34,893,404 km (0.12 R)
• M28: 36,741,536 km (0.114 R)
• M29: 40,631,380 km (0.07 R)
• M30: 42,935,636 km (0.027 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: 258 - 12,441 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit