🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.75 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.88

Radius: 1.29

Gravity: 1.13 G

Time & Orbit

Eccentricity (e): 0.129

Orbit Range: 0.65 AU - 0.85 AU

Year: 245 Days

Day: 46.7 Hours

Environment

Temp: 129 °C

Axial Tilt: 25 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 1.01 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.75

Radius: 1.5

Gravity: 1.22 G

Time & Orbit

Eccentricity (e): 0.18

Orbit Range: 0.83 AU - 1.19 AU

Year: 382 Days

Day: 38.6 Hours

Environment

Temp: 25 °C

Axial Tilt: 1.9 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (1)

Outer Limit: 44,083,483 km

• M1: 35,155 km (0.065 R)

Planet 3 - Terrestrial

Semi-Major Axis: 1.62 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.1

Radius: 1.76

Gravity: 1.32 G

Time & Orbit

Eccentricity (e): 0.031

Orbit Range: 1.57 AU - 1.67 AU

Year: 777 Days

Day: 35 Hours

Environment

Temp: -61 °C

Axial Tilt: 13.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Terrestrial

Semi-Major Axis: 1.67 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.32

Radius: 1.4

Gravity: 1.18 G

Time & Orbit

Eccentricity (e): 0.223

Orbit Range: 1.3 AU - 2.04 AU

Year: 813 Days

Day: 35.1 Hours

Environment

Temp: -65 °C

Axial Tilt: 37.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 3.56 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 5 - Gas Giant

Semi-Major Axis: 5.45 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 567.7

Radius: 13.5

Gravity: 3.11 G

Time & Orbit

Eccentricity (e): 0.064

Orbit Range: 5.1 AU - 5.8 AU

Year: 4793 Days

Day: 10.8 Hours

Environment

Temp: -151 °C

Axial Tilt: 27.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 44,083,483 km

• M1: 168,597 km (0.109 R)
• M2: 713,432 km (0.116 R)
• M3: 1,342,940 km (0.073 R)
• M4: 2,959,345 km (0.107 R)
• M5: 4,248,280 km (0.052 R)
• M6: 5,683,074 km (0.04 R)
• M7: 6,450,361 km (0.087 R)
• M8: 7,386,395 km (0.104 R)
• M9: 8,155,478 km (0.08 R)
• M10: 8,597,090 km (0.102 R)
• M11: 11,592,339 km (0.095 R)
• M12: 14,043,351 km (0.115 R)
• M13: 14,679,590 km (0.078 R)
• M14: 15,445,980 km (0.04 R)
• M15: 17,178,473 km (0.09 R)
• M16: 18,403,231 km (0.101 R)
• M17: 24,039,480 km (0.075 R)

Planet 6 - Gas Giant

Semi-Major Axis: 7.58 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 862.1

Radius: 10.2

Gravity: 8.29 G

Time & Orbit

Eccentricity (e): 0.068

Orbit Range: 7.06 AU - 8.1 AU

Year: 7862 Days

Day: 10.9 Hours

Environment

Temp: -168 °C

Axial Tilt: 10 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 44,083,483 km

• M1: 134,638 km (0.115 R)
• M2: 563,685 km (0.091 R)
• M3: 1,155,195 km (0.115 R)
• M4: 1,779,467 km (0.102 R)
• M5: 2,596,421 km (0.077 R)
• M6: 4,575,002 km (0.101 R)
• M7: 7,560,527 km (0.059 R)
• M8: 8,483,396 km (0.074 R)
• M9: 17,723,309 km (0.111 R)
• M10: 18,156,694 km (0.09 R)
• M11: 19,346,745 km (0.069 R)
• M12: 20,429,983 km (0.103 R)
• M13: 22,213,339 km (0.098 R)
• M14: 23,228,660 km (0.094 R)
• M15: 23,573,782 km (0.104 R)
• M16: 24,989,128 km (0.102 R)
• M17: 26,460,273 km (0.097 R)
• M18: 27,217,089 km (0.055 R)
• M19: 29,172,333 km (0.111 R)
• M20: 29,878,285 km (0.042 R)
• M21: 43,951,705 km (0.059 R)

Kuiper Belt

Range: 30 - 51 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 525 - 15,298 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit