🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.7 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.83

Radius: 0.93

Gravity: 0.96 G

Time & Orbit

Eccentricity (e): 0.108

Orbit Range: 0.62 AU - 0.78 AU

Year: 206 Days

Day: 25.2 Hours

Environment

Temp: 211 °C

Axial Tilt: 28.5 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 79,368,969 km

• M1: 365,617 km (0.064 R)

Planet 2 - Terrestrial

Semi-Major Axis: 0.79 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.3

Radius: 1.61

Gravity: 1.27 G

Time & Orbit

Eccentricity (e): 0.145

Orbit Range: 0.68 AU - 0.9 AU

Year: 247 Days

Day: 31.4 Hours

Environment

Temp: 141 °C

Axial Tilt: 15.3 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 1.16 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.66

Radius: 1.85

Gravity: 1.36 G

Time & Orbit

Eccentricity (e): 0.21

Orbit Range: 0.92 AU - 1.4 AU

Year: 439 Days

Day: 16.7 Hours

Environment

Temp: 34 °C

Axial Tilt: 39.7 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 4 - Terrestrial

Semi-Major Axis: 5.1 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.52

Radius: 1.83

Gravity: 1.35 G

Time & Orbit

Eccentricity (e): 0.176

Orbit Range: 4.2 AU - 6 AU

Year: 4048 Days

Day: 45.3 Hours

Environment

Temp: -124 °C

Axial Tilt: 31.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 5.35 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.08

Radius: 1.03

Gravity: 1.02 G

Time & Orbit

Eccentricity (e): 0.069

Orbit Range: 4.98 AU - 5.72 AU

Year: 4349 Days

Day: 31 Hours

Environment

Temp: -143 °C

Axial Tilt: 32.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 6 - Gas Giant

Semi-Major Axis: 10.13 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 178.8

Radius: 14.3

Gravity: 0.87 G

Time & Orbit

Eccentricity (e): 0.146

Orbit Range: 8.65 AU - 11.61 AU

Year: 11332 Days

Day: 9.4 Hours

Environment

Temp: -175 °C

Axial Tilt: 21.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 79,368,969 km

• M1: 180,116 km (0.076 R)
• M2: 1,659,489 km (0.085 R)
• M3: 2,684,384 km (0.07 R)
• M4: 3,529,163 km (0.105 R)
• M5: 4,218,959 km (0.106 R)
• M6: 6,774,091 km (0.082 R)
• M7: 10,962,981 km (0.104 R)
• M8: 13,435,385 km (0.075 R)
• M9: 17,518,509 km (0.095 R)
• M10: 23,920,550 km (0.119 R)
• M11: 28,037,633 km (0.084 R)
• M12: 29,204,496 km (0.055 R)
• M13: 30,590,969 km (0.083 R)

Planet 7 - Ice Giant

Semi-Major Axis: 18.39 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 404.8

Radius: 4.6

Gravity: 19.13 G

Time & Orbit

Eccentricity (e): 0.154

Orbit Range: 15.56 AU - 21.22 AU

Year: 27717 Days

Day: 15.4 Hours

Environment

Temp: -195 °C

Axial Tilt: 24.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 79,368,969 km

• M1: 58,792 km (0.114 R)
• M2: 227,538 km (0.038 R)
• M3: 474,973 km (0.065 R)
• M4: 710,889 km (0.115 R)
• M5: 984,952 km (0.1 R)
• M6: 2,559,919 km (0.108 R)
• M7: 7,381,309 km (0.089 R)
• M8: 7,676,914 km (0.099 R)
• M9: 8,773,766 km (0.065 R)
• M10: 10,702,232 km (0.112 R)
• M11: 13,836,905 km (0.098 R)
• M12: 14,822,606 km (0.1 R)
• M13: 16,346,111 km (0.107 R)
• M14: 26,682,426 km (0.054 R)
• M15: 27,730,209 km (0.111 R)
• M16: 32,588,699 km (0.103 R)
• M17: 48,936,605 km (0.087 R)
• M18: 53,007,911 km (0.101 R)
• M19: 68,057,158 km (0.077 R)
• M20: 69,136,506 km (0.11 R)
• M21: 73,116,558 km (0.096 R)

Kuiper Belt

Range: 31.2 - 54.2 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 309 - 16,709 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit