🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.57 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.67

Radius: 1.23

Gravity: 1.1 G

Time & Orbit

Eccentricity (e): 0.06

Orbit Range: 0.54 AU - 0.6 AU

Year: 179 Days

Day: 15.9 Hours

Environment

Temp: 71 °C

Axial Tilt: 3 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 1.02 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.3

Radius: 1.79

Gravity: 1.34 G

Time & Orbit

Eccentricity (e): 0.069

Orbit Range: 0.95 AU - 1.09 AU

Year: 429 Days

Day: 16.2 Hours

Environment

Temp: -46 °C

Axial Tilt: 39.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Terrestrial

Semi-Major Axis: 1.82 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4

Radius: 1.74

Gravity: 1.32 G

Time & Orbit

Eccentricity (e): 0.041

Orbit Range: 1.75 AU - 1.89 AU

Year: 1022 Days

Day: 21.3 Hours

Environment

Temp: -101 °C

Axial Tilt: 13 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 2.46 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 4 - Gas Giant

Semi-Major Axis: 3.09 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 362.3

Radius: 8.5

Gravity: 5.01 G

Time & Orbit

Eccentricity (e): 0.016

Orbit Range: 3.04 AU - 3.14 AU

Year: 2261 Days

Day: 13.1 Hours

Environment

Temp: -146 °C

Axial Tilt: 0.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 78,645,601 km

• M1: 106,813 km (0.118 R)
• M2: 628,311 km (0.116 R)
• M3: 1,061,397 km (0.117 R)
• M4: 1,912,310 km (0.055 R)
• M5: 2,764,269 km (0.097 R)
• M6: 3,221,291 km (0.076 R)
• M7: 3,525,723 km (0.106 R)
• M8: 3,796,944 km (0.113 R)
• M9: 4,063,826 km (0.043 R)
• M10: 4,595,946 km (0.116 R)
• M11: 5,706,860 km (0.101 R)
• M12: 7,527,615 km (0.113 R)
• M13: 8,968,991 km (0.085 R)
• M14: 10,037,868 km (0.119 R)
• M15: 12,543,781 km (0.079 R)

Planet 5 - Gas Giant

Semi-Major Axis: 7.12 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 142.1

Radius: 11.3

Gravity: 1.11 G

Time & Orbit

Eccentricity (e): 0.037

Orbit Range: 6.86 AU - 7.38 AU

Year: 7908 Days

Day: 7.4 Hours

Environment

Temp: -187 °C

Axial Tilt: 20.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 78,645,601 km

• M1: 140,472 km (0.083 R)
• M2: 535,860 km (0.096 R)
• M3: 945,907 km (0.074 R)
• M4: 1,323,343 km (0.076 R)
• M5: 1,731,296 km (0.072 R)
• M6: 2,488,710 km (0.118 R)
• M7: 3,102,061 km (0.09 R)
• M8: 3,532,604 km (0.093 R)
• M9: 3,897,174 km (0.114 R)
• M10: 6,919,799 km (0.088 R)
• M11: 7,527,017 km (0.098 R)
• M12: 8,065,569 km (0.057 R)
• M13: 9,525,345 km (0.077 R)
• M14: 10,814,430 km (0.048 R)
• M15: 11,326,653 km (0.099 R)
• M16: 12,445,944 km (0.085 R)
• M17: 13,834,961 km (0.085 R)
• M18: 14,490,199 km (0.062 R)
• M19: 17,785,840 km (0.089 R)
• M20: 18,864,740 km (0.12 R)
• M21: 22,915,701 km (0.096 R)
• M22: 23,548,350 km (0.118 R)

Planet 6 - Gas Giant

Semi-Major Axis: 8.35 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 652.3

Radius: 11.4

Gravity: 5.02 G

Time & Orbit

Eccentricity (e): 0.162

Orbit Range: 7 AU - 9.7 AU

Year: 10043 Days

Day: 11.7 Hours

Environment

Temp: -189 °C

Axial Tilt: 29.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 78,645,601 km

• M1: 141,819 km (0.072 R)
• M2: 572,212 km (0.093 R)
• M3: 1,187,957 km (0.109 R)
• M4: 1,546,543 km (0.071 R)
• M5: 2,770,104 km (0.111 R)
• M6: 3,969,729 km (0.094 R)
• M7: 4,913,243 km (0.045 R)
• M8: 5,826,089 km (0.071 R)
• M9: 8,072,600 km (0.118 R)
• M10: 9,630,064 km (0.088 R)
• M11: 10,687,272 km (0.096 R)
• M12: 11,820,027 km (0.116 R)
• M13: 16,107,801 km (0.05 R)
• M14: 17,376,989 km (0.063 R)
• M15: 18,635,856 km (0.116 R)
• M16: 19,638,760 km (0.12 R)
• M17: 22,690,257 km (0.056 R)
• M18: 24,647,446 km (0.117 R)
• M19: 29,820,241 km (0.041 R)
• M20: 32,494,004 km (0.079 R)
• M21: 34,286,785 km (0.104 R)
• M22: 40,568,549 km (0.117 R)
• M23: 41,081,370 km (0.11 R)
• M24: 45,340,721 km (0.07 R)

Planet 7 - Ice Giant

Semi-Major Axis: 12.09 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 988.2

Radius: 3.4

Gravity: 85.48 G

Time & Orbit

Eccentricity (e): 0.047

Orbit Range: 11.52 AU - 12.66 AU

Year: 17498 Days

Day: 18.7 Hours

Environment

Temp: -204 °C

Axial Tilt: 24.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 78,645,601 km

• M1: 42,635 km (0.092 R)
• M2: 174,730 km (0.075 R)
• M3: 307,573 km (0.092 R)
• M4: 463,604 km (0.111 R)
• M5: 867,817 km (0.096 R)
• M6: 1,198,279 km (0.047 R)
• M7: 1,455,886 km (0.112 R)
• M8: 2,207,317 km (0.096 R)
• M9: 2,666,582 km (0.038 R)
• M10: 5,072,864 km (0.086 R)
• M11: 5,341,691 km (0.095 R)
• M12: 7,015,691 km (0.115 R)
• M13: 7,300,974 km (0.106 R)
• M14: 8,360,427 km (0.069 R)
• M15: 9,750,191 km (0.08 R)
• M16: 12,350,800 km (0.088 R)
• M17: 12,488,430 km (0.072 R)
• M18: 13,335,005 km (0.091 R)
• M19: 13,698,976 km (0.097 R)
• M20: 15,698,202 km (0.083 R)
• M21: 21,430,045 km (0.113 R)
• M22: 22,232,039 km (0.101 R)
• M23: 28,653,378 km (0.074 R)
• M24: 29,380,872 km (0.069 R)
• M25: 30,998,923 km (0.109 R)
• M26: 31,380,547 km (0.119 R)
• M27: 33,070,554 km (0.066 R)
• M28: 35,094,912 km (0.086 R)
• M29: 38,356,894 km (0.059 R)
• M30: 39,091,868 km (0.028 R)
• M31: 40,741,634 km (0.062 R)
• M32: 42,437,176 km (0.057 R)
• M33: 46,298,746 km (0.093 R)
• M34: 54,158,020 km (0.088 R)
• M35: 61,449,569 km (0.097 R)
• M36: 67,647,858 km (0.11 R)

Kuiper Belt

Range: 30 - 60 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 531 - 16,987 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit