🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.9 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.15

Radius: 0.47

Gravity: 0.68 G

Time & Orbit

Eccentricity (e): 0.173

Orbit Range: 0.74 AU - 1.06 AU

Year: 315 Days

Day: 22.9 Hours

Environment

Temp: 91 °C

Axial Tilt: 25.6 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (2)

Outer Limit: 38,543,020 km

• M1: 269,426 km (0.1 R)
• M2: 285,732 km (0.119 R)

Planet 2 - Terrestrial

Semi-Major Axis: 1.01 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.93

Radius: 1.54

Gravity: 1.24 G

Time & Orbit

Eccentricity (e): 0.125

Orbit Range: 0.88 AU - 1.14 AU

Year: 375 Days

Day: 17.6 Hours

Environment

Temp: 29 °C

Axial Tilt: 37.4 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (1)

Outer Limit: 38,543,020 km

• M1: 151,991 km (0.078 R)

Planet 3 - Terrestrial

Semi-Major Axis: 1.41 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.69

Radius: 1.69

Gravity: 1.29 G

Time & Orbit

Eccentricity (e): 0.206

Orbit Range: 1.12 AU - 1.7 AU

Year: 618 Days

Day: 25.2 Hours

Environment

Temp: -28 °C

Axial Tilt: 28.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 4.11 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 4 - Gas Giant

Semi-Major Axis: 6.81 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 35.9

Radius: 12.5

Gravity: 0.23 G

Time & Orbit

Eccentricity (e): 0.238

Orbit Range: 5.19 AU - 8.43 AU

Year: 6557 Days

Day: 13.4 Hours

Environment

Temp: -149 °C

Axial Tilt: 160 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 38,543,020 km

• M1: 162,014 km (0.08 R)
• M2: 986,448 km (0.109 R)
• M3: 1,466,658 km (0.113 R)
• M4: 2,480,632 km (0.088 R)
• M5: 3,223,086 km (0.102 R)
• M6: 3,830,753 km (0.057 R)
• M7: 4,289,719 km (0.061 R)
• M8: 6,076,666 km (0.099 R)
• M9: 8,201,404 km (0.105 R)
• M10: 12,032,905 km (0.096 R)

Planet 5 - Gas Giant

Semi-Major Axis: 7.55 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 607.9

Radius: 14.5

Gravity: 2.89 G

Time & Orbit

Eccentricity (e): 0.215

Orbit Range: 5.93 AU - 9.17 AU

Year: 7654 Days

Day: 7.8 Hours

Environment

Temp: -164 °C

Axial Tilt: 16.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 38,543,020 km

• M1: 180,265 km (0.029 R)
• M2: 737,667 km (0.038 R)
• M3: 1,390,811 km (0.105 R)
• M4: 1,925,773 km (0.087 R)
• M5: 2,691,266 km (0.025 R)
• M6: 3,166,987 km (0.062 R)
• M7: 3,746,529 km (0.087 R)
• M8: 5,574,465 km (0.073 R)
• M9: 6,054,824 km (0.108 R)
• M10: 8,845,124 km (0.072 R)
• M11: 12,083,768 km (0.059 R)
• M12: 13,910,807 km (0.092 R)
• M13: 15,475,152 km (0.073 R)
• M14: 16,756,158 km (0.042 R)
• M15: 17,626,070 km (0.073 R)
• M16: 19,094,672 km (0.092 R)
• M17: 20,267,220 km (0.109 R)
• M18: 24,157,962 km (0.073 R)
• M19: 25,181,810 km (0.069 R)
• M20: 29,761,599 km (0.119 R)

Kuiper Belt

Range: 30 - 56 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 490 - 19,393 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit