🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.31 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.61 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.66

Radius: 1.22

Gravity: 1.12 G

Time & Orbit

Eccentricity (e): 0.062

Orbit Range: 0.57 AU - 0.65 AU

Year: 313 Days

Day: 43.2 Hours

Environment

Temp: -128 °C

Axial Tilt: 49 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 14,618,397 km

• M1: 58,642 km (0.055 R)

Planet 2 - Terrestrial

Semi-Major Axis: 0.62 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.8

Radius: 0.91

Gravity: 0.97 G

Time & Orbit

Eccentricity (e): 0.225

Orbit Range: 0.48 AU - 0.76 AU

Year: 320 Days

Day: 42.8 Hours

Environment

Temp: -124 °C

Axial Tilt: 6.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Gas Giant

Semi-Major Axis: 0.78 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 227.8

Radius: 12.5

Gravity: 1.46 G

Time & Orbit

Eccentricity (e): 0.05

Orbit Range: 0.74 AU - 0.82 AU

Year: 452 Days

Day: 11.2 Hours

Environment

Temp: -140 °C

Axial Tilt: 35 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 14,618,397 km

• M1: 155,432 km (0.037 R)
• M2: 769,831 km (0.118 R)
• M3: 1,264,700 km (0.088 R)
• M4: 1,993,541 km (0.098 R)
• M5: 2,526,409 km (0.053 R)
• M6: 2,920,749 km (0.119 R)

Planet 4 - Gas Giant

Semi-Major Axis: 0.87 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 414.3

Radius: 9.3

Gravity: 4.79 G

Time & Orbit

Eccentricity (e): 0.218

Orbit Range: 0.68 AU - 1.06 AU

Year: 532 Days

Day: 6.5 Hours

Environment

Temp: -151 °C

Axial Tilt: 13.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 14,618,397 km

• M1: 115,639 km (0.073 R)
• M2: 478,115 km (0.082 R)
• M3: 943,065 km (0.048 R)
• M4: 1,534,575 km (0.096 R)
• M5: 2,102,000 km (0.07 R)
• M6: 3,855,287 km (0.101 R)
• M7: 4,172,285 km (0.052 R)
• M8: 4,463,851 km (0.114 R)
• M9: 5,719,426 km (0.115 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.53 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 20.1

Radius: 12.2

Gravity: 0.14 G

Time & Orbit

Eccentricity (e): 0.145

Orbit Range: 1.31 AU - 1.75 AU

Year: 1241 Days

Day: 8.6 Hours

Environment

Temp: -186 °C

Axial Tilt: 26.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (3)

Outer Limit: 14,618,397 km

• M1: 151,692 km (0.112 R)
• M2: 1,046,437 km (0.077 R)
• M3: 2,783,867 km (0.065 R)

Planet 6 - Gas Giant

Semi-Major Axis: 1.8 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 774.2

Radius: 9.2

Gravity: 9.15 G

Time & Orbit

Eccentricity (e): 0.185

Orbit Range: 1.47 AU - 2.13 AU

Year: 1584 Days

Day: 12.9 Hours

Environment

Temp: -178 °C

Axial Tilt: 4.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 14,618,397 km

• M1: 114,742 km (0.104 R)
• M2: 443,109 km (0.111 R)
• M3: 791,074 km (0.118 R)
• M4: 1,375,403 km (0.116 R)
• M5: 1,884,185 km (0.087 R)
• M6: 2,237,236 km (0.111 R)
• M7: 2,688,872 km (0.091 R)
• M8: 3,326,309 km (0.082 R)
• M9: 3,638,519 km (0.11 R)
• M10: 4,284,184 km (0.117 R)
• M11: 4,634,841 km (0.087 R)
• M12: 5,505,501 km (0.101 R)
• M13: 6,456,195 km (0.115 R)
• M14: 7,292,597 km (0.056 R)
• M15: 8,347,860 km (0.117 R)
• M16: 12,315,645 km (0.114 R)
• M17: 12,866,614 km (0.048 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: 409 - 18,231 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit