🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 1.35 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.94

Radius: 0.98

Gravity: 0.98 G

Time & Orbit

Eccentricity (e): 0.202

Orbit Range: 1.08 AU - 1.62 AU

Year: 556 Days

Day: 15.8 Hours

Environment

Temp: -2 °C

Axial Tilt: 4.5 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 2 - Terrestrial

Semi-Major Axis: 1.47 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.69

Radius: 0.86

Gravity: 0.93 G

Time & Orbit

Eccentricity (e): 0.129

Orbit Range: 1.28 AU - 1.66 AU

Year: 632 Days

Day: 29 Hours

Environment

Temp: -4 °C

Axial Tilt: 37.2 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (2)

Outer Limit: 56,676,328 km

• M1: 129,402 km (0.087 R)
• M2: 436,975 km (0.113 R)

Planet 3 - Terrestrial

Semi-Major Axis: 1.63 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.29

Radius: 0.61

Gravity: 0.78 G

Time & Orbit

Eccentricity (e): 0.198

Orbit Range: 1.31 AU - 1.95 AU

Year: 738 Days

Day: 17.4 Hours

Environment

Temp: -29 °C

Axial Tilt: 4.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 56,676,328 km

• M1: 96,341 km (0.114 R)

Planet 4 - Terrestrial

Semi-Major Axis: 2.67 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.25

Radius: 1.6

Gravity: 1.27 G

Time & Orbit

Eccentricity (e): 0.162

Orbit Range: 2.24 AU - 3.1 AU

Year: 1548 Days

Day: 22.1 Hours

Environment

Temp: -92 °C

Axial Tilt: 23.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 3.32 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.19

Radius: 1.07

Gravity: 1.04 G

Time & Orbit

Eccentricity (e): 0.22

Orbit Range: 2.59 AU - 4.05 AU

Year: 2146 Days

Day: 43.9 Hours

Environment

Temp: -112 °C

Axial Tilt: 8.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 6 - Terrestrial

Semi-Major Axis: 4.27 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.37

Radius: 1.13

Gravity: 1.07 G

Time & Orbit

Eccentricity (e): 0.204

Orbit Range: 3.4 AU - 5.14 AU

Year: 3130 Days

Day: 24.4 Hours

Environment

Temp: -127 °C

Axial Tilt: 18.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 7 - Terrestrial

Semi-Major Axis: 4.85 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.4

Radius: 0.69

Gravity: 0.84 G

Time & Orbit

Eccentricity (e): 0.165

Orbit Range: 4.05 AU - 5.65 AU

Year: 3789 Days

Day: 39.1 Hours

Environment

Temp: -124 °C

Axial Tilt: 35.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 6.3 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 8 - Gas Giant

Semi-Major Axis: 7.75 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 941

Radius: 9.8

Gravity: 9.8 G

Time & Orbit

Eccentricity (e): 0.063

Orbit Range: 7.26 AU - 8.24 AU

Year: 7654 Days

Day: 7.1 Hours

Environment

Temp: -167 °C

Axial Tilt: 23.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 56,676,328 km

• M1: 123,568 km (0.09 R)
• M2: 461,809 km (0.118 R)
• M3: 859,141 km (0.118 R)
• M4: 1,459,327 km (0.101 R)
• M5: 2,429,320 km (0.086 R)
• M6: 2,759,482 km (0.027 R)
• M7: 3,163,995 km (0.084 R)
• M8: 3,608,001 km (0.052 R)
• M9: 4,797,454 km (0.052 R)
• M10: 6,019,968 km (0.098 R)
• M11: 6,779,028 km (0.11 R)
• M12: 7,682,150 km (0.102 R)
• M13: 8,269,770 km (0.089 R)
• M14: 8,932,638 km (0.07 R)
• M15: 11,452,914 km (0.076 R)
• M16: 12,559,489 km (0.055 R)
• M17: 13,256,765 km (0.06 R)
• M18: 14,665,079 km (0.101 R)
• M19: 16,374,385 km (0.047 R)
• M20: 18,212,793 km (0.082 R)
• M21: 22,547,391 km (0.099 R)
• M22: 23,403,240 km (0.059 R)
• M23: 23,927,132 km (0.107 R)
• M24: 28,799,684 km (0.119 R)
• M25: 31,361,698 km (0.06 R)
• M26: 33,407,897 km (0.053 R)
• M27: 33,738,957 km (0.109 R)
• M28: 37,645,107 km (0.1 R)
• M29: 38,606,124 km (0.031 R)

Planet 9 - Gas Giant

Semi-Major Axis: 7.95 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 287.4

Radius: 14.5

Gravity: 1.37 G

Time & Orbit

Eccentricity (e): 0.122

Orbit Range: 6.98 AU - 8.92 AU

Year: 7952 Days

Day: 11.6 Hours

Environment

Temp: -162 °C

Axial Tilt: 7.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 56,676,328 km

• M1: 180,415 km (0.106 R)
• M2: 737,368 km (0.115 R)
• M3: 1,744,012 km (0.094 R)
• M4: 4,485,692 km (0.053 R)
• M5: 5,082,737 km (0.064 R)
• M6: 7,620,067 km (0.106 R)
• M7: 9,893,506 km (0.066 R)
• M8: 11,561,671 km (0.113 R)
• M9: 17,187,150 km (0.105 R)
• M10: 30,525,745 km (0.063 R)

Planet 10 - Ice Giant

Semi-Major Axis: 13.99 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 328.6

Radius: 7.9

Gravity: 5.27 G

Time & Orbit

Eccentricity (e): 0.048

Orbit Range: 13.32 AU - 14.66 AU

Year: 18564 Days

Day: 20.2 Hours

Environment

Temp: -177 °C

Axial Tilt: 1.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 56,676,328 km

• M1: 98,286 km (0.118 R)
• M2: 417,378 km (0.04 R)
• M3: 920,177 km (0.077 R)
• M4: 1,816,567 km (0.083 R)
• M5: 5,151,552 km (0.084 R)
• M6: 6,592,928 km (0.068 R)
• M7: 8,713,627 km (0.072 R)
• M8: 9,409,108 km (0.048 R)
• M9: 10,087,534 km (0.075 R)
• M10: 16,811,809 km (0.053 R)
• M11: 17,576,104 km (0.095 R)
• M12: 20,177,462 km (0.071 R)
• M13: 21,128,006 km (0.112 R)
• M14: 22,655,251 km (0.075 R)
• M15: 24,158,560 km (0.068 R)
• M16: 31,407,923 km (0.08 R)
• M17: 31,983,426 km (0.06 R)
• M18: 47,542,503 km (0.118 R)
• M19: 52,377,057 km (0.099 R)

Kuiper Belt

Range: 30.9 - 58.9 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 509 - 17,328 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit