🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.85 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.01

Radius: 1.32

Gravity: 1.15 G

Time & Orbit

Eccentricity (e): 0.198

Orbit Range: 0.68 AU - 1.02 AU

Year: 283 Days

Day: 17.3 Hours

Environment

Temp: 156 °C

Axial Tilt: 102 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 99,782,013 km

• M1: 157,975 km (0.114 R)

Planet 2 - Terrestrial

Semi-Major Axis: 1.03 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.12

Radius: 0.43

Gravity: 0.65 G

Time & Orbit

Eccentricity (e): 0.129

Orbit Range: 0.9 AU - 1.16 AU

Year: 378 Days

Day: 38 Hours

Environment

Temp: 27 °C

Axial Tilt: 6.2 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 3 - Terrestrial

Semi-Major Axis: 1.29 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.46

Radius: 1.43

Gravity: 1.2 G

Time & Orbit

Eccentricity (e): 0.108

Orbit Range: 1.15 AU - 1.43 AU

Year: 530 Days

Day: 26 Hours

Environment

Temp: -4 °C

Axial Tilt: 3 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (1)

Outer Limit: 99,782,013 km

• M1: 638,035 km (0.07 R)

Planet 4 - Terrestrial

Semi-Major Axis: 1.94 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.27

Radius: 0.59

Gravity: 0.78 G

Time & Orbit

Eccentricity (e): 0.183

Orbit Range: 1.58 AU - 2.3 AU

Year: 977 Days

Day: 47.3 Hours

Environment

Temp: -58 °C

Axial Tilt: 45.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 2.52 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.55

Radius: 1.66

Gravity: 1.29 G

Time & Orbit

Eccentricity (e): 0.043

Orbit Range: 2.41 AU - 2.63 AU

Year: 1447 Days

Day: 30 Hours

Environment

Temp: -81 °C

Axial Tilt: 39.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 6 - Terrestrial

Semi-Major Axis: 3.47 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.57

Radius: 0.8

Gravity: 0.89 G

Time & Orbit

Eccentricity (e): 0.171

Orbit Range: 2.88 AU - 4.06 AU

Year: 2338 Days

Day: 34.1 Hours

Environment

Temp: -118 °C

Axial Tilt: 19.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 99,782,013 km

• M1: 629,508 km (0.118 R)

Asteroid Belt

Center: 4.96 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 7 - Gas Giant

Semi-Major Axis: 6.44 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 245.7

Radius: 11.6

Gravity: 1.83 G

Time & Orbit

Eccentricity (e): 0.045

Orbit Range: 6.15 AU - 6.73 AU

Year: 5910 Days

Day: 11.9 Hours

Environment

Temp: -143 °C

Axial Tilt: 35.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 99,782,013 km

• M1: 144,212 km (0.101 R)
• M2: 661,971 km (0.111 R)
• M3: 1,081,293 km (0.087 R)
• M4: 1,536,819 km (0.026 R)
• M5: 2,619,608 km (0.102 R)
• M6: 3,535,446 km (0.078 R)
• M7: 4,067,716 km (0.086 R)
• M8: 5,090,666 km (0.118 R)
• M9: 6,021,015 km (0.114 R)
• M10: 6,998,488 km (0.034 R)
• M11: 7,379,214 km (0.096 R)
• M12: 7,840,873 km (0.105 R)
• M13: 9,267,289 km (0.098 R)
• M14: 13,678,182 km (0.107 R)
• M15: 16,006,823 km (0.118 R)
• M16: 16,895,135 km (0.118 R)
• M17: 17,698,924 km (0.102 R)
• M18: 18,408,168 km (0.114 R)
• M19: 18,830,632 km (0.119 R)

Planet 8 - Ice Giant

Semi-Major Axis: 17.04 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 954.9

Radius: 4.2

Gravity: 54.13 G

Time & Orbit

Eccentricity (e): 0.239

Orbit Range: 12.97 AU - 21.11 AU

Year: 25439 Days

Day: 20.2 Hours

Environment

Temp: -187 °C

Axial Tilt: 19.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 99,782,013 km

• M1: 52,210 km (0.092 R)
• M2: 237,861 km (0.103 R)
• M3: 402,418 km (0.054 R)
• M4: 624,272 km (0.1 R)
• M5: 1,203,365 km (0.085 R)
• M6: 2,638,607 km (0.026 R)
• M7: 2,799,126 km (0.034 R)
• M8: 3,701,799 km (0.11 R)
• M9: 8,605,618 km (0.06 R)
• M10: 13,281,449 km (0.112 R)
• M11: 13,437,778 km (0.032 R)
• M12: 19,310,093 km (0.118 R)
• M13: 26,689,008 km (0.051 R)
• M14: 29,646,109 km (0.097 R)
• M15: 31,827,396 km (0.069 R)
• M16: 32,957,009 km (0.102 R)
• M17: 41,124,006 km (0.117 R)
• M18: 47,561,501 km (0.111 R)
• M19: 72,755,279 km (0.113 R)
• M20: 78,983,637 km (0.063 R)

Kuiper Belt

Range: 30.3 - 53.3 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 299 - 17,696 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit