🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.5 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.18

Radius: 1.77

Gravity: 1.33 G

Time & Orbit

Eccentricity (e): 0.138

Orbit Range: 0.43 AU - 0.57 AU

Year: 154 Days

Day: 17.9 Hours

Environment

Temp: 84 °C

Axial Tilt: 5.4 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.59 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.13

Radius: 1.76

Gravity: 1.33 G

Time & Orbit

Eccentricity (e): 0.008

Orbit Range: 0.59 AU - 0.59 AU

Year: 198 Days

Day: 34.9 Hours

Environment

Temp: 7 °C

Axial Tilt: 33.1 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 3 - Terrestrial

Semi-Major Axis: 0.6 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.46

Radius: 0.73

Gravity: 0.86 G

Time & Orbit

Eccentricity (e): 0.078

Orbit Range: 0.55 AU - 0.65 AU

Year: 203 Days

Day: 36.6 Hours

Environment

Temp: 25 °C

Axial Tilt: 39.3 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Satellites (1)

Outer Limit: 87,022,440 km

• M1: 22,140 km (0.106 R)

Planet 4 - Terrestrial

Semi-Major Axis: 0.83 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.31

Radius: 1.11

Gravity: 1.06 G

Time & Orbit

Eccentricity (e): 0.078

Orbit Range: 0.77 AU - 0.89 AU

Year: 330 Days

Day: 34.9 Hours

Environment

Temp: -31 °C

Axial Tilt: 35.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 87,022,440 km

• M1: 54,005 km (0.101 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.12 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 633.1

Radius: 10

Gravity: 6.33 G

Time & Orbit

Eccentricity (e): 0.144

Orbit Range: 2.67 AU - 3.57 AU

Year: 2406 Days

Day: 5.2 Hours

Environment

Temp: -157 °C

Axial Tilt: 9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 87,022,440 km

• M1: 124,914 km (0.097 R)
• M2: 446,998 km (0.118 R)
• M3: 880,234 km (0.085 R)
• M4: 2,273,588 km (0.112 R)
• M5: 2,917,458 km (0.086 R)
• M6: 3,642,110 km (0.077 R)
• M7: 3,960,005 km (0.094 R)
• M8: 4,782,345 km (0.074 R)
• M9: 6,409,371 km (0.081 R)
• M10: 7,481,539 km (0.086 R)
• M11: 8,249,425 km (0.082 R)
• M12: 8,636,285 km (0.111 R)
• M13: 9,834,265 km (0.105 R)
• M14: 10,269,445 km (0.083 R)
• M15: 11,493,305 km (0.098 R)
• M16: 14,045,894 km (0.047 R)
• M17: 16,749,127 km (0.059 R)
• M18: 18,061,101 km (0.11 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.57 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 710.3

Radius: 12.4

Gravity: 4.62 G

Time & Orbit

Eccentricity (e): 0.135

Orbit Range: 3.09 AU - 4.05 AU

Year: 2945 Days

Day: 11.3 Hours

Environment

Temp: -164 °C

Axial Tilt: 32.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 87,022,440 km

• M1: 155,432 km (0.075 R)
• M2: 559,945 km (0.086 R)
• M3: 1,132,456 km (0.096 R)
• M4: 2,032,885 km (0.113 R)
• M5: 2,453,555 km (0.105 R)
• M6: 3,169,231 km (0.054 R)
• M7: 4,378,879 km (0.093 R)
• M8: 6,367,484 km (0.069 R)
• M9: 6,946,876 km (0.116 R)
• M10: 13,063,185 km (0.081 R)
• M11: 13,714,834 km (0.084 R)
• M12: 15,800,228 km (0.069 R)
• M13: 18,089,075 km (0.115 R)
• M14: 18,840,356 km (0.059 R)
• M15: 19,732,857 km (0.111 R)
• M16: 21,346,270 km (0.117 R)

Planet 7 - Gas Giant

Semi-Major Axis: 8.19 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 389.1

Radius: 14.5

Gravity: 1.85 G

Time & Orbit

Eccentricity (e): 0.166

Orbit Range: 6.83 AU - 9.55 AU

Year: 10232 Days

Day: 12.1 Hours

Environment

Temp: -182 °C

Axial Tilt: 33 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 87,022,440 km

• M1: 180,714 km (0.079 R)
• M2: 655,987 km (0.069 R)
• M3: 1,221,018 km (0.078 R)
• M4: 2,052,632 km (0.115 R)
• M5: 5,597,952 km (0.11 R)
• M6: 6,966,623 km (0.067 R)
• M7: 7,572,794 km (0.103 R)
• M8: 10,798,722 km (0.025 R)
• M9: 12,088,106 km (0.105 R)
• M10: 13,709,897 km (0.074 R)
• M11: 14,603,595 km (0.062 R)
• M12: 15,726,925 km (0.089 R)
• M13: 16,244,384 km (0.102 R)
• M14: 18,145,773 km (0.111 R)
• M15: 22,468,254 km (0.11 R)
• M16: 26,423,322 km (0.028 R)
• M17: 27,713,754 km (0.072 R)
• M18: 33,298,242 km (0.071 R)
• M19: 39,117,150 km (0.111 R)

Asteroid Belt

Center: 10.72 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 8 - Ice Giant

Semi-Major Axis: 13.25 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 924.6

Radius: 7.6

Gravity: 16.01 G

Time & Orbit

Eccentricity (e): 0.223

Orbit Range: 10.3 AU - 16.2 AU

Year: 21055 Days

Day: 15 Hours

Environment

Temp: -203 °C

Axial Tilt: 15.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 87,022,440 km

• M1: 94,695 km (0.109 R)
• M2: 411,993 km (0.095 R)
• M3: 876,793 km (0.085 R)
• M4: 1,222,663 km (0.105 R)
• M5: 1,587,383 km (0.089 R)
• M6: 2,023,311 km (0.114 R)
• M7: 2,371,874 km (0.042 R)
• M8: 5,657,941 km (0.084 R)
• M9: 8,068,711 km (0.098 R)
• M10: 12,458,810 km (0.1 R)
• M11: 15,442,390 km (0.107 R)
• M12: 16,880,325 km (0.118 R)
• M13: 18,405,475 km (0.108 R)
• M14: 18,964,971 km (0.118 R)
• M15: 19,249,057 km (0.079 R)
• M16: 19,728,668 km (0.104 R)
• M17: 22,352,166 km (0.1 R)
• M18: 24,410,483 km (0.107 R)
• M19: 35,034,924 km (0.109 R)
• M20: 35,750,002 km (0.071 R)
• M21: 39,780,019 km (0.064 R)
• M22: 46,120,724 km (0.034 R)
• M23: 59,131,700 km (0.108 R)
• M24: 64,955,096 km (0.073 R)
• M25: 76,523,051 km (0.051 R)
• M26: 77,484,516 km (0.099 R)
• M27: 79,431,233 km (0.11 R)
• M28: 79,676,873 km (0.059 R)
• M29: 80,912,701 km (0.12 R)
• M30: 83,676,073 km (0.108 R)

Kuiper Belt

Range: 30 - 52 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 178 - 15,524 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit