🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.52 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.99

Radius: 1

Gravity: 0.99 G

Time & Orbit

Eccentricity (e): 0.236

Orbit Range: 0.4 AU - 0.64 AU

Year: 158 Days

Day: 19.4 Hours

Environment

Temp: 127 °C

Axial Tilt: 2.3 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.68 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.79

Radius: 1.26

Gravity: 1.13 G

Time & Orbit

Eccentricity (e): 0.186

Orbit Range: 0.55 AU - 0.81 AU

Year: 236 Days

Day: 12.9 Hours

Environment

Temp: -0 °C

Axial Tilt: 37.9 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (2)

Outer Limit: 27,420,033 km

• M1: 346,469 km (0.096 R)
• M2: 384,915 km (0.111 R)

Planet 3 - Terrestrial

Semi-Major Axis: 0.69 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.14

Radius: 1.05

Gravity: 1.03 G

Time & Orbit

Eccentricity (e): 0.233

Orbit Range: 0.53 AU - 0.85 AU

Year: 242 Days

Day: 45.1 Hours

Environment

Temp: 14 °C

Axial Tilt: 31.5 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 4 - Terrestrial

Semi-Major Axis: 1.36 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.49

Radius: 0.75

Gravity: 0.87 G

Time & Orbit

Eccentricity (e): 0.108

Orbit Range: 1.21 AU - 1.51 AU

Year: 669 Days

Day: 30.7 Hours

Environment

Temp: -87 °C

Axial Tilt: 3.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 27,420,033 km

• M1: 127,757 km (0.045 R)

Asteroid Belt

Center: 2.71 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 5 - Gas Giant

Semi-Major Axis: 4.06 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 418.3

Radius: 12.3

Gravity: 2.76 G

Time & Orbit

Eccentricity (e): 0.133

Orbit Range: 3.52 AU - 4.6 AU

Year: 3450 Days

Day: 10.2 Hours

Environment

Temp: -152 °C

Axial Tilt: 33.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 27,420,033 km

• M1: 153,039 km (0.095 R)
• M2: 637,137 km (0.038 R)
• M3: 1,294,620 km (0.107 R)
• M4: 1,742,366 km (0.115 R)
• M5: 2,136,108 km (0.083 R)
• M6: 2,740,184 km (0.093 R)
• M7: 3,278,886 km (0.077 R)
• M8: 3,966,438 km (0.104 R)
• M9: 4,376,935 km (0.098 R)
• M10: 5,990,946 km (0.1 R)
• M11: 6,589,786 km (0.098 R)
• M12: 8,662,614 km (0.086 R)
• M13: 9,322,341 km (0.117 R)
• M14: 10,279,019 km (0.099 R)
• M15: 11,340,566 km (0.1 R)
• M16: 11,835,286 km (0.082 R)
• M17: 12,735,716 km (0.115 R)
• M18: 14,006,699 km (0.057 R)
• M19: 15,560,871 km (0.06 R)
• M20: 16,172,427 km (0.05 R)
• M21: 18,837,214 km (0.101 R)
• M22: 19,767,414 km (0.068 R)

Planet 6 - Gas Giant

Semi-Major Axis: 6.12 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 314.5

Radius: 14.3

Gravity: 1.54 G

Time & Orbit

Eccentricity (e): 0.2

Orbit Range: 4.9 AU - 7.34 AU

Year: 6385 Days

Day: 6.8 Hours

Environment

Temp: -178 °C

Axial Tilt: 31.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 27,420,033 km

• M1: 177,872 km (0.077 R)
• M2: 763,099 km (0.117 R)
• M3: 1,355,955 km (0.079 R)
• M4: 2,404,786 km (0.029 R)
• M5: 2,899,207 km (0.116 R)
• M6: 3,562,673 km (0.101 R)
• M7: 5,411,105 km (0.106 R)
• M8: 6,121,246 km (0.057 R)
• M9: 6,670,419 km (0.09 R)
• M10: 7,219,294 km (0.068 R)
• M11: 8,045,523 km (0.053 R)
• M12: 8,933,985 km (0.091 R)
• M13: 9,402,226 km (0.074 R)
• M14: 10,994,696 km (0.101 R)
• M15: 11,578,875 km (0.112 R)
• M16: 13,609,367 km (0.112 R)
• M17: 16,094,786 km (0.098 R)
• M18: 17,931,998 km (0.097 R)
• M19: 24,734,662 km (0.078 R)
• M20: 26,133,252 km (0.088 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: 360 - 16,372 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit