🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.5 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 247.8

Radius: 14.9

Gravity: 1.12 G

Time & Orbit

Eccentricity (e): 0.072

Orbit Range: 0.93 AU - 1.07 AU

Year: 678 Days

Day: 7.6 Hours

Environment

Temp: -167 °C

Axial Tilt: 13.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 28,112,455 km

• M1: 185,651 km (0.062 R)
• M2: 659,727 km (0.101 R)
• M3: 1,208,302 km (0.083 R)
• M4: 2,236,339 km (0.113 R)
• M5: 3,030,404 km (0.099 R)
• M6: 3,643,905 km (0.095 R)
• M7: 4,191,134 km (0.096 R)
• M8: 4,734,773 km (0.076 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.53 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 382.2

Radius: 12.4

Gravity: 2.49 G

Time & Orbit

Eccentricity (e): 0.16

Orbit Range: 1.29 AU - 1.77 AU

Year: 1284 Days

Day: 7.5 Hours

Environment

Temp: -189 °C

Axial Tilt: 44.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 28,112,455 km

• M1: 154,235 km (0.111 R)
• M2: 701,016 km (0.109 R)
• M3: 1,122,882 km (0.05 R)
• M4: 1,659,788 km (0.115 R)
• M5: 2,236,787 km (0.093 R)
• M6: 3,346,056 km (0.118 R)
• M7: 3,844,516 km (0.075 R)
• M8: 4,545,980 km (0.117 R)
• M9: 5,311,921 km (0.105 R)
• M10: 6,355,516 km (0.094 R)
• M11: 7,242,332 km (0.077 R)
• M12: 8,235,812 km (0.108 R)
• M13: 9,835,013 km (0.109 R)

Planet 3 - Gas Giant

Semi-Major Axis: 3.04 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 462.4

Radius: 10.2

Gravity: 4.44 G

Time & Orbit

Eccentricity (e): 0.136

Orbit Range: 2.63 AU - 3.45 AU

Year: 3595 Days

Day: 14.7 Hours

Environment

Temp: -220 °C

Axial Tilt: 9.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 28,112,455 km

• M1: 126,859 km (0.06 R)
• M2: 566,378 km (0.107 R)
• M3: 914,193 km (0.118 R)
• M4: 1,268,141 km (0.112 R)
• M5: 2,237,835 km (0.092 R)
• M6: 2,597,767 km (0.119 R)
• M7: 3,454,364 km (0.116 R)
• M8: 4,102,572 km (0.025 R)
• M9: 4,578,293 km (0.117 R)
• M10: 5,310,874 km (0.098 R)
• M11: 6,010,992 km (0.055 R)
• M12: 6,482,674 km (0.079 R)
• M13: 6,889,431 km (0.111 R)
• M14: 8,014,407 km (0.114 R)
• M15: 8,347,561 km (0.036 R)
• M16: 8,724,847 km (0.115 R)
• M17: 11,068,746 km (0.1 R)
• M18: 13,150,550 km (0.057 R)
• M19: 14,675,701 km (0.108 R)
• M20: 16,156,720 km (0.056 R)
• M21: 20,199,452 km (0.093 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.37 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 784.9

Radius: 12.7

Gravity: 4.87 G

Time & Orbit

Eccentricity (e): 0.02

Orbit Range: 3.3 AU - 3.44 AU

Year: 4196 Days

Day: 13.8 Hours

Environment

Temp: -207 °C

Axial Tilt: 2.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 28,112,455 km

• M1: 159,322 km (0.096 R)
• M2: 825,780 km (0.114 R)
• M3: 2,001,171 km (0.074 R)
• M4: 3,487,126 km (0.118 R)
• M5: 4,733,127 km (0.091 R)
• M6: 5,444,615 km (0.11 R)
• M7: 6,226,413 km (0.111 R)
• M8: 6,692,111 km (0.093 R)
• M9: 7,315,635 km (0.081 R)
• M10: 8,013,509 km (0.116 R)
• M11: 15,627,592 km (0.101 R)
• M12: 20,809,662 km (0.095 R)
• M13: 24,049,802 km (0.099 R)
• M14: 25,513,767 km (0.082 R)
• M15: 26,388,017 km (0.053 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: 151 - 19,357 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit