🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.65 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.28

Radius: 1.1

Gravity: 1.06 G

Time & Orbit

Eccentricity (e): 0.154

Orbit Range: 0.55 AU - 0.75 AU

Year: 202 Days

Day: 20.6 Hours

Environment

Temp: 149 °C

Axial Tilt: 19.1 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 32,922,036 km

• M1: 193,879 km (0.097 R)

Planet 2 - Terrestrial

Semi-Major Axis: 0.93 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.98

Radius: 1.31

Gravity: 1.15 G

Time & Orbit

Eccentricity (e): 0.063

Orbit Range: 0.87 AU - 0.99 AU

Year: 345 Days

Day: 31.5 Hours

Environment

Temp: 19 °C

Axial Tilt: 22.3 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 3 - Terrestrial

Semi-Major Axis: 1.3 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.06

Radius: 1.56

Gravity: 1.26 G

Time & Orbit

Eccentricity (e): 0.051

Orbit Range: 1.23 AU - 1.37 AU

Year: 571 Days

Day: 32.9 Hours

Environment

Temp: -38 °C

Axial Tilt: 22.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 32,922,036 km

• M1: 1,116,599 km (0.114 R)

Planet 4 - Terrestrial

Semi-Major Axis: 1.49 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.02

Radius: 1.01

Gravity: 1 G

Time & Orbit

Eccentricity (e): 0.147

Orbit Range: 1.27 AU - 1.71 AU

Year: 700 Days

Day: 47.9 Hours

Environment

Temp: -57 °C

Axial Tilt: 5.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 3.01 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 5 - Gas Giant

Semi-Major Axis: 4.52 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 503.8

Radius: 10.2

Gravity: 4.84 G

Time & Orbit

Eccentricity (e): 0.092

Orbit Range: 4.1 AU - 4.94 AU

Year: 3700 Days

Day: 7.4 Hours

Environment

Temp: -140 °C

Axial Tilt: 14.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 32,922,036 km

• M1: 126,859 km (0.091 R)
• M2: 539,450 km (0.077 R)
• M3: 1,441,974 km (0.097 R)
• M4: 4,520,249 km (0.087 R)
• M5: 5,184,165 km (0.114 R)
• M6: 6,300,464 km (0.113 R)
• M7: 7,410,331 km (0.11 R)
• M8: 8,265,133 km (0.047 R)
• M9: 13,839,299 km (0.073 R)
• M10: 15,443,138 km (0.106 R)
• M11: 18,249,893 km (0.026 R)
• M12: 19,256,537 km (0.08 R)
• M13: 20,299,683 km (0.116 R)
• M14: 20,994,565 km (0.088 R)
• M15: 21,444,855 km (0.042 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.54 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 82.7

Radius: 9.6

Gravity: 0.9 G

Time & Orbit

Eccentricity (e): 0.078

Orbit Range: 5.11 AU - 5.97 AU

Year: 5020 Days

Day: 13.1 Hours

Environment

Temp: -150 °C

Axial Tilt: 33.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 32,922,036 km

• M1: 119,379 km (0.118 R)
• M2: 434,881 km (0.115 R)
• M3: 812,017 km (0.092 R)
• M4: 1,291,478 km (0.09 R)
• M5: 1,650,813 km (0.106 R)
• M6: 2,754,396 km (0.12 R)
• M7: 3,091,440 km (0.101 R)
• M8: 3,572,547 km (0.115 R)
• M9: 4,329,362 km (0.104 R)
• M10: 4,705,302 km (0.056 R)
• M11: 5,432,647 km (0.108 R)
• M12: 6,817,773 km (0.12 R)
• M13: 7,300,526 km (0.099 R)
• M14: 8,215,017 km (0.088 R)
• M15: 8,607,562 km (0.057 R)
• M16: 8,981,108 km (0.036 R)
• M17: 9,397,888 km (0.073 R)
• M18: 9,861,192 km (0.061 R)
• M19: 10,305,049 km (0.109 R)
• M20: 12,410,191 km (0.105 R)

Planet 7 - Gas Giant

Semi-Major Axis: 6.52 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 202.6

Radius: 8.1

Gravity: 3.09 G

Time & Orbit

Eccentricity (e): 0.23

Orbit Range: 5.02 AU - 8.02 AU

Year: 6410 Days

Day: 8.8 Hours

Environment

Temp: -158 °C

Axial Tilt: 23.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 32,922,036 km

• M1: 101,876 km (0.099 R)
• M2: 457,021 km (0.116 R)
• M3: 739,013 km (0.104 R)
• M4: 1,071,570 km (0.069 R)
• M5: 1,357,451 km (0.099 R)
• M6: 1,877,453 km (0.1 R)
• M7: 2,477,640 km (0.101 R)
• M8: 2,968,022 km (0.067 R)
• M9: 3,541,281 km (0.105 R)
• M10: 4,595,048 km (0.096 R)
• M11: 7,766,074 km (0.073 R)
• M12: 8,279,195 km (0.114 R)
• M13: 9,564,540 km (0.071 R)
• M14: 10,114,162 km (0.098 R)
• M15: 10,726,167 km (0.091 R)
• M16: 16,211,323 km (0.08 R)
• M17: 22,900,741 km (0.091 R)
• M18: 23,670,721 km (0.093 R)

Planet 8 - Gas Giant

Semi-Major Axis: 7.71 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 326.7

Radius: 8

Gravity: 5.1 G

Time & Orbit

Eccentricity (e): 0.055

Orbit Range: 7.29 AU - 8.13 AU

Year: 8242 Days

Day: 8.2 Hours

Environment

Temp: -162 °C

Axial Tilt: 11.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 32,922,036 km

• M1: 99,782 km (0.085 R)
• M2: 373,995 km (0.119 R)
• M3: 717,172 km (0.057 R)
• M4: 994,527 km (0.031 R)
• M5: 1,643,632 km (0.045 R)
• M6: 2,200,136 km (0.087 R)
• M7: 2,690,966 km (0.116 R)
• M8: 3,232,212 km (0.08 R)
• M9: 5,988,104 km (0.114 R)
• M10: 7,296,038 km (0.102 R)
• M11: 10,015,577 km (0.099 R)
• M12: 10,374,463 km (0.05 R)
• M13: 11,165,686 km (0.114 R)
• M14: 12,763,391 km (0.098 R)
• M15: 14,621,845 km (0.065 R)
• M16: 15,437,154 km (0.096 R)
• M17: 17,998,868 km (0.074 R)
• M18: 19,071,185 km (0.082 R)
• M19: 19,414,961 km (0.031 R)
• M20: 19,902,950 km (0.106 R)
• M21: 22,087,976 km (0.089 R)
• M22: 24,670,933 km (0.115 R)
• M23: 30,709,002 km (0.054 R)

Kuiper Belt

Range: 30 - 48 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 208 - 16,743 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit