🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.66 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.39

Radius: 0.69

Gravity: 0.82 G

Time & Orbit

Eccentricity (e): 0.03

Orbit Range: 0.64 AU - 0.68 AU

Year: 187 Days

Day: 40.6 Hours

Environment

Temp: 163 °C

Axial Tilt: 16.1 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 1.23 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.16

Radius: 1.06

Gravity: 1.03 G

Time & Orbit

Eccentricity (e): 0.07

Orbit Range: 1.14 AU - 1.32 AU

Year: 475 Days

Day: 29.4 Hours

Environment

Temp: 37 °C

Axial Tilt: 15.9 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 3 - Terrestrial

Semi-Major Axis: 1.41 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.67

Radius: 1.85

Gravity: 1.36 G

Time & Orbit

Eccentricity (e): 0.147

Orbit Range: 1.2 AU - 1.62 AU

Year: 583 Days

Day: 16.7 Hours

Environment

Temp: 15 °C

Axial Tilt: 25.5 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 4 - Terrestrial

Semi-Major Axis: 4.62 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.13

Radius: 1.58

Gravity: 1.25 G

Time & Orbit

Eccentricity (e): 0.138

Orbit Range: 3.98 AU - 5.26 AU

Year: 3458 Days

Day: 42.4 Hours

Environment

Temp: -130 °C

Axial Tilt: 20.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 8.42 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 5 - Gas Giant

Semi-Major Axis: 12.21 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 171.3

Radius: 13.8

Gravity: 0.9 G

Time & Orbit

Eccentricity (e): 0.192

Orbit Range: 9.87 AU - 14.55 AU

Year: 14858 Days

Day: 11.9 Hours

Environment

Temp: -178 °C

Axial Tilt: 22.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 36,917,379 km

• M1: 194,028 km (0.09 R)
• M2: 1,953,000 km (0.116 R)
• M3: 3,644,952 km (0.069 R)
• M4: 5,836,711 km (0.061 R)
• M5: 7,308,155 km (0.089 R)
• M6: 7,849,849 km (0.071 R)
• M7: 8,670,393 km (0.117 R)
• M8: 10,195,992 km (0.085 R)
• M9: 13,032,817 km (0.074 R)
• M10: 14,967,716 km (0.041 R)
• M11: 15,464,381 km (0.071 R)
• M12: 17,425,609 km (0.077 R)
• M13: 19,182,486 km (0.079 R)
• M14: 30,956,587 km (0.085 R)
• M15: 34,917,639 km (0.103 R)
• M16: 38,853,858 km (0.045 R)

Planet 6 - Ice Giant

Semi-Major Axis: 15.11 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 74.8

Radius: 3.3

Gravity: 6.87 G

Time & Orbit

Eccentricity (e): 0.072

Orbit Range: 14.02 AU - 16.2 AU

Year: 20455 Days

Day: 19.7 Hours

Environment

Temp: -182 °C

Axial Tilt: 42.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 36,917,379 km

• M1: 40,990 km (0.084 R)
• M2: 310,266 km (0.059 R)
• M3: 727,345 km (0.07 R)
• M4: 2,161,839 km (0.082 R)
• M5: 2,582,658 km (0.096 R)
• M6: 3,097,424 km (0.044 R)
• M7: 3,379,117 km (0.066 R)
• M8: 3,514,652 km (0.064 R)
• M9: 6,656,956 km (0.077 R)
• M10: 7,015,093 km (0.094 R)
• M11: 9,350,017 km (0.05 R)
• M12: 12,581,480 km (0.092 R)
• M13: 16,165,097 km (0.112 R)
• M14: 17,947,705 km (0.117 R)
• M15: 25,171,188 km (0.073 R)
• M16: 28,105,700 km (0.096 R)
• M17: 28,290,603 km (0.09 R)
• M18: 29,037,994 km (0.116 R)
• M19: 36,806,911 km (0.082 R)

Kuiper Belt

Range: 31.5 - 49.5 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 164 - 17,892 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit