🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.8 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.49

Radius: 1.44

Gravity: 1.2 G

Time & Orbit

Eccentricity (e): 0.135

Orbit Range: 0.69 AU - 0.91 AU

Year: 260 Days

Day: 23.1 Hours

Environment

Temp: 121 °C

Axial Tilt: 5.9 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.85 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.14

Radius: 1.58

Gravity: 1.26 G

Time & Orbit

Eccentricity (e): 0.1

Orbit Range: 0.77 AU - 0.94 AU

Year: 285 Days

Day: 23.5 Hours

Environment

Temp: 155 °C

Axial Tilt: 35 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 1.04 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.44

Radius: 1.82

Gravity: 1.34 G

Time & Orbit

Eccentricity (e): 0.142

Orbit Range: 0.89 AU - 1.19 AU

Year: 385 Days

Day: 36.1 Hours

Environment

Temp: 38 °C

Axial Tilt: 36.5 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 4 - Terrestrial

Semi-Major Axis: 1.1 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.39

Radius: 1.14

Gravity: 1.07 G

Time & Orbit

Eccentricity (e): 0.061

Orbit Range: 1.03 AU - 1.17 AU

Year: 419 Days

Day: 22.2 Hours

Environment

Temp: 17 °C

Axial Tilt: 16.9 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Satellites (1)

Outer Limit: 90,856,087 km

• M1: 46,974 km (0.099 R)

Planet 5 - Terrestrial

Semi-Major Axis: 1.57 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.47

Radius: 1.82

Gravity: 1.35 G

Time & Orbit

Eccentricity (e): 0.161

Orbit Range: 1.32 AU - 1.82 AU

Year: 715 Days

Day: 29.2 Hours

Environment

Temp: -35 °C

Axial Tilt: 7.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 90,856,087 km

• M1: 1,450,351 km (0.12 R)

Planet 6 - Terrestrial

Semi-Major Axis: 2.28 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.47

Radius: 1.82

Gravity: 1.35 G

Time & Orbit

Eccentricity (e): 0.024

Orbit Range: 2.23 AU - 2.33 AU

Year: 1251 Days

Day: 36.2 Hours

Environment

Temp: -73 °C

Axial Tilt: 21.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 7 - Terrestrial

Semi-Major Axis: 3.67 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.34

Radius: 1.62

Gravity: 1.27 G

Time & Orbit

Eccentricity (e): 0.071

Orbit Range: 3.41 AU - 3.93 AU

Year: 2555 Days

Day: 42.8 Hours

Environment

Temp: -114 °C

Axial Tilt: 38.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 4.76 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 8 - Gas Giant

Semi-Major Axis: 5.85 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 562.7

Radius: 12.2

Gravity: 3.78 G

Time & Orbit

Eccentricity (e): 0.198

Orbit Range: 4.69 AU - 7.01 AU

Year: 5142 Days

Day: 8.2 Hours

Environment

Temp: -156 °C

Axial Tilt: 47.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 90,856,087 km

• M1: 153,338 km (0.082 R)
• M2: 1,047,634 km (0.073 R)
• M3: 1,603,540 km (0.076 R)
• M4: 2,112,771 km (0.052 R)
• M5: 2,781,024 km (0.118 R)
• M6: 3,628,048 km (0.117 R)
• M7: 4,740,607 km (0.114 R)
• M8: 6,098,357 km (0.032 R)
• M9: 9,445,310 km (0.073 R)
• M10: 9,940,779 km (0.073 R)
• M11: 11,766,321 km (0.087 R)
• M12: 13,186,155 km (0.042 R)
• M13: 13,597,100 km (0.088 R)
• M14: 15,048,050 km (0.116 R)
• M15: 15,553,990 km (0.039 R)
• M16: 16,481,347 km (0.111 R)
• M17: 20,562,826 km (0.092 R)
• M18: 23,655,612 km (0.064 R)
• M19: 24,186,834 km (0.104 R)
• M20: 24,571,151 km (0.069 R)
• M21: 27,460,185 km (0.03 R)
• M22: 28,471,467 km (0.026 R)

Planet 9 - Ice Giant

Semi-Major Axis: 16.9 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 731.7

Radius: 7.8

Gravity: 12.03 G

Time & Orbit

Eccentricity (e): 0.214

Orbit Range: 13.28 AU - 20.52 AU

Year: 25250 Days

Day: 21.4 Hours

Environment

Temp: -205 °C

Axial Tilt: 1.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 90,856,087 km

• M1: 99,483 km (0.045 R)
• M2: 356,941 km (0.097 R)
• M3: 719,566 km (0.106 R)
• M4: 1,144,723 km (0.108 R)
• M5: 2,242,472 km (0.025 R)
• M6: 2,646,835 km (0.082 R)
• M7: 2,988,068 km (0.066 R)
• M8: 4,089,258 km (0.082 R)
• M9: 4,510,376 km (0.112 R)
• M10: 5,733,039 km (0.088 R)
• M11: 6,444,227 km (0.088 R)
• M12: 7,934,073 km (0.107 R)
• M13: 8,816,401 km (0.085 R)
• M14: 9,885,427 km (0.062 R)
• M15: 13,006,338 km (0.105 R)
• M16: 13,305,384 km (0.073 R)
• M17: 15,362,355 km (0.098 R)
• M18: 16,035,695 km (0.089 R)
• M19: 16,379,770 km (0.102 R)
• M20: 21,105,567 km (0.06 R)
• M21: 22,683,076 km (0.112 R)
• M22: 31,764,116 km (0.116 R)
• M23: 33,411,188 km (0.066 R)
• M24: 33,831,708 km (0.073 R)
• M25: 35,258,872 km (0.114 R)
• M26: 41,531,510 km (0.116 R)
• M27: 45,699,756 km (0.109 R)
• M28: 50,505,737 km (0.052 R)
• M29: 51,431,150 km (0.057 R)
• M30: 60,275,226 km (0.061 R)
• M31: 63,648,957 km (0.092 R)
• M32: 66,260,338 km (0.108 R)
• M33: 68,942,328 km (0.102 R)
• M34: 72,395,496 km (0.104 R)

Kuiper Belt

Range: 30.2 - 49.2 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 252 - 17,600 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit