🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.29 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.57 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 842

Radius: 9.1

Gravity: 10.17 G

Time & Orbit

Eccentricity (e): 0.184

Orbit Range: 0.47 AU - 0.67 AU

Year: 292 Days

Day: 9.4 Hours

Environment

Temp: -143 °C

Axial Tilt: 48.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 9,216,488 km

• M1: 113,246 km (0.039 R)
• M2: 496,515 km (0.074 R)
• M3: 785,538 km (0.114 R)
• M4: 1,074,861 km (0.115 R)
• M5: 1,455,288 km (0.088 R)
• M6: 2,039,767 km (0.116 R)
• M7: 2,538,227 km (0.115 R)
• M8: 3,211,717 km (0.069 R)
• M9: 3,567,610 km (0.118 R)
• M10: 4,049,465 km (0.104 R)
• M11: 4,782,494 km (0.056 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.63 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 338.5

Radius: 11

Gravity: 2.8 G

Time & Orbit

Eccentricity (e): 0.033

Orbit Range: 0.61 AU - 0.65 AU

Year: 339 Days

Day: 6.6 Hours

Environment

Temp: -150 °C

Axial Tilt: 5.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 9,216,488 km

• M1: 136,882 km (0.119 R)
• M2: 932,144 km (0.109 R)
• M3: 1,474,437 km (0.113 R)
• M4: 2,524,614 km (0.12 R)
• M5: 2,931,669 km (0.088 R)
• M6: 3,668,439 km (0.119 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.65 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 175.2

Radius: 13.6

Gravity: 0.95 G

Time & Orbit

Eccentricity (e): 0.042

Orbit Range: 0.62 AU - 0.68 AU

Year: 355 Days

Day: 8 Hours

Environment

Temp: -160 °C

Axial Tilt: 23.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 9,216,488 km

• M1: 169,644 km (0.097 R)
• M2: 597,793 km (0.092 R)
• M3: 1,103,284 km (0.08 R)
• M4: 1,742,815 km (0.105 R)
• M5: 2,195,498 km (0.082 R)
• M6: 2,793,890 km (0.102 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.77 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 274.8

Radius: 9.2

Gravity: 3.25 G

Time & Orbit

Eccentricity (e): 0.032

Orbit Range: 1.71 AU - 1.83 AU

Year: 1597 Days

Day: 13.4 Hours

Environment

Temp: -204 °C

Axial Tilt: 1.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 9,216,488 km

• M1: 114,442 km (0.082 R)
• M2: 661,522 km (0.117 R)
• M3: 1,288,636 km (0.09 R)
• M4: 2,496,788 km (0.03 R)
• M5: 2,889,034 km (0.116 R)
• M6: 3,209,922 km (0.107 R)
• M7: 4,251,272 km (0.106 R)
• M8: 4,614,646 km (0.114 R)
• M9: 6,149,520 km (0.079 R)
• M10: 7,056,831 km (0.1 R)
• M11: 9,363,331 km (0.069 R)
• M12: 9,830,974 km (0.11 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.1 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 114.3

Radius: 13.3

Gravity: 0.65 G

Time & Orbit

Eccentricity (e): 0.2

Orbit Range: 1.68 AU - 2.52 AU

Year: 2064 Days

Day: 6 Hours

Environment

Temp: -212 °C

Axial Tilt: 35 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 9,216,488 km

• M1: 165,455 km (0.109 R)
• M2: 662,120 km (0.12 R)
• M3: 1,310,477 km (0.059 R)
• M4: 3,011,405 km (0.105 R)
• M5: 3,672,029 km (0.104 R)
• M6: 4,170,041 km (0.061 R)
• M7: 4,594,151 km (0.109 R)
• M8: 5,303,394 km (0.077 R)
• M9: 5,982,868 km (0.039 R)
• M10: 6,741,628 km (0.078 R)
• M11: 7,540,032 km (0.106 R)

Kuiper Belt

Range: 30 - 50 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 543 - 17,420 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit