🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.9 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.58

Radius: 0.8

Gravity: 0.91 G

Time & Orbit

Eccentricity (e): 0.182

Orbit Range: 0.74 AU - 1.06 AU

Year: 297 Days

Day: 15 Hours

Environment

Temp: 177 °C

Axial Tilt: 48.9 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 85,325,466 km

• M1: 115,041 km (0.09 R)

Planet 2 - Terrestrial

Semi-Major Axis: 1.17 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.27

Radius: 1.61

Gravity: 1.26 G

Time & Orbit

Eccentricity (e): 0.232

Orbit Range: 0.9 AU - 1.44 AU

Year: 441 Days

Day: 41.5 Hours

Environment

Temp: 33 °C

Axial Tilt: 27.3 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 3 - Terrestrial

Semi-Major Axis: 1.52 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.75

Radius: 1.7

Gravity: 1.3 G

Time & Orbit

Eccentricity (e): 0.15

Orbit Range: 1.29 AU - 1.75 AU

Year: 653 Days

Day: 40.8 Hours

Environment

Temp: 6 °C

Axial Tilt: 29.3 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 4 - Terrestrial

Semi-Major Axis: 4.27 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.18

Radius: 1.77

Gravity: 1.33 G

Time & Orbit

Eccentricity (e): 0.223

Orbit Range: 3.32 AU - 5.22 AU

Year: 3073 Days

Day: 40.4 Hours

Environment

Temp: -117 °C

Axial Tilt: 45.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 85,325,466 km

• M1: 158,873 km (0.104 R)

Asteroid Belt

Center: 5.11 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 5 - Gas Giant

Semi-Major Axis: 5.94 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 203.9

Radius: 12.9

Gravity: 1.23 G

Time & Orbit

Eccentricity (e): 0.172

Orbit Range: 4.92 AU - 6.96 AU

Year: 5042 Days

Day: 12.6 Hours

Environment

Temp: -145 °C

Axial Tilt: 14.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 85,325,466 km

• M1: 161,267 km (0.032 R)
• M2: 621,130 km (0.109 R)
• M3: 1,060,200 km (0.096 R)
• M4: 1,704,369 km (0.118 R)
• M5: 2,555,730 km (0.053 R)
• M6: 2,988,517 km (0.096 R)
• M7: 3,598,876 km (0.09 R)
• M8: 4,044,229 km (0.108 R)
• M9: 5,213,635 km (0.093 R)
• M10: 6,346,091 km (0.106 R)
• M11: 6,883,297 km (0.109 R)
• M12: 7,543,024 km (0.058 R)
• M13: 8,747,735 km (0.104 R)
• M14: 9,486,450 km (0.065 R)
• M15: 10,381,195 km (0.118 R)
• M16: 11,785,919 km (0.113 R)
• M17: 12,555,899 km (0.112 R)
• M18: 17,733,481 km (0.099 R)
• M19: 18,347,132 km (0.11 R)
• M20: 19,381,751 km (0.098 R)

Planet 6 - Gas Giant

Semi-Major Axis: 7.37 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 225.6

Radius: 12.6

Gravity: 1.42 G

Time & Orbit

Eccentricity (e): 0.051

Orbit Range: 6.99 AU - 7.75 AU

Year: 6968 Days

Day: 6.2 Hours

Environment

Temp: -145 °C

Axial Tilt: 27.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 85,325,466 km

• M1: 156,779 km (0.062 R)
• M2: 988,244 km (0.08 R)
• M3: 1,714,392 km (0.093 R)
• M4: 3,751,017 km (0.104 R)
• M5: 4,796,108 km (0.091 R)
• M6: 5,307,284 km (0.06 R)
• M7: 6,260,372 km (0.118 R)
• M8: 7,591,194 km (0.04 R)
• M9: 10,424,728 km (0.106 R)
• M10: 11,022,670 km (0.052 R)
• M11: 21,091,505 km (0.045 R)
• M12: 24,346,904 km (0.084 R)
• M13: 24,945,445 km (0.095 R)
• M14: 25,400,671 km (0.104 R)

Planet 7 - Ice Giant

Semi-Major Axis: 15.87 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 88

Radius: 6.1

Gravity: 2.36 G

Time & Orbit

Eccentricity (e): 0.135

Orbit Range: 13.73 AU - 18.01 AU

Year: 22017 Days

Day: 15 Hours

Environment

Temp: -188 °C

Axial Tilt: 34.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 85,325,466 km

• M1: 77,043 km (0.051 R)
• M2: 402,717 km (0.082 R)
• M3: 729,738 km (0.077 R)
• M4: 1,201,271 km (0.05 R)
• M5: 1,797,718 km (0.073 R)
• M6: 2,030,193 km (0.088 R)
• M7: 9,907,717 km (0.117 R)
• M8: 17,799,454 km (0.078 R)
• M9: 28,781,733 km (0.115 R)
• M10: 37,480,251 km (0.07 R)
• M11: 38,884,227 km (0.118 R)

Planet 8 - Ice Giant

Semi-Major Axis: 16.72 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 681.6

Radius: 4.2

Gravity: 38.64 G

Time & Orbit

Eccentricity (e): 0.019

Orbit Range: 16.4 AU - 17.04 AU

Year: 23809 Days

Day: 18.5 Hours

Environment

Temp: -193 °C

Axial Tilt: 18.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 85,325,466 km

• M1: 67,169 km (0.116 R)
• M2: 301,589 km (0.115 R)
• M3: 549,473 km (0.077 R)
• M4: 734,376 km (0.111 R)
• M5: 911,649 km (0.112 R)
• M6: 1,787,246 km (0.045 R)
• M7: 2,667,031 km (0.12 R)
• M8: 3,033,845 km (0.109 R)
• M9: 3,771,362 km (0.086 R)
• M10: 5,801,256 km (0.115 R)
• M11: 6,146,977 km (0.086 R)
• M12: 7,415,716 km (0.095 R)
• M13: 9,840,847 km (0.027 R)
• M14: 11,699,750 km (0.107 R)
• M15: 15,269,604 km (0.058 R)
• M16: 19,123,395 km (0.07 R)
• M17: 20,473,665 km (0.099 R)
• M18: 21,374,544 km (0.099 R)
• M19: 21,783,245 km (0.049 R)
• M20: 22,616,356 km (0.11 R)
• M21: 28,309,602 km (0.104 R)
• M22: 29,552,311 km (0.117 R)
• M23: 32,279,780 km (0.057 R)
• M24: 34,747,247 km (0.089 R)
• M25: 36,170,970 km (0.115 R)
• M26: 36,605,552 km (0.051 R)
• M27: 45,369,893 km (0.059 R)
• M28: 47,934,449 km (0.112 R)
• M29: 48,634,268 km (0.111 R)
• M30: 60,981,478 km (0.099 R)
• M31: 61,596,774 km (0.097 R)
• M32: 68,421,279 km (0.102 R)
• M33: 74,323,813 km (0.12 R)
• M34: 74,557,335 km (0.028 R)
• M35: 84,560,346 km (0.096 R)

Kuiper Belt

Range: 31.5 - 55.5 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 514 - 13,939 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit