🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.4 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.8 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 292.2

Radius: 15

Gravity: 1.3 G

Time & Orbit

Eccentricity (e): 0.216

Orbit Range: 0.63 AU - 0.97 AU

Year: 469 Days

Day: 6.1 Hours

Environment

Temp: -154 °C

Axial Tilt: 24.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 43,860,607 km

• M1: 186,549 km (0.081 R)
• M2: 995,424 km (0.101 R)
• M3: 2,119,203 km (0.102 R)
• M4: 2,681,542 km (0.09 R)
• M5: 3,155,617 km (0.068 R)
• M6: 3,697,461 km (0.118 R)
• M7: 4,225,691 km (0.103 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.04 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 809.5

Radius: 10.1

Gravity: 7.94 G

Time & Orbit

Eccentricity (e): 0.154

Orbit Range: 0.88 AU - 1.2 AU

Year: 696 Days

Day: 13.6 Hours

Environment

Temp: -161 °C

Axial Tilt: 39.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 43,860,607 km

• M1: 127,906 km (0.103 R)
• M2: 910,901 km (0.114 R)
• M3: 1,327,083 km (0.111 R)
• M4: 1,657,245 km (0.034 R)
• M5: 2,521,173 km (0.097 R)
• M6: 3,357,874 km (0.114 R)
• M7: 5,479,620 km (0.102 R)
• M8: 6,201,729 km (0.106 R)
• M9: 8,421,463 km (0.099 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.69 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 729.9

Radius: 14.7

Gravity: 3.38 G

Time & Orbit

Eccentricity (e): 0.075

Orbit Range: 1.56 AU - 1.82 AU

Year: 1441 Days

Day: 5.2 Hours

Environment

Temp: -173 °C

Axial Tilt: 28.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 43,860,607 km

• M1: 182,809 km (0.087 R)
• M2: 690,843 km (0.089 R)
• M3: 1,290,730 km (0.088 R)
• M4: 1,964,519 km (0.114 R)
• M5: 2,476,892 km (0.114 R)
• M6: 3,695,516 km (0.106 R)
• M7: 5,220,816 km (0.105 R)
• M8: 5,918,840 km (0.043 R)
• M9: 6,903,643 km (0.106 R)
• M10: 7,422,298 km (0.11 R)
• M11: 9,076,252 km (0.094 R)
• M12: 9,636,496 km (0.061 R)
• M13: 11,709,025 km (0.074 R)

Planet 4 - Gas Giant

Semi-Major Axis: 5.41 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 770.2

Radius: 12.7

Gravity: 4.78 G

Time & Orbit

Eccentricity (e): 0.047

Orbit Range: 5.16 AU - 5.66 AU

Year: 8255 Days

Day: 10.5 Hours

Environment

Temp: -225 °C

Axial Tilt: 4.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 43,860,607 km

• M1: 189,840 km (0.088 R)
• M2: 696,677 km (0.113 R)
• M3: 1,234,930 km (0.064 R)
• M4: 1,658,143 km (0.068 R)
• M5: 2,231,103 km (0.115 R)
• M6: 2,975,950 km (0.075 R)
• M7: 3,656,920 km (0.11 R)
• M8: 4,140,271 km (0.109 R)
• M9: 5,955,192 km (0.095 R)
• M10: 6,374,066 km (0.059 R)
• M11: 6,887,785 km (0.091 R)
• M12: 8,040,287 km (0.096 R)
• M13: 9,087,921 km (0.102 R)
• M14: 12,836,844 km (0.096 R)
• M15: 14,390,118 km (0.097 R)
• M16: 16,674,627 km (0.088 R)
• M17: 20,343,814 km (0.096 R)
• M18: 20,817,441 km (0.044 R)
• M19: 22,786,448 km (0.111 R)
• M20: 30,966,909 km (0.077 R)
• M21: 37,627,455 km (0.113 R)
• M22: 42,562,539 km (0.089 R)

Kuiper Belt

Range: 30 - 59 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 375 - 18,527 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit