🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.8 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.22

Radius: 0.55

Gravity: 0.73 G

Time & Orbit

Eccentricity (e): 0.01

Orbit Range: 0.79 AU - 0.81 AU

Year: 270 Days

Day: 33.5 Hours

Environment

Temp: 114 °C

Axial Tilt: 5.2 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 1.2 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.13

Radius: 1.05

Gravity: 1.02 G

Time & Orbit

Eccentricity (e): 0.199

Orbit Range: 0.96 AU - 1.44 AU

Year: 495 Days

Day: 36.1 Hours

Environment

Temp: -12 °C

Axial Tilt: 14.8 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Asteroid Belt

Center: 2.91 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 3 - Gas Giant

Semi-Major Axis: 4.62 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 362

Radius: 11.9

Gravity: 2.56 G

Time & Orbit

Eccentricity (e): 0.047

Orbit Range: 4.4 AU - 4.84 AU

Year: 3741 Days

Day: 5.5 Hours

Environment

Temp: -149 °C

Axial Tilt: 38.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 27,242,773 km

• M1: 151,243 km (0.052 R)
• M2: 720,314 km (0.038 R)
• M3: 2,054,278 km (0.105 R)
• M4: 2,891,876 km (0.111 R)
• M5: 4,703,656 km (0.117 R)
• M6: 5,432,796 km (0.111 R)
• M7: 8,846,320 km (0.084 R)
• M8: 9,589,373 km (0.088 R)
• M9: 13,665,915 km (0.091 R)
• M10: 14,085,836 km (0.073 R)
• M11: 17,984,357 km (0.114 R)

Planet 4 - Gas Giant

Semi-Major Axis: 4.81 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 563.1

Radius: 11.5

Gravity: 4.26 G

Time & Orbit

Eccentricity (e): 0.107

Orbit Range: 4.3 AU - 5.32 AU

Year: 3974 Days

Day: 7.4 Hours

Environment

Temp: -140 °C

Axial Tilt: 20.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 27,242,773 km

• M1: 143,016 km (0.085 R)
• M2: 552,615 km (0.075 R)
• M3: 1,186,461 km (0.105 R)
• M4: 1,563,298 km (0.083 R)
• M5: 1,930,710 km (0.049 R)
• M6: 3,034,144 km (0.091 R)
• M7: 3,634,480 km (0.088 R)
• M8: 4,541,193 km (0.089 R)
• M9: 6,409,072 km (0.094 R)
• M10: 8,597,689 km (0.077 R)
• M11: 10,609,780 km (0.112 R)
• M12: 12,220,800 km (0.069 R)
• M13: 16,981,303 km (0.11 R)
• M14: 20,183,595 km (0.051 R)
• M15: 21,290,769 km (0.104 R)

Planet 5 - Gas Giant

Semi-Major Axis: 7.12 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 245.5

Radius: 8.5

Gravity: 3.4 G

Time & Orbit

Eccentricity (e): 0.063

Orbit Range: 6.67 AU - 7.57 AU

Year: 7157 Days

Day: 10.1 Hours

Environment

Temp: -154 °C

Axial Tilt: 17.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 27,242,773 km

• M1: 105,766 km (0.092 R)
• M2: 471,532 km (0.113 R)
• M3: 898,634 km (0.072 R)
• M4: 2,248,306 km (0.086 R)
• M5: 2,678,849 km (0.111 R)
• M6: 3,559,233 km (0.12 R)
• M7: 4,820,492 km (0.031 R)
• M8: 7,286,463 km (0.082 R)
• M9: 9,215,678 km (0.111 R)
• M10: 9,736,577 km (0.097 R)
• M11: 15,122,998 km (0.083 R)
• M12: 18,347,880 km (0.035 R)
• M13: 22,789,440 km (0.107 R)

Kuiper Belt

Range: 30 - 53 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 394 - 15,409 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit