🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.58 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.82

Radius: 1.51

Gravity: 1.24 G

Time & Orbit

Eccentricity (e): 0.201

Orbit Range: 0.46 AU - 0.7 AU

Year: 167 Days

Day: 39.1 Hours

Environment

Temp: 128 °C

Axial Tilt: 4.8 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.95 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.85

Radius: 1.88

Gravity: 1.37 G

Time & Orbit

Eccentricity (e): 0.22

Orbit Range: 0.74 AU - 1.16 AU

Year: 351 Days

Day: 28.4 Hours

Environment

Temp: 13 °C

Axial Tilt: 34.3 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 3 - Terrestrial

Semi-Major Axis: 1.16 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.14

Radius: 0.46

Gravity: 0.66 G

Time & Orbit

Eccentricity (e): 0.112

Orbit Range: 1.03 AU - 1.29 AU

Year: 473 Days

Day: 13.5 Hours

Environment

Temp: 1 °C

Axial Tilt: 11.8 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (1)

Outer Limit: 12,190,398 km

• M1: 12,267 km (0.115 R)

Planet 4 - Terrestrial

Semi-Major Axis: 1.19 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.97

Radius: 1.74

Gravity: 1.31 G

Time & Orbit

Eccentricity (e): 0.119

Orbit Range: 1.05 AU - 1.33 AU

Year: 492 Days

Day: 47.2 Hours

Environment

Temp: -11 °C

Axial Tilt: 24.5 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 5 - Terrestrial

Semi-Major Axis: 2.05 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.25

Radius: 0.57

Gravity: 0.77 G

Time & Orbit

Eccentricity (e): 0.231

Orbit Range: 1.58 AU - 2.52 AU

Year: 1112 Days

Day: 30.3 Hours

Environment

Temp: -89 °C

Axial Tilt: 18.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 3.32 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 6 - Gas Giant

Semi-Major Axis: 4.58 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 417.7

Radius: 9.1

Gravity: 5.04 G

Time & Orbit

Eccentricity (e): 0.02

Orbit Range: 4.49 AU - 4.67 AU

Year: 3712 Days

Day: 5.3 Hours

Environment

Temp: -139 °C

Axial Tilt: 18.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 12,190,398 km

• M1: 113,096 km (0.1 R)
• M2: 416,480 km (0.12 R)
• M3: 863,629 km (0.059 R)
• M4: 1,214,436 km (0.07 R)
• M5: 1,584,241 km (0.082 R)
• M6: 1,965,716 km (0.119 R)
• M7: 2,437,099 km (0.085 R)
• M8: 2,739,137 km (0.103 R)
• M9: 4,021,191 km (0.045 R)
• M10: 4,336,842 km (0.042 R)
• M11: 5,664,673 km (0.073 R)
• M12: 6,737,290 km (0.03 R)
• M13: 7,183,989 km (0.11 R)
• M14: 8,038,043 km (0.12 R)
• M15: 8,472,625 km (0.119 R)
• M16: 9,758,419 km (0.109 R)
• M17: 10,925,581 km (0.111 R)
• M18: 12,892,195 km (0.103 R)
• M19: 14,343,743 km (0.077 R)
• M20: 14,983,872 km (0.106 R)
• M21: 18,073,667 km (0.105 R)
• M22: 20,375,080 km (0.082 R)
• M23: 20,932,781 km (0.073 R)

Planet 7 - Gas Giant

Semi-Major Axis: 6.94 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 23.5

Radius: 13.9

Gravity: 0.12 G

Time & Orbit

Eccentricity (e): 0.25

Orbit Range: 5.21 AU - 8.68 AU

Year: 6924 Days

Day: 10.9 Hours

Environment

Temp: -157 °C

Axial Tilt: 17.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 12,190,398 km

• M1: 184,155 km (0.109 R)
• M2: 624,721 km (0.085 R)
• M3: 1,412,653 km (0.057 R)
• M4: 1,872,367 km (0.09 R)
• M5: 2,421,990 km (0.081 R)
• M6: 4,474,024 km (0.072 R)
• M7: 5,102,185 km (0.051 R)
• M8: 5,986,159 km (0.104 R)

Kuiper Belt

Range: 30 - 52 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 508 - 14,790 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit