🌌 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: 0.64 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 21.6

Radius: 10.9

Gravity: 0.18 G

Time & Orbit

Eccentricity (e): 0.202

Orbit Range: 0.51 AU - 0.77 AU

Year: 347 Days

Day: 10.1 Hours

Environment

Temp: -156 °C

Axial Tilt: 43.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (3)

Outer Limit: 12,297,152 km

• M1: 135,536 km (0.073 R)
• M2: 537,206 km (0.102 R)
• M3: 1,045,390 km (0.12 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.14 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 41.5

Radius: 9.4

Gravity: 0.47 G

Time & Orbit

Eccentricity (e): 0.057

Orbit Range: 1.08 AU - 1.2 AU

Year: 826 Days

Day: 11.9 Hours

Environment

Temp: -184 °C

Axial Tilt: 45.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 12,297,152 km

• M1: 116,836 km (0.077 R)
• M2: 414,984 km (0.119 R)
• M3: 752,926 km (0.106 R)
• M4: 1,231,490 km (0.111 R)
• M5: 1,544,448 km (0.111 R)
• M6: 1,911,113 km (0.108 R)
• M7: 2,583,705 km (0.066 R)
• M8: 2,911,773 km (0.094 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.99 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 155.2

Radius: 12.5

Gravity: 0.99 G

Time & Orbit

Eccentricity (e): 0.183

Orbit Range: 1.63 AU - 2.35 AU

Year: 1904 Days

Day: 7.8 Hours

Environment

Temp: -211 °C

Axial Tilt: 10.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 12,297,152 km

• M1: 156,629 km (0.106 R)
• M2: 685,906 km (0.097 R)
• M3: 1,118,394 km (0.065 R)
• M4: 2,456,397 km (0.06 R)
• M5: 3,004,673 km (0.086 R)
• M6: 4,482,850 km (0.104 R)
• M7: 5,045,787 km (0.045 R)
• M8: 5,715,237 km (0.108 R)
• M9: 6,508,405 km (0.087 R)
• M10: 7,092,435 km (0.114 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.51 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 592.2

Radius: 12.7

Gravity: 3.67 G

Time & Orbit

Eccentricity (e): 0.19

Orbit Range: 2.84 AU - 4.18 AU

Year: 4460 Days

Day: 8.9 Hours

Environment

Temp: -224 °C

Axial Tilt: 47.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 12,297,152 km

• M1: 157,975 km (0.088 R)
• M2: 592,108 km (0.12 R)
• M3: 1,076,057 km (0.086 R)
• M4: 1,778,569 km (0.1 R)
• M5: 2,720,437 km (0.059 R)
• M6: 3,410,981 km (0.113 R)
• M7: 5,013,773 km (0.093 R)
• M8: 5,600,047 km (0.111 R)
• M9: 7,915,373 km (0.082 R)
• M10: 8,712,281 km (0.043 R)
• M11: 9,246,794 km (0.09 R)
• M12: 10,130,917 km (0.102 R)
• M13: 11,070,691 km (0.115 R)
• M14: 12,349,603 km (0.12 R)
• M15: 12,781,044 km (0.077 R)
• M16: 13,522,451 km (0.094 R)
• M17: 15,036,980 km (0.105 R)
• M18: 16,202,347 km (0.059 R)
• M19: 19,668,829 km (0.117 R)
• M20: 20,390,489 km (0.105 R)
• M21: 20,926,498 km (0.111 R)
• M22: 21,403,117 km (0.108 R)
• M23: 26,103,332 km (0.11 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.55 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 56.2

Radius: 13

Gravity: 0.33 G

Time & Orbit

Eccentricity (e): 0.183

Orbit Range: 2.9 AU - 4.2 AU

Year: 4537 Days

Day: 5.5 Hours

Environment

Temp: -219 °C

Axial Tilt: 36.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 12,297,152 km

• M1: 162,613 km (0.069 R)
• M2: 617,839 km (0.066 R)
• M3: 1,202,468 km (0.034 R)
• M4: 1,877,902 km (0.04 R)
• M5: 2,730,909 km (0.068 R)
• M6: 4,432,136 km (0.094 R)
• M7: 5,139,285 km (0.046 R)
• M8: 6,682,836 km (0.042 R)
• M9: 7,561,873 km (0.095 R)
• M10: 8,544,881 km (0.104 R)

Kuiper Belt

Range: 30 - 47 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 260 - 10,288 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit