🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 1.4 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.44

Radius: 0.72

Gravity: 0.85 G

Time & Orbit

Eccentricity (e): 0.05

Orbit Range: 1.33 AU - 1.47 AU

Year: 580 Days

Day: 20.4 Hours

Environment

Temp: 10 °C

Axial Tilt: 127.9 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 2 - Terrestrial

Semi-Major Axis: 1.44 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.85

Radius: 0.94

Gravity: 0.96 G

Time & Orbit

Eccentricity (e): 0.098

Orbit Range: 1.3 AU - 1.58 AU

Year: 605 Days

Day: 30.8 Hours

Environment

Temp: -1 °C

Axial Tilt: 11.7 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 3 - Terrestrial

Semi-Major Axis: 1.8 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.98

Radius: 1.55

Gravity: 1.24 G

Time & Orbit

Eccentricity (e): 0.042

Orbit Range: 1.72 AU - 1.88 AU

Year: 845 Days

Day: 31.5 Hours

Environment

Temp: -44 °C

Axial Tilt: 38 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Terrestrial

Semi-Major Axis: 3.07 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.74

Radius: 1.25

Gravity: 1.11 G

Time & Orbit

Eccentricity (e): 0.213

Orbit Range: 2.42 AU - 3.72 AU

Year: 1882 Days

Day: 15.9 Hours

Environment

Temp: -96 °C

Axial Tilt: 39.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 64,879,291 km

• M1: 1,142,629 km (0.096 R)

Asteroid Belt

Center: 7.2 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 5 - Gas Giant

Semi-Major Axis: 11.33 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 549.9

Radius: 13.7

Gravity: 2.93 G

Time & Orbit

Eccentricity (e): 0.117

Orbit Range: 10 AU - 12.66 AU

Year: 13342 Days

Day: 8.8 Hours

Environment

Temp: -179 °C

Axial Tilt: 38.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 64,879,291 km

• M1: 170,990 km (0.088 R)
• M2: 690,394 km (0.116 R)
• M3: 1,697,337 km (0.075 R)
• M4: 4,214,920 km (0.096 R)
• M5: 5,829,679 km (0.072 R)
• M6: 6,580,062 km (0.065 R)
• M7: 7,781,632 km (0.068 R)
• M8: 9,075,804 km (0.114 R)
• M9: 15,997,547 km (0.114 R)
• M10: 16,502,740 km (0.114 R)
• M11: 17,850,616 km (0.079 R)
• M12: 19,514,444 km (0.107 R)
• M13: 27,110,575 km (0.073 R)
• M14: 28,455,609 km (0.114 R)
• M15: 30,390,807 km (0.109 R)
• M16: 37,349,203 km (0.03 R)
• M17: 38,111,404 km (0.051 R)
• M18: 49,442,096 km (0.068 R)
• M19: 49,900,165 km (0.089 R)
• M20: 53,506,970 km (0.09 R)

Planet 6 - Ice Giant

Semi-Major Axis: 15.5 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 372.7

Radius: 7.8

Gravity: 6.13 G

Time & Orbit

Eccentricity (e): 0.148

Orbit Range: 13.21 AU - 17.79 AU

Year: 21349 Days

Day: 20.6 Hours

Environment

Temp: -185 °C

Axial Tilt: 48.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 64,879,291 km

• M1: 125,513 km (0.079 R)
• M2: 895,493 km (0.103 R)
• M3: 1,863,690 km (0.118 R)
• M4: 2,199,986 km (0.107 R)
• M5: 2,446,374 km (0.043 R)
• M6: 3,405,147 km (0.104 R)
• M7: 4,896,638 km (0.113 R)
• M8: 7,039,777 km (0.084 R)
• M9: 8,098,032 km (0.084 R)
• M10: 10,411,713 km (0.11 R)
• M11: 11,111,980 km (0.06 R)
• M12: 13,881,186 km (0.105 R)
• M13: 17,805,887 km (0.094 R)
• M14: 25,091,901 km (0.104 R)
• M15: 30,368,966 km (0.091 R)
• M16: 35,037,467 km (0.112 R)
• M17: 40,022,068 km (0.086 R)
• M18: 51,203,013 km (0.115 R)
• M19: 64,298,062 km (0.071 R)

Kuiper Belt

Range: 31.4 - 61.4 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 273 - 16,287 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit