🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.66 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.87

Radius: 0.95

Gravity: 0.96 G

Time & Orbit

Eccentricity (e): 0.189

Orbit Range: 0.54 AU - 0.78 AU

Year: 232 Days

Day: 13.9 Hours

Environment

Temp: 15 °C

Axial Tilt: 22.4 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Satellites (1)

Outer Limit: 37,013,459 km

• M1: 83,176 km (0.071 R)

Planet 2 - Terrestrial

Semi-Major Axis: 1 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.58

Radius: 1.46

Gravity: 1.21 G

Time & Orbit

Eccentricity (e): 0.089

Orbit Range: 0.91 AU - 1.09 AU

Year: 433 Days

Day: 37.5 Hours

Environment

Temp: -50 °C

Axial Tilt: 0.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Terrestrial

Semi-Major Axis: 1.06 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.85

Radius: 1.52

Gravity: 1.23 G

Time & Orbit

Eccentricity (e): 0.086

Orbit Range: 0.97 AU - 1.15 AU

Year: 473 Days

Day: 42.2 Hours

Environment

Temp: -68 °C

Axial Tilt: 27.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 37,013,459 km

• M1: 46,226 km (0.099 R)

Planet 4 - Terrestrial

Semi-Major Axis: 1.21 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.36

Radius: 1.41

Gravity: 1.19 G

Time & Orbit

Eccentricity (e): 0.087

Orbit Range: 1.1 AU - 1.32 AU

Year: 577 Days

Day: 28.1 Hours

Environment

Temp: -74 °C

Axial Tilt: 32 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 1.69 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 5 - Terrestrial

Semi-Major Axis: 2.16 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.83

Radius: 1.88

Gravity: 1.37 G

Time & Orbit

Eccentricity (e): 0.144

Orbit Range: 1.85 AU - 2.47 AU

Year: 1376 Days

Day: 18.9 Hours

Environment

Temp: -132 °C

Axial Tilt: 37.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 6 - Gas Giant

Semi-Major Axis: 8.66 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 597.2

Radius: 9.8

Gravity: 6.22 G

Time & Orbit

Eccentricity (e): 0.129

Orbit Range: 7.54 AU - 9.78 AU

Year: 11047 Days

Day: 9.8 Hours

Environment

Temp: -195 °C

Axial Tilt: 39.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 37,013,459 km

• M1: 161,117 km (0.103 R)
• M2: 796,609 km (0.037 R)
• M3: 1,439,730 km (0.045 R)
• M4: 2,842,808 km (0.084 R)
• M5: 5,287,238 km (0.077 R)
• M6: 8,198,562 km (0.061 R)
• M7: 13,158,778 km (0.117 R)
• M8: 13,775,570 km (0.059 R)
• M9: 14,154,951 km (0.115 R)
• M10: 17,963,563 km (0.07 R)
• M11: 18,569,284 km (0.072 R)
• M12: 23,374,518 km (0.113 R)
• M13: 28,743,585 km (0.062 R)
• M14: 29,259,548 km (0.117 R)
• M15: 48,786,708 km (0.07 R)

Planet 7 - Ice Giant

Semi-Major Axis: 11.19 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 119.8

Radius: 7.6

Gravity: 2.07 G

Time & Orbit

Eccentricity (e): 0.125

Orbit Range: 9.79 AU - 12.59 AU

Year: 16226 Days

Day: 16.7 Hours

Environment

Temp: -212 °C

Axial Tilt: 15.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 37,013,459 km

• M1: 99,483 km (0.063 R)
• M2: 735,872 km (0.085 R)
• M3: 1,215,782 km (0.066 R)
• M4: 1,520,064 km (0.096 R)
• M5: 3,175,514 km (0.059 R)
• M6: 4,385,013 km (0.054 R)
• M7: 4,626,763 km (0.066 R)
• M8: 5,225,902 km (0.102 R)
• M9: 7,600,021 km (0.111 R)
• M10: 8,978,715 km (0.054 R)
• M11: 11,000,679 km (0.1 R)
• M12: 14,163,478 km (0.087 R)
• M13: 14,575,021 km (0.09 R)

Kuiper Belt

Range: 30 - 50 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 466 - 16,627 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit